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. Assembly ® Operation . Msintenance . RepaPirarts I : RRFTSIVinoN 33 CHAIN SAW OR CHAIN SAW MODEL NO , S . 917.353730 917.353731 | IMPORTANT : I I MODEL NOS . AND INSTRUCTIONS 917.353770 917.353771 _ CAREFULLY Sears , Roebuck and Co _ , Chicago , Illo 60684 , U , S . A _
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ENJOY USING YOUR MODEL ; NUMBER _ NEW CRAFTSMAN 3.7 SERIAL CHAIN SAW TO MAKE . . . NUMBEL THE MODEL AND SERIAL NUMBERS WILL BE FOUND ON THE MODEL PLATE LOCATED BELOW " ON - OFF " SWITCH 4 ; LOG DISCS . . . YOU SHOULD RECORD BOTH MODEL for paths , pat os steps . Simplest of all AND SERIAL NUMBERS AND KEEP Chmn Saw prolects . . Cut 4 thtck slices IN A SAFE PLACE FOR FUTURE REF - ' from a log at least 10 ! ' in diame _ ter . Treat ERENCE . with wood preservative and place on a fi _ m bed " of crushed rock . . : FIRE WOOD . . . Your National Forest Ra _ qgermay permit CONGRATULATIONS . . . removal of dead or downed timber for a _ odest fee - - a clear ) forest is lesssuscep - on your purchase of a Craftsman 3 ° 7 t ! ble tO fires and disease _ Quick burning Chain Saw . tt has been designed , engin - evergreens will split easily to kindle slow - eered and manufactured to give you de - er burning hardwoods _ Measure " _ i0urfire - pendability and pe _ ' formanceoShould you place before you start - - logs don _ t bend . experience any problem you cannot easily remedy , please contact your near - FENCES . . . eat Sears , Roebuck and Coo store _ They make good neighbors , especially the rus - have competent , welt - trained technicians tic split rails so suggestive of the " good and the proper tools and parts to service old days " . Use cedar or redwood , or any or repair this unit . good splitting wood . Split rails with an ax and wedges , notch and fit so your fence is self supporting . , Please read and retain this manual Fol - [ pwlng the ] _ ules for _ pfe Ot2eratzon , TABLES AND BENCHES . . . " ' Assqmbly " , " Operation " , and - Mainten - from half logs , slices or planks drilled and ance " instructions will help you achieve a pegged . Legs of smaller diameter logs long , safe , service life for your Chain Saw ° are whittled , fitted and wedged into drill - ed tops . With other tools , good Chain S _ w techni - que , and your imagination you'll soon be . inventing many other Chain Saw projects BY THE 1NAY . . . Don't forget to visit your ' nearby Sears store for Chain Saw accessories , Chain Guards and Saw Maintenance Items that can make your projects more enjoyable °
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TABLE OF CONTENTS FULL 90 - DAY WARRANTY WARRANTY . . . . . . . . . . . . . . . . . 1 For 90 days from the date of purchase , Sears will repair any de - RULES FOR SAFE OPERATION . . . . . . 1 fect in material or workmanship in this gasoline chain saw at no charge ASSEMBLY INSTRUCTIONS . . . . . . . . . . . 2 If the chain saw is used for commercial or rental purpo _ s , the OPERATION INSTRUCTIONS . . . . . . . . . . . 5 warranty applies for only thirty days from the date of purchar _ . Warranty service is available by contacting the nearest Sears store MAINTENANCE INSTRUCTIONS . . . . . . 9 or Service Center throughout the United States _ CHAIN SHARPENING INSTRUCTIONS . , 9 This warranty gives you specific legal rights , and you may also have other rights which vary from state to state . TROUBLE SHOOTING . . . . . . . . . . . . 16 Sears , Roebuck and Co , 1 REPAIR PARTS . . . . . . . . . . . . . 18 Sears Tower BSC 41 - 3 LOOK FOR THIS SYMBOl . TO POINT Chicago , ! il 60684 OUT IMPORTANT SAFETY PRECAU - TIONS . IT MEANS - - ATTENTION ! BECOME ALERT ! YOUR SAFETY IS INVOLVED , SPECIAL NOTE In some states , such as California , laws covering chain saws ( having internal combustion engines } , when used in areas covered by forests , brush or grass ( excluding residential lawns and landscaped areas } , necessitate fitting the saw's muffler with an additionalit heat shield to reduce muffler surface temperatures , Sears offers such a shield as an optional accessory kit ° Muffler Heat Shield K Catalog No . 32 - 36178 can be purchased at your Sears Service Center . Check with your state conservation or forestry department about their regulations before operating this Sears Chain Saw on any forest - covered , brush - covered or grass - covered areas , Oregon and Washington have similar requirements with respect to forest - covered lands ° RULES FOR SAFE OPERATION Keep hands , body and clothing away from the moving 1o KNOW YOUR ShtW , chain ° Use your Owner s Manual to become familiar with your Saw and proper cutting methods before you begin cutting , Stop Saw Engine and wear heavy gloves when handling Saw Muffler area or Chain . 2 , LIMIT YOUR SAW'S USE TO TRAINED ADULTS . Never allow children to operate your Saw or adults lacking 6 _ LOOK OUT FOR KICKBACK , When the moving chain or proper instruction , , the tip of the guide bar is stubbed or pinched in a cut , the bar and chain can be thrown up and back or down and 3 , PLAN AHEAD . back with considerable force ° THIS IS KICKBACK ! Keep onlookers and pets a safe distance away when starting Avoid touching limbs or other objects with the tip of the or operating your Saw , , Guide Bar while the chain is moving . USE EYE , EAR , HEAD , HAND , AND FOOT PROTEC - Stand slightly to the side rather than directly behind Guide TION and never wear loose clothing or jewerly . , Bar ° Take time to carefully study your sawing operation , plan - Do not reach above shoulder height or outward beyond ning cuts required and clearing retreat paths ° Be alert to your point of positive Saw control as you cut . conditions which might alter your plans as you are cutting , Avoid striking cement or metal , etc . buried in the wood . 4o TAKE PRECAUTIONS AGAINST FIRE , Obtain full chain speed before cutting or resuming pre * Take fire fighting equipment with you when operating the vious cut . Start cutting with fro _ t of _ 3aw Frame against Saw in dry areas _ log or tree . Never use your Saw for boring . 0 Handle fuel with care : Plan c _ tting to avoid situations which might cause Guide a . Use approved gasoline and oil containers and store them Bar to be pinched in a cut . If , however , your Saw does be - away from heat or open flame , out of the reach of chil - come pinched in a cut , STOP THE ENGINE BEFORE RE - dren , MOVING IT . bo Turn the engine off and let your Saw cool before remov - ing the fuel tank cap and refueling your Saw , 7 . MAINTAIN SAW IN GOOD WORKING ORDER , d . Do not smoke while operating or refueling your Saw . Keep your entire Saw clean of sawdust , chaff , oil or fuel d . Refuel your Saw outdoors in a clear area . and keep handles clean and dry . e , Wipe your Saw clean of any spilled oil or fuel and move Keep oil and fuel caps , bolts and screwstight . away from the fueling area before starting your Saw , Make all adjustments ( except carburetor ) with engine stop - Never run the Saw without the muffler or muffler screen . ped and spark plug disconnected . 5 . RESPECT YOUR SAW . Adjust carburetor so that chain stops when throttle trigger Do not start or run Saw indoors to avoid Carbon Monoxide is released . poisoning from exhaust gases . Keep chain sharp and properly tensioned . When starting Saw , pick an area clear of loose gravel or Stop your Saw , inspect and repair if necessary after chain flammable debris , hold Saw firmly to the ground without strikes a foreign object . letting the Guide Bar touch anything , and start your Saw All service other than that included in this Manual should without assistance , be performed by a competent technician . Take a position uphill of expected fall or roll of logs , thenke practice cutting on fallen logs before felling trees ° Ta 8 , TRANSPORT AND STORE SAFELY . special care when cutting wood that is under stress . Stop your Saw engine before setting it down or carrying it Don _ t operate your Saw when you're tired ° Fight careless - to another location . ness and avoid distractions , Carry stopped Saw with Guide Bar behind ( preferably Cut wood only , covered ) and muffler away from your body ° When sawing , maintain a firm grip with both hands , thumbs Cool your Saw completely and cover Guide Bar before transporting in any vehicle , opposing fingers and a secure footing . Do not saw on lad - ders , platforms or in any other position which might en - Drain oil and fuel tank and run Saw engine to use remain _ danger your balance and thus cause loss of positive Saw ing fuel , then cool completely before storing in any en - control . closure , - 1 -
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NOTE : MODEL 917.353770 tS ILLUSTRATED THROUGH - CHAIN OUT THIS MANUAL WHERE HAND GUARD SAW INSTRUCTIONS APPLY TO OIL ALL MODELS , GUIDE BAR WRENCH FRAM _ GUIDE / F ' _ BAR / / NUTS GUIDE BAR CHAIN GUIDES CHAIN FIGURE 1 HAND ASSEMBLY YOU SHOULD HEAR A RATTLE INSIDE THE SAW FRAME ; FUEL AND OiL FILTERS ARE ON FLEXIBLE NUT HOSES _ SPRING WASHER FLAT WEAR HEAVY GLOVES WHEN HAND - WASHER WASHER LING SAW CHAIN , " _ " MACHtN E SCREW . Identif _ ¢ the Saw parts ( Fig , 1 ) as ypu remove them from BASE FIGURE 2 the shipping carton , NOTE : THE GUIDE BAR WRENCH PLATE ( FURNISHED WITH YOUR SAW ) AND A 7 / 16 " WRENCHEM - ARE THE ONLY TOOLS YOU WILL NEED TO ASS BLE AND ADJUST YOUR SAW . 2o Soak Chain in light oil for a few minutes before assembly , INSTALLATION OF HAND GUARD 1 . Remove Nut , Spring Washer and Flat Washer from Stud in Front Handle ( Fig . 2L 2 _ Assemble Hand Guard over Bushing and against Flat Washer , Next , assemble remaining Flat Washer and SpringGut . Washer . NOTE : CONCAVE SURFACE OF SPRINN WASHER MUST FACE FLAT WASHER . Secure with Tighten Nut until Hand Guard is secure to handle , DO NOT OVERTIGHTEN . Hand Guard must move easily to fill fuel and oil tanks _ INSTALLATION OF BAR A ND C H AIN 1o Using the Guide Bar Wrench , remove the two Guide Bar Nuts and Outer Chain Guide from Guide Bar Studs ( Fig _ 3L 2 . Remove Machine Screw from Base Plate ( Fig . 2 ) . 3 . Be sure upper and lower " edges of inner Chain Guide are - 2 - bent TOWARD the Saw Frame ( Fig . 3 ) . '
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4 . Place Guide Bar over Guide Bar Studs , NOTE : BAR GOES ON ONLY ONE WAY - - NOTE CONTOUR OF BAR ( FIG . 4 ) ° ALSO , THE SMALL ROUND HOLE COMPLETELY THRU THE BAR IS BELOW BAR SLOT . GUIDE BAR 5 , Hold Guide Bar slightly away from the Saw Frame . , cPushe _ Baras far TOWARD the Chain Sprocket as it will go . Pla Chain Drive Links around Chain Sprocket and in Guide Bar groove ( Fig . 5 ) , SHARP EDGES OF CUTTERS HMOVEE AWAY FROM THE SAW FRAME ON TOP OF T GUIDE BAR ( FIGo 5 - INSET ) , ROUND GUIDE HOLE BAR . FIGURE 4 B , Place Outer Chain Guide on Guide Bar Studs with upper and lower edges bent AWAY from the Saw Frame ( Fig , , 6 - A ) o CHAIN TRAVEl 7 . ( Fig . 6 ) . Push Guide Bar against Saw Frame . ( Fig . 6 - A ) oin Hole in Guide Bar should be centered in slot of Outer Cha Guide It may be necessary to pull Bar forward . DRIVE ' LINKS 8o ( Fig . , 6 - B ) o Center Chain Tightener Block Pin in Slot of Chain Shield . To do this , turn Chain Tension Adjusting Screw , go ( Fig ° 6 ) , Place Chain Shield onto Guide Bar Studs , Holding Chain Shield to Frame , turn Saw on its side ( Fig . 6 - C ) _ Chain Tightener Block Pin must be in Hole of Guide Bar , in order to tension Chain ( Page 4 ) . CHAIN SPROCKETI 10 . Set Saw upright ( Fig ° 7 ) , Assemble Chain Shield to Sawin Frame with Guide Bar Nuts _ Assemble Machine Screw GUIDE rear corner of Chain Shiel & NOTE : Tighten Machine Screw BAR securely , Tighten Guide Bar Nuts FINGER TIGHT ONLY . FIGURE 5 VIEW OF SAW ON GUIDE BAR ITS LEFT HAND SIDE LOOKING UP TO BOTTOM OF SAW CHAIN SHIELD . CHAIN GUIDE ' tGHTENEB PIN GUIDE BAR GUIDE BAR HOLE FIGURE CHAIN SHIELD CHAIN TENSION ADJ USTI N G GUIDE SCREW BAR FIGURE 6 FIGURE 6C SHIEL [ SLOT CHAIN TENSION ADJUSTING CHAIN TIGHTE BLOCK PIN - 3 -
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TENSION CHAIN Hold end of Guide Bar upo Leave Guide Bar Nuts FINGER TIGHT ONLY . Turn Chain Tension Adjusting Screw clockwise until there is no droop or sag in the Chain ( Fig . 8 ) , , 2 _ Still holding end of Guide Bar up , tighter } Guide Bar Nuts securely ( Fig , , 9 ) . 3 _ Test Chain tension by lifting Chain at the center of the Guide Bar . Bottoms of Cutters should raise approx = mately 1 / 8 inch above the Guide Bar ( Fig , 9 ) . a . If Bottoms of Chain Cutters can be lifted more than 1 / 8 CHAIN TENSION inch above Guide Bar , LOOSEN GUIDE BAR NUTS . EW Turn Chain Tension Adjusting Screw clockwise to tighten tension , TIGHTEN GUIDE BAR NUTS and LOOSEr test again . b , if Bottoms of Chain Cutters cannot be lifted 1 / 16 inch GUIDE above the Guide Bar , or if the Chain cannot be pulled easily around the Bar by hand , LOOSEN GUIDE BAR NUTS _ Turn Chain Tension Adjusting Screw counter - clockwise to loosen tension , TIGHTEN GUIDE BAR NUTS and test again , FILL CHAIN OIL TANK FIGURE 8 1 . Push Hand Guard to the rear for easier filling of Fuel and Oil Tanks ( Fig . 10 ) . 2 _ Fill Chain Oil Tank ( Fig , 10 ) with Sears Bar ' and Chain Lubricant - - suitable for use in any temperature _ You may also use any good multi - grade automotive type oil . if used in temperatures below 0 ° F , thin oil with a small amount of kerosene ( approximately 6 ounces per quark of oil ) . Tighten Cap securely . NOTE : THIS TANK IS FOR BAR AND CHAIN LUBRICATION ONLY . MIX FUEL AND FILL FUEL TANK MIX SAW FUEL IN AN AREA WITH ADE - QUATE VENTILATION AND AWAY FROM HEAT OR FLAME , t . Mix fuel . . Prepare only enough to last for one or two days cutting _ a . Use fresh Regular Grade Gasoline leaded or unleaded , however , DO NOT SWITCH TO LEAD - FREE GASO - LINE IF INITIAL OPERATION USED LEADED GAS - OLINEo Do not use Premium Grade or White Gasoline , Mix in a ratio of 16 to 1 with Sears Chain Saw Engine Oil or SAE 30 non - detergent oif for 2 cycle air cooled engine fuel mixing , , Gasoline Oil 1 gallon 8 ounces ( 1 / ' 2 pint ) 2 gallons 16 ounces ( 1 pint ) 2 - 1 / 2 gallons 20 ounces ( 1 - 1 / 4 pints ) 5 gallons 40 ounces ( 1 quart + 1 / 2 pint ) b , , Pour half of the gasoline into a clean container _ Add all of the oil and shake or stir vigorously , Add remainder of the gasoline and shake or stir again _ When preparingh rue | mixture in low temperatures , thin the oil wit some of the gasoline before adding it to the gasoline . NOTE : NEVER MIX FUEL IN THE CHAIN SAW FUELTANK _ 2o Fill Fuel Tank ( Fig _ 10 ) . NOTE : DO NOT OVERFILL . ALLOW 3 / 4 INCH FOR EXPANSION . Tighten Cap secure ly . KEEP THE HANDLES DRY , CLEAN OF CAP OIL OR FUEL M | XTURE .
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OPERATION STARTING MOVE CHAIN SAW AT LEAST 10 FEET AWAY FROM FUELING POINT . , Make sure your Saw is fueled and Chain Oil Tank filled properly ( Page4 ) . Set the Automatic Oiler Metering Knob at 1 - 1 / 2 turns open ( counterclockwise ) . Press Manual Oiler Pump Button several times to force oil lubrication onto Bar and Chain ( Fig . 11 ) , Move " ON - OFF " Switch to " ON " position ( Fig ° tt ) , Squeeze Throttle Lever and push in on Throttle Detent ( Fig's . 11 and 12 ) , Push Compression Release Button down and back to latch in this position ( Fig , 12 ) , , FIGURE 11 Pull Choke out completely ( Fig _ , 11 ) , TAKE PROPER STARTING POSITION BRIS - FREE AREA ) RIGHT FOOT IN WREITAHR SHAAWNDOLNE THAENDGROLEUFNTD H ( AINNDA DOEN _ FRONT HANDLE ( FIG . 13 ) . Pull Starter Handle slowly until a slight resistance is felt ( between 2 and 4 inches ) then finish the pull sharply , Re - peat as necessary _ holding Starter Handle as starter recoilsLTO avoiding a free snap rewind . NOTE : DO NOT PUL STARTER HANDLE MORE THAN 2 - 1 / 2 FEET AVOID CORD DAMAGE , , When Saw fires , push Choke half way in to prevent En - . llf . * II g ne OOolng When engine starts , squeeze Throttle Lever fully to release Throttle Detent and Compression Release Button . BTheE Saw is now at IDLE - THE CHAIN SHOULD NOT MOVING ° IF CHAIN DOES MOVE WITH SAW AT IDLE , THE CARBURETOR MUST BE AD - JUSTED ( PAGE 12 ) . Push Choke in as engine warms or as engine begins to labor ) / / _ / STARTER E from overrich mixture , THE MUFFLER AND IMMEDIATE AREA BECOME HOT WHEN OPERATING YOUR SAW ENGINE . _ / ARM ENGINE STARTING nce the engine is warm , choking is usually not necessary to FIGURE 13 start . Choking a warm engine or over - choking a cold engine ill cause flooding . 3 . Push Compression Release Button down and back ( Fig , 12 ) . lOT FUEL STARTING 4 , Pull Choke out as far as it will go ( Fig . 1 1 ) . IAPOR LOCK CONDITIONS ) hot weather ( above 90 ° F . ) if engine is difficult to restart 5 . Pull Starter with shor _ , r _ pid movements until Engine fires , ter refueling , or shortly after being shut - off , it may be the Push Choke halfway IN and continue starting procedure until engine runs . suit of vapor lock . This condition will be minimized by ; ing gasoline for the fuel mixture that has been correctly ended for the season ° 6 . Hold at full Throttle and gradually push Choke f _ lly in . A SHO _ , T PERIOD OF ENGINE OPERATION AT HALFR CHOKE MAY BE REQUIRED TO CLEAR VAPO this VAPOR LOCK CONDITION should occur the follow - FROM SYSTEM ° g procedures will minimize engine restart problems , . Move " ON - OFF " Switch to " ON " position ( Fig , 11 ) _ STOPPING Squeeze Throttle Lever and push in on Throttle Detent , If ( Figs . , 11 and 12 ) , - 5 - Flip _ ON - OFF " Switch to _ ' OFF " position ( Fig , t t ) ,
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USING YOUR CHAIN OILING SYSTEM 1 , Press the Manual Oiler Pump Button often during the first few minutes of operation even if you are not cutting wood ( Fig , 14 ) . 2 + The Automatic Oiler Metering Knob setting at 1 - 1 / 2 turns open is for green wood ; if seasoned hard wood is being cut , more oil will be required - * turn Knob counterclockwise to increase oil flow ( Fig , 14 ) + 3 + As you cut wood , especially if Saw and oil are cold , use the Manual Oiler ' Button to temporarily increase the amount of oil delivered to the chain . Check oil level as you cut by pressing Manual Oiler Button , Less resistance indicates Chain Oil Tank needs refilling . 4 , Keep Chain Oil Tank fulI + YOU CAN EXPECT TO USEK ALMOST ONE TANK OF CHAIN OIL FOR EACH TAN OF FUEL USED , CHECK BEFORE YOU CUT lS THE CHAIN TENSIONED PROPERLY ? A chain can hammer itself to pieces if too loose - - and burn ¢ up if too tight ! ( See page 4 ) , IS THE POWER SHARP KNOB iN STORAGE POSI _ TION ? Knob should be in the far right hand position in Support Plate ( Fig . 14 ) + ARE THE CHAIN AND BAR GETTING ENOUGH OIL ? Throttle up to cutting speed for a few seconds ¢ holding Bar Nose approximately six inches from testo surface + Enough oil should be thrown from chain t mark test surface ( Fig . 15 } . Open Automatic Oiter Metering Knob farther if necessary . TOUCH TEST SURFACE . DO NOT ALLOW BAR NOSE TO q _ AfoRrmEing " ALRLropSerYlySTE . pMleSaseGcOh " e ? ckif ouyrourhanSdayw i _ Tn'rtoupbeler - Shooting - section on pages 16 and 17 + USING GOOD SAWING TECHNIQUE Practice cutting a few limbs or small fogs to get the " feel ' _ of your ' Saw using Good Sawing Technique , USE A FIRM GRIP ( THUMBS OPPOSING FINGERS ) WITH LEFT HAND ON FRONT HANDLE AND RIGHT HAND ON REAR HANDLE . KEEP A SECURE BALANCED FOOTING TO THE LEFT OF THE SAW AND DON'T OVERREACH ( FIG . 16 ) , 1 . Squeeze Throttle Lever fully before starting the chain in - to wood + The chain will cut more efficiently with engine at top speed + 2 + Start cutting with the front of Saw Frame against the Ioc , or tree and pivot as you cut so that the Bar Nose enters th _ cut last ( Fig . t6 ) + 3 , Allow the Chain to cut for you and hold Saw so that the Chain runs free in the opening cut . You need not rock th _ Saw back and forth in the cut or use great force , If y0u dc use excessive force to cut , damage to the bar + , chain , o _ engine may result + 4 . Keep Saw chain at cutting speed until Bar is completel _ free of cut , ttmn release Throttle Lever to idle engim
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USING GOOD TREE FELLING TECHNIQUE A SAFE WORKING PROCEDURE IS YOUR FIRST LINE OF DEFENSE TO - WARD PREVENTING ACCIDENTS 1 . SIZE UP THE TREE . a . Determine natural felling direction . . . . - - toward the direction of natural lean . - - toward the side with more or heavier branches . , - - ( if heavily leaved ) with the direction of the wind . t b . , Avoid felling a tree . . . . - - if it shows signs of rot which may make felling unpre - dictable . - - if it's natural felling direction must be changed to avoid obstacles . , - - if hanging dead limbs ( _ widov _ makers = _ ) cannot be removed before felling . , - - if wind is strong or gusty . 2 . PLAN YOUR ESCAPE ROUTE , Choose a route back and to one side of the direction of tree fall ( Fig , 17 ) , , You should plan a route that will place you at least twenty feet from the stump at the time the tree hits the ground , 3 . CLEAR THE BRUSH AND DEBRIS from around the tree BACKCUT ( " FELLING CUT " } and along your escape route , Examine tree in cutting area and remove dirt or foreign material which might dull or HINGE break the chain as you cut _ UNDERCUT 4 . FELL THE T _ EE . , ( " NOTCH " ) a . Undercut ( notch ) the tree on the side of natural fall ( Fig . 18 ) , - - Make the first cut horizontally I / 3 the tree diameter at a comfortable working height . - - Finish the undercut with sloping cut to meet but not cross the first , , - - Clean out the undercut wood . fl , Ii b . Backcut ( felling cut ) the tree opposite the notch ( Fig . . 18 ) . - Make the horizontal felling cut opposite the side of natural fall . at least 2 inches above the horizontal un - dercut , , - - For trees larger than bar length make two felling cuts pivoting bar nose in last , in on one side . then pivoting in from the other to complete the cut ( Fig . 19 ) . - - Some trees may need to be pushed into the under - cut . Drive wedges into the backcut , stopping often to drive wedges tight but taking care not to place them where they will interfere with cutting or direc - tion of fallo Use plastic or wood wedges so that they cannot dull saw chain if accidentally hit . - - DO NOT CUT COMPLETELY THROUGH TO THE UNDERCUT . Leave at least a 2 inch hinge to hold and guide the tree down in the direction you planned and keep the tree from snapping off the stump . , Make sure to keep the hinge a uniform thickness to pre - vent the tree from pivoting on the stump ° 5 . ESCAPE . As your backcut nears the undercut , watch the treetop and the cut for signs of movement . , Be alert - - as soon as the tree starts to move , pul ! your saw from the tree , turn it off , put it down , and move away quickly on you [ escape route . If your saw is pinched in the backcut - - IIIIIIIIIIIIIIIII don t wait until the falling tree frees it . , Shut if off and leave itl Ot RECTION OF FALL BE ALERT TO CONDITIONS WHICH MIGHT ALTER YOUR PLANNED ES - CAPE ROUTE AND WATCH WHERE YOU ARE GOINGI 6 . STUDY THE STUMP . Improve your felling technique by analyzing your work ( Fig . 20 ) . a . Did the undercuts meet without crossing ? b ; . Was the backcut horizontal , parallel to the undercut and at least 2 inches above it ? c , , Was the hinge at least 2 inches thick and of uniform FIGURE 20 thickness ? - 7 -
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PREVENT KICKBACK . NEVER LET THE MOVING CHAIN AT THE BAR ANOSER CATCH OR STUB ITSELF OR THE B WILL RECOIL BACK AND UP OR DOWN DEPENDING ON WHERE IT HAS BEEN STUBBED ( FIG . 21 ) . ALWAYS STOP THE ENGINE BEFORE MOVING FROM TREE TO TREE . FIGURE 21 , TOPCUT IF YOUR SAW SHOULD BECOME PINCH - ED IN A CUT , STOP THE ENGINE BE - FORE REMOVING IT . FIGURE 22 LIMBING I , , Cut branches and limbs from the felled tree starting at the base , working towards the top , Leave the larger lower limbs to support the tree as you work ° CUTTING LIMBS WHICH MAY SPRING EXTREME CARE SHOUL . D BE TAKEN OUT IN ANY DIRECTION , 2 . Large lower branches which support the felled tree's weight should first be top cut ° Then , undercut them so the cute opens away from the saw , n that way , your saw won't b closed on or pinched ( Fig , . 22 } . BUCKING ( CUTTING LOGS ) HIND IT AND TAKE A POSITION UP - SHTILALNDOFTPOOSSSIDIBELEOFLOTGHEROSLALW . , NOT BE - Logs resting on the ground for their entire length can be I II | # bucked from the top ( overbuck ) , , Stop cutting beforeut - passing through the log ; it takes only a few seconds of c ting dirt to ruin a chain . Roll log over to finish cut , , 2 _ Logs that are only suppo , r , ted on one . end can be cut rfromom below , 1 / 3 log diameter ( ' under'buck " ) ' then finished ' _ the top ( Fig . 23 ) , . Logs that are supported on both ends can be overbucked 1 / 3 log diameter then finished from the bottom ( FIgo 24 ) . 4 . Use wedges if necessary to prevent log from pinching saw bar in the cut . 5 . Smaller , lighter logs may need to be blocked to prevent them from rolling off their supports . PRUNING ( CUTTING LIMBS FROM STANDING TREES ) DO NOT SAW ON LADDERS , PLAT - FORMS , IN TREES OR IN ANY EOTHERR POSITION WHICH MIGHT ENDANG YOUR BALANCE AND THUS CAUSE LOSS OF POSITIVE SAW CONTROL . When removing a limb from a growing tree , make an undercut 1 / 4 limb diameter near the trunk and finish with a top cut a little farther out from the trunk . After removing the limb , fhJ _ h _ l _ t fh _ _ t = lh noor th _ tr _ lnk { _ ' ; rt _ } _
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MAINTENANCE GENERAL ALL CHAIN SAW SERVICE , OTHERHE THAN THE ITEMS LISTED IN T OWNER'S MANUAL MAINTENANCE IN - STRUCTIONS , SHOULD BE PERFORMEDCE BY COMPETENT CHAIN SAW SERVI PERSONNEL _ WITH THE EXCEPTION OF POWER SHARPENING AND CARBURETOR AD _ JUSTING , DISCONNECT SPARK PLUG STONE WIRE AND LET SAW COOL BEFORE ADJUSTI NG MAKING ADJUSTMENTS OR REPAIR _ KNOB POWER SHARP KNOB A good maintenance program of regular inspection and care ( SHARPENING POSITION ) will increase the life and maintain the performance of your Saw ° Each working day , check Nuts , Screws and Wires , tightening any that are loose and replacing those that are worn or damp aged . NOTE : WHEN REPLACNG FASTENERS USEATHREAD ADHESIVE . SUCH AS " THREAD LOCK " , - - LOCTITE FIGURE 26 SEALANT ' r , ETC . AVAILABLE AT YOUR SEARS SER - VICE CENTER . GUIDE BAR AND CHAIN Service life of your Bar and Chain will be greatly increased by roper Saw use - correct Chain Tension ( page 4 ) , nLubricationg , page 6 ) and regular maintenance - Sharpening , Bar Deburri etco CHAIN SHARPENING If wood chips are becoming increasingly smaller as you cut , from normal wear or accidental running Chain in dirt or sand , SHARPENING _ CHAIN your Chain may need sharpening . Check Chain for sharpness uSTONE or damage after every refueling and sharpen perhaps every third or fourth refueling ; more often when cutting seasoned hard wood or frozen wood . CUTTER TOP PLATE POWER SHARPENING VIEW FROM BOTTOM OF SAW ON ITS ( MODEL 917.353770 & 917,353771 ONLY ) LEFT HAND SIDE MAKE SURE INSIDE CHAIN SHIELD AND POWER SHARP PARTS ARE FREE OF PACKED SAWDUST AND WOOD CHIPS . t . Tension Chain slightly tighter than normal cutting tension but still able to be pulled easily around the Guide Bar ( page 4 ) . 2o Place Power Sharp Knob in Sharpening I _ OSition ( Fig . 26 ) ° NOTE : To make operation smoother and easier , lift Power Sharp Knob slightly _ 3o Set Stone Adjusting Knob ( Fig . 26 ) . ao Move Sharpening Stone away from chain by turning Stone Adjusting Knob clockwise as far in as possible . b . Move Stone closer to chain by turning Stone Adjusting Knob 1 click at a time counterclockwise , c . Test proper Stone position by pulling chain around bar with gloved hand . Leave Stone Adjusting Knob at the setting reached when chain first touches Sharpening Stone ( Fig ° 26 - Inset ) ° 4 . Start Saw and throttle up to cutting speed . KEEP A FIRM GRIP AND AVOID GUIDE BAR AND CHAIN AREA . 5 . Leave Saw on ground in the debris free starting area ° Move a , If Cutter abrasion is not completely removed , turn Stone Adjusting Knob counterclockwise one click at a time Power Sharp Knob up and back ( ful ! range - Figo26 ) rapidly and resharpen , several times . This will sharpen Cutters on both sides of bo If Cutter Tops are not flat and perpendicular to the Bar Chain and maintain a flat surface on the Sharpening Stone . rotate or replace Sharpening Stone ( page 1t ) o SPARKS WILL FLY AS CUTTERS ARE SHARPENED . 6o NORMAL CHAIN SHARPENING TAKES ONLY A FEW 7o Place Power Sharp Knob in storage position ( Fig . 27 ) ° Re - SECONDS . Stop Saw Engine to inspect Chain visually tension Chain for cutting ( page 4 ) ° Edg = _ sof Cutter Top Plate will took clean and sharp and , 8 . Stone Adjusting Knob may need to be readjusted ( counter - sighting down the Chain , Cutter Tops will be flat , parallel clockwise 1 click } for succeeding sharpenings . with each other and perpendicular to the Guide Bar , - 9 .
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CUTTER SIDE PLATE FILING CUTTER TOP & SIDE PLATE FILING ( MODEL 917,353730 & 917 , , 353731 ONLY ' ) ( MODEL 917.353770 & 917,353771 ONL ¥ _ File Cutter Side Plates ( Fig . 28 ) after every third to fifth Top Tension Chain so it is snug , won't wobble on the bar , Use a chain filing vise if one is available . Plate sharpening . Tension Chain so it is snug , won't wobble on the bar _ Use a 1 _ Place 3 / 16 inch File and Holder on Cutter Top Plate and Depth Gauge ( Fig . 33 ) , Line up Guide Mark parallel to chain filing vise if one is available , , 1 , , Place 5 / 32 File and Holder on Cutter Top Plate and Depth Guide Bar ( Fig _ 34 ) . Keep File Holder ' Handle firmly angled Gauge . Line up Guide Mark Parallel to Guide Bar ( Fig . 29 ) . down 10 ° from Guide Bar perpendicular ( Fig , 35 } _ 2 . Make a light pressure file stroke from inside toward outside Keep File Holder firmly level ( perpendicular to Guide Bar ) of Cutters _ Take care not to nick Cutters on return stroker ( Fig . 30 ) . Use a few file strokes for each Cutter on one side of Chain 2 , Make a light pressure file stroke from inside toward outside of Cutters , . Take care not to nick Cutters on return stroke , , then move to the other side of the Guide Bar to file oppos - ing Cutters _ Rotate the File in its Holder occasionally to Use a few file strokes for each Cutter on one side of Chain even Fife wear , then move to the other side of the Guide Bar to file oppos - ing Cutters , Rotate the File in its Holder occasionally to even File wear . CUTTER DEPTH GAUGE 3FILING731 Measure Side Plate projection it should be 1 / 32 inch ( Fig . ( MODEL 917.353730 & 917,35 ONLY ) 31 ) . File Cutter Depth Gauges after every third or fourth Top and CUTTER DEPTH GAUGE FILING Side Plate sharpening . ( MODEL 917.353770 & 917.353771 ONLY ) 1 . Place Jointer on Chain . If Depth Gauge projects above Depth Gauges are lowered as Cutter Top Plates are power Jointer . file it level with Flat File ( Fig . 36 } . sharpened . Use a Flat File to round off the front corner , 2 , Round off front corner to maintain original shape ( Fig . 37 ) . maintaining original shape ( Fig _ 32 ) . Re - tension Chain for ' cutting ( page 4 ) , Re . tension Chain for cutting ( page 4 ) . GUIDE MARK GUIDE MARK J 5 / 32 FILE & HOLDER & HOLDER FIGURE 34 FIGURE 29 FIGURE 35 FIGURE 30 SIDE PLATE FIGURE 31 1 / 32 " i . . . . . . . . . . . . . . . . . . . . . . . . DEPTH GAt FIGURE 37
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POWER SHARP STONE ROTATION ( MODEL 917 _ 353770 & 917o353771 ONLY ) Reverse the Power Sharp Stone to even Stone wear , perhaps every third or fourth sharpening , as needed . An unevenly worn Power Sharp Stone may sharpen Chain on an angle . Cutter Tops will not look flat when sighted down the Guide Bar , Chain will stumble through wood when cutting or cut slanted , 1 . Remove Guide Bar Nuts and Screw in rear of Chain Shield ( Fig , 7 ) _ Remove Chain Shield 2 _ Loosen Stone Retaining Screw to slide Power Sharp Stone from Arctuating Arm ( Fig _ 38 ) 3 . Turn Stone end for end , slide it on Arctuating Arm , reposi - tion and tighten Retaining Screw , 4 , Reassemble Saw and re - tension Chain ( pages 3 and 4 ) , GUIDE BAR REPAIR 1 . Chain Cutter and Link bottoms riding on Guide Bar Rails will normally roll some Bar Material to the outside of the _ bails ff _ pecially in actual cutting area of Guide Bar , These urrs " should be removed as they form or they will chip away during use taking more Bar material with them , Check Bar for burrs at each Chain sharpening ( Fig . 39 ) , a , Remove Guide Bar Nuts , Screw in rear of Chain Shield , Chain Shield and Outer Chain Guide . Loosen Chain Tension , remove Chain and Guide Bar , bo Move your gloved hand across the flat of the Guide Bar - to feel burrs and remove them with a Flat Fife . Round RAIL TOPS RAIL TOPS ing outside Rail edges will retard further burr formation WORN OPEN POUNDED CLOSED ( Fig , 40 ) , AND SLANTED , AND FILED LEVEL , co Reassemble Saw and re - tension Chain ( pages 3 and 4 ) ° BURRS FORMING BURRS ROUNDED OFF NOTE : YOUR GUIDE BAR IS SPECIAL " LO - KICK " TYPE AND CAN ONLY BE ASSEMBLED IN ONE POSI - TIONo 2o When new or newly sharpened Chain makes slanted cuts , sometimes badly enough to prevent completion of cuts through large diameter logs , check for Guide Bar wear or damage . ao File uneven Rail top wear flat , perpendicular to Guide Bar ( Fig . 39 ) , b . Hammer worn , open Rails closer together to restore correct Chain Groove - - between . 052 and . 060 inch ( Fig , 39 ) , NOTE : MAKE SURE CHAIN RUNS EASILY INM - CORRECTED CHAIN GROOVE BEFORE REASSE BLY . co A badly bent Guide Bar or Rails worn low enough to allow Chain Drive Links to ride on the Chain Groove FIGURE 39 bottom must be professionally serviced or reptaced : CHAIN REPLACEMENT Normal Chain sharpening will eventually remove enough mat _ erial to weaken Cutters and cause damage during use . Individ - ual Cutters can be replaced and sharpened to match Chain in a Sears Service Center , however , repeated Cutter or Link breakage indicates Chain replacement is required ° NOTE : A damaged Cutter on Top Sharp Chain ( MODEL 917.353770 & 917o353771 ) , should not be replaced by another Cutter due to the difficulty in sharpening it to match other worn Cutters , Use of a Tie Strap ( Fig , 28 ) to replace an individual damaged Cutter will not noticeably affect the cut ° ting ability of your chain , POWER SHARP STONE REPLACEMENT ( MODEL 917.353770 & 917.353771 ON LY ) Replace Power Sharp Stone when installing new Chain ( Fig ° 38 ) , CHAIN SPROCKET REPLACEMENT Replace worn Chain Sprocket when installing new Chain _ Clutch Drum removal ( page 14 ) is required , - 11
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AIR FILTER CLEANING An accumulation of dirt and , dust on your Air Filter will considerably reduce your Saw s cutting power . Clean " t at least once each day , more often if sawing in extremely dusty conditions NOTE : NEVER OPERATE SAW WITHOUT AIR FI LTER , To remove Filter Cover , squeez lower 1 / 3 portion of Cover and raise up as shown ( Fig . 41 ) _ Remove and clean Air Filter with compressed air or a 2 _ brush . Wipe Air Filter Adapter clean ( Fig , 41 ) . 3 , Reposition Air Filter as shown in Fig . 42 . 4 _ Reassemble Filter Cover _ ao Insert Cover Tabs between Rear Handle Tabs ( Fig . 42 ) , b . , Squeeze lower 1 / 3 portion of Cover and press down in - to place , CARBURETOR ADJUSTMENT Your " Carburetor has been adjusted at the factory for the best fuel / air mix to provide maximum Saw performance . Your Carburetor may need resetting , however , if you notice any of these conditions : a , Chain moves with Saw engine idle , bo Loss of cutting power which is not corrected by Air ' Filter ' or Muffler Screen cleaning , c , Saw engine dies or hesitates on acceleration , NOTE : CARELESS ADJUSTMENTS CAN SERIOUSLY DAMAGE YOUR SAW ENGINE . 1o Make initial setting with Engine stopped : a , Turn Idle Speed Regulating Screw out ( counterclock - wise ) ; then in until Carburetor Throttle Lever just begins to move , continue moving 2 more turns , b , Turn Low Speed Mixture Screw in ( clockwise ) until LIGHTLY seated , then turn counterclockwise 1 - 1 / 8 turns . 2 . Start and warm up Engine by making one or two cuts , RETURN SAW TO DEBRIS FREE START - ING AREA FOR CARBURETOR ADjUST - MENTS . KEEP A FIRM GRIP AND AVOID GUIDE BAR AND CHAIN AREA . , , . . . . . . . . . . . . . . . . . . . . . . . , , , , , , , , , , , , , . Release Throttle Lever to let Engine idle . If Engine stops , turn Idle Speed Regulating Screw clockwise 1 / 8 turn at a time as required until Engine maintains idle . . Adjust idle speed and Low Speed Mixture to achieve - smoothest engine idle without chain movement but allow ing rapid acceleration . a . Adjust Idle Speed Regulating Screw until Engine main - tains idle speed just slower than the point at which the chain moves . b . Adjust Low Speed Fuel Mixture Screw for fastest idle ; then turn counterclockwise 1 / 4 turn . co Squeeze Throttle Lever . If Engine falters or hesitates on acceleration turn Low Speed Fuel Mixture Screw coun - terclockwise 1 / 16 turn at a time just enough to achieve rapid acceleration . d . Chain should not rotate around bar unfes _ throttle is squeezed , If chain does move repeat Step " A o
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STARTER REPAIR ROPE REPLACEMENT TO " CARRY OUT THE FOLLOWING STEPS , YOU WILL NEED A SCREWDRIVER , 1o Remove 4 screws and remove Starter Housing ( Fig , 44 ) from Saw , , 2 . Remove broken RoDe from Starter Handle and Starter Pul - ley . To replace a frayed Rope : a _ Pull Starter Handle until several inches of Rope are ex - posed ( Fig , 44 ) , b Lock Starter Pulley in place with a screwdriver . c , Slide Starter Handle down on Rope , Untie knot in Rope and remove Washer and Handle . d . Hold Thumb on Starter Pulley and remove screwdriver to SLOWLY release Spring Tension , e . Remove Rope from Pulley , 3 . Thread new Rope into hole of Starter Handle . Place Washer on Rope and tie a secure knot in end of Rope . Position knot and Washer inside Handle . 4 , ( Fig , 45 ) . Turn Starter Pulley clockwise 9 full turns to wind Starter Spring . Align hole in Pulley with Starter Housing Rope Channel . Lock Pulley in place with a screwdriver . 5 . Use a lighted match to melt pulley end of Rope , Pull it thru a rag to mold an easily threaded point , , 6 , Place Rope in Housing Channel and insert into Pulley hQle , Tie a secure knot in Rope , and tap with wood block into Rope Knot Cavity . 7 . Remove screwdriver and allow Rope to slip SLOWLY thru your fingers to rewind . FIGURE 45 8 . Reassemble Starter Housing to Saw . STARTER SPRING REPLACEMENT TO REPLACE SPRING , YOU WILL NEED A SCREWDRIV - ER AND A SMALL AMOUNT OF GRAPHtTE _ t . Remove 4 screws and remove Starter Housing from Saw . 2 _ Untie Starter Rope knot at Starter Pulley ( Fig , 44 ) and re - move Rope . 3 . Remove E - Ring and Washer from Starter Center Post ( Fig , 46 ) . 4 . Lift out Starter Pulley and old Spring . WEAR EYE AND HAND PROTECTION WHEN REPLACING WORN OR BROKEN SPRING IN CASE tT SHOULD UNCOIL AS YOU HANDLE IT . ALLOW SPRING TENSION TO BE COMPLETELY RE - LIEVED AND MAKE SURE PULLEY DISENGAGES FROt , ; SPRING BEFORE CAREFULLY LIFTING PULLEY AND OLD SPRING FROM HOUSING . 5 . Install new Spring ( Fig _ 46 ) with loop in end of Spring over Outer Starter Post . The Spring will wind clockwise toward the center , 6 . Apply graphite to Starter Center Post , reassemble Pulley , Washer and E - Ring , 7 , Prewind Sta _ er Pulley . Refer to Step 4 of " Starter Rope Replacement , 8 , Reassemble _ arter as in steps 6 , 7 and 8 of " Starter Rope Replacement ' \ PAWL SPRING REPLACEMENT 1o Remove 4 screws and remove Starter Housing from Saw , 2o Unhook Pawl Springs and slip over Pawls ° 3o Slip new Springs over Pawls and hook as shown in Fig . 47 , 4 , Reassemble Starter Housing to Sawn _ 13
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COOLING FIN CLEANING A 3 / 8 " WRENCH IS REQUIRED TO REMOVE MUFFLER . . Check air flow over the engine cylinder , , If restricted by debris , remove Muffler and clean engine and Cylinder Cooling Fins ( Fig ° 48 ) , , Compressed air can be used , Replace Muffler , EXHAUST PORT & MUFFLER SCREEN CLEANING Remove carbon deposits f _ om cylinder , exhaust ports and Muffler Screen each season or as required . . TO CARRY OUT THE FOLLOWING STEPS YOU WILL NEED : A WIRE BRUSH , 3 / 8 " WRENCH AND A HARD - WOOD STICK . 1 . . Remove Muffler Cap , Baffle and Screen ° Lift Spark Ptug Cap and remove Spark Plug ( Fig . 48 ) . 2 , Pull Starter Rope to position piston below exhaust hotes , Use a HARDWOOD STICK to scrape carbon deposits from exhaust ports and surrounding exhaust chamber _ 3 . Blow out loosened carbon by pulling Starter Rope several times . , 4 . Use wire brush to clean Muffler Screen . Replace whenever breaks in Screen are noted . 5 . Reassemble Spark Plug and Spark Plug Cap , Baffle and Screen and Muffler Cap . WARNING TO PURCHASERS OF INTERNAL COMBUS - TION ENGINE EQUIPMENT MACHINERY OR DEVICES IN THE STATE OF CALIFORNIA . The California law effective January 1 , t974 prohibits the use of any devices or equipment on any forest covered , brush cov - ered , or grass covered land without providing or maintainingust in effective order , a Spark Arrestor attached to the exha system . The equipment which you purchased DOES includeuse such a Spark Arrestor . It is a violation of law , however , to it unless it is maintained in effective working order . CLUTCH SHOE & SPRING REPLACEMENT YOU WILL NEED A SPANNER WRENCH ( FIG . 49 ) FOR CLUTCH REMOVAL ° ORDER PART NUMBER 632AgA FROM YOUR NEAREST SEARS SERVICE CENTER , Your Chain Saw has a centrifugal Clutch . It is designed to en - gage chain as engine speed increases _ Slip or disengage chain as engine speed decreases in a heavy cutting situation or with Throttle Lever released . If Clutch slippage is excessive so that full engine power cannot be utilized , replace Clutch Shoes , If Clutch does not disengage chain movement , when Throttle Lever is released , replace Clutch Springs . 1 _ Remove Chain Shield , Outer ' Chain Guide , Bar and Chain and Inner Chain Guide from Saw . 2 , Remove Spark Plug Cap and Spark Plug ( Fig , 48 ) . Tie ta - knot in a nylon cord ( such as a Starter Rope ) , Drop kno ted end of rope into cylinder so engine will not go past top dead center . SPARK PLUG CLEANING OR 3 . Place Spanner Wrench in Clutch and turn clockwise to un - REPLACEMENT screw Clutch from Engine Shaft ( Fig _ 49 ) . TO CLEAN SPARK PLUG YOU WILL NEED A WIRE 4 . Remove Clutch from Drum . Use small screwdrivers to pry BRUSH OR POCKET KNIFE . Clutch Shoesout to remove Clutch Springs ( Fig . 50 ) . Use a wire brush or a pocket knife to clean deposits from the 5 , Replace worn Clutch Shoes and Springs . We suggest Clutch electrodes . Use care not to scratch or chip the ceramic section Shoes and Springs be replaced at the same time , of the Spark Plugo Be careful when removing , cleaning , gappingrk and replacing the Spark Plug . If it is damaged it will not wo 6 . Appty a THIN coat of lithium grease to Clutch Drum properly and must be replace _ lo The proper gap between the Needle Bearing ( Fig . 5t ) . NOTE : AVOID USING TOOY Spark Pllug electrodes is o025 ' \ Should it be necessary to re - MUCH GREASE ON NEEDLE BEARING ; GREAS pla ¢ - _ the plug , use Champion CJ - 6 . Replace the Spark Plug CLUTCH SHOES Wl LL CAUSE CLUTCH SLIPPAGE _ each season or when suspected of being faulty , Reattach the _ nark Phln CaD to Spark Pluq . Reassemble Saw . . 14.7 .
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STORAGE Never store your Chain Saw for o _ er 30 days without perform - ing the following procedures : _ , , Drain o { 1 and fuel tanks in a safe area . , 2o Start Saw and run at idle speed until the engine stops , This will remove most of the fuel from the fuel system . 3 . Remove the Spark Plug and pour a teaspoonful of oil through the spark plug hole into the combustion chamber ( Fig , , 52 ) ° Pull the starter rope slowly several times to dis - tribute the oil throughout the engine . Replace the Spark Plug tightly and pull rope until resistance is felt , closing intake and exhaust ports ° 4 . , Remove and clean the Bar and Chain ( use gloves when handling chain ) . 5 , Store the Chain in a container with oil covering chain , 6 . Apply a heavy film of oil over the entire Bar including the groove for the chaim Wrap bar in heavy paper , cloth or plas _ tic . 7 , Clean the outside surfaces of the saw , 8 , , Cover the saw with a protective cloth or plastic and store the saw and bar in a dry place . Always store away from possible source of ignition such as furnaces heaters , etc _ Sears , Roebuck and Co . reserves the right to make any changes in design or improvements without imposing any obligation to install the same upon its items heretofore manufactured °
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TROUBLE SHOOTING POSSIBLE REMEDY POSSIBLE CAUSE AND CHECK I1 " 1 _ . _ . _ _ _ _ _ ' % ' 1 I'I ' 1 ' 1 _ " 1 . ' . 1 . . 1 . # ! STARTER ROPE WILL NOT REWIND Broken Starter Spring / Not enough Pre ! oad ( 9 turns ) Replace , page 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , , , ! , , , , STARTER DOES NOT ENGAGE FLYWHEEl + Replace , page 13 Broken Paw { Spring Replace Broken Pawls or Pins IJZL i ' ' l _ ' ' I I ' , ' ! ' i ' , l ' , - - ' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I " l , , ENGINE DIFFICULT OR WILL NOT START Fill Fuel Tank , page 4 Fuel Tank empty Follow Starting Procedure , page 5 Compression Release Button not in Starting Position Repair or replace Detent Throttle Detent not holding Throttle open ° CHECK : Carburetor linkage with Detent in Starting Position , Carburetor Throttle should be 1 / 4 to 1 / 2 open Contact your nearest Sears Service Center ° Solid State weak ° CHECK : Remove Spark Plug , reattach Plug Wire , hold Plug against engine and pull starter rope ( a strong white spark should jump across plug points - weak Solid State produces a short red spark ) Wrap Wire with electrical tape or replace Solid State grounded , . CHECK : Wire from Solid State to " ON - OFF " Switch for bare spots + Follow Carburetor ' Adjusting Procedure , page 12 Carburetor misadjusted Follow Starting Procedure , page 5 WITHOUT USING CHOKE Engine flooded . Follow Starting Instructions , page 5 , then after starting WITH Engine is mildly vapor locked , operating in hot weather CHOKE OUT RUN SAW AT FULL THROTTLE FOR A FEW SECONDS BEFORE PUSHING CHOKE IN AND ALLOWING SAW TO IDLE ALLOW SAW TO COOL COMPLETELY , then follow Starting Engine is severely vapor locked instructions , page 5 Contact your nearest Sears Service Center ' Broken Reed Valve CARBURETOR FLOODS Carburetor misadjusted Follow Carburetor ' Adjusting Procedure , page 12 Damaged Carburetor Diaphragm Replace Leaking Gasket Replace Leaking Inlet Needle Seat Replace . . . . . . . . . . . . . . . . . . _ . . . . . . . . . _ : . . . . : : : _ . . : : : : - _ - _ - _ = . . . . . . _ : _ : : . . . . . : : : : ENGINE WILL NOT IDLE Follow Carburetor Adjusting Procedure , page 12 Carburetor misadjusted Replace Diaphragm Carburetcr Diaphragm leaking Contact your nearest Sears Service Center Carburetor Inlet Seat Gasket leaking Crankshaft seals leaking Replace seals Contact your nearest Sears Service Center Cylinder scored or compression low Contact your nearest Sears Service Center Reeds leaking or broken . . . . . . . . . . . . . . . . % 1i + , - - ENGINE WILL NOT ACCELERATE Follow Carburetor Adjusting Procedure , page 12 Carburetor misadjusted Clean Air ' Filter or replace , page 12 Dirty Air Filter Clean Spark Plug and regap or replace , page 14 Spark Plug fouled or Solid State weak Clean Exhaust Port and Muffler Screen , page 14 Carbon build - up Tighten cover or replace Diaphragm Carburetor Diaphragm Cover loose or Diaphragm Gasket leaking Broken Reed Valve Contact your . . . . rl . ea . resSt ears Service . Center H HilIHHmm rollmHmmmmHHH'l i i m'm , re , ill mm , , , , , ' l , I tHtmmHm'm , mm'mHtl ENGINE LACKS POWER OR DIES IN THE CUT Clean Air Filter or replace , page 12 Dirty Air Filter Clean Exhaust Port and Muffler Screen , page 14 Carbon build - up Low compression . CHECK : Compression pressure tests Contact your nearest Sears Ser ' _ ice Department below 80PSt or lessened engine resistance to pulling starter rope / 1 / 11 i . . . . . . . . . . . . . . . . . . . . . . . ENGINE KNOCKS Worn Connecting Rod or Bearings , CHECK : Remove Contact your nearest Sears Service Department Starter , rotate Flywheel quickly back and forth . ( Slight play is normal , however , worn Rod or Bearings allow considerable play and audible click ) - 16 +
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TROUBLE SHOOTING CONTINUED POSSIBLE CAUSE AND CHECK POSSIBLE REMEDY . . . . . . _ _ _ = _ : - - - _ - _ : ; _ _ ; z _ : . . . . - . . . . " - - - - ' : - - _ - _ _ - - _ _ . . . . : _ = = = _ " _ = = - _ - ' _ = ' _ ENGINE BACKFIRES OR MISFIRES Drain tank and refill with freshly mixed fuel , page 4 Fuel Mix improper or contaminated Clean Spark Plug and regap or replace , page 14 Spark Plug fouled Tighten assemblies , wrap wires Solid State intermittently shorting . CHECK : loose or bare wires or loose assemblies Replace Defective Pyramid Reed Assembly CHAIN TURNS WHEN ENGINE IS IDLING Follow Carburetor Adjustment instructions , page t2 Carburetor misadjusted Replace Clutch Springs , page 14 Clutch Springs broken or weak Lubricate or replace Clutch Bearing seized or dry . . . . . . . . . m . _ . & m _ i iiiP I II ! ! 111 " [ ! _ _ CHAIN WILL NOT TURN WHEN THROTTLE LEVER IS sQUEEZED Follow Chain Tensioning Instructions , page 4 Chain tensioned too tight Repair Guide Bar or replace , page 11 Guide Bar Rails pinched Replace Clutch Shoes , page 14 Clutch slipping Follow Carburetor Adjustment Instructions , page 12 Carburetor misadjusted Replace Guide Bar Spr0cket Nose Bearing seized J ' I I l'llr " I'I ' iiii iiiiiii , , iiiiii ii ii ii . . . . . . . . . . . . _ . . , . : . . . . . . . i ] 1,1 , _ ! : _ . . . . . . . . . . . . . . . . . . . . CHAIN STOPS WITHIN A CUT File Chain correctly or rotate or replace sharpening stone Chain cutter tops not filed flat ( 9t7.353770 & 9t7.353771 ONLY ) pages 9 - 11 Guide Bar burred or bent or rails uneven Repair Guide Bar or replace , page 11 Clutch slipping excessively Replace Clutch Shoes , page 14 _ - i i . . . . . . . . . . . , iii . . . . . . . . . . ; i ' . ; . . . . . ii ' ' - iiiii ; i " i ii . . . . . : - _ - CHAIN CUTS UNSATISFACTORI LY OR PULLS QUICKLY Cutters dull , improperly sharpened , Depth Gaugestoo high Follow Chain Sharpening Instructions , pages 9 - 1t Follow Chain Tensio = ning Instructions , page 4 Chain tension too tight or loose Chain contact with dirt , sand , or frozen wood Resharpen chain , pages 9 - 11 ! ! i'l ' I ' ' ' ll'l " II . . . . . . ; k . . . . . . . _ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - . . . . . . - ' 1 _ _ " ' CHAIN OPERATES ROUGHLY , CHATTERS OR GRABS Chain tension too loose Follow Chain Tensioning Instructions , page 4 Follow Chain Sharpening Instructions , pages 9 - 11 Cutters not properly sharpened Replace , page 11 Worn Chain Sprocket Replace Chain Chain rivet bearing wear due to use in dirt or sand or inad _ equate chain oiling Contact your nearest Sears Center for Cutter replacement Several cutters damaged through striking buried foreign material W'I'I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ' . . . . . . . . . . . . . . I . ! . llFII CUT TENDS TO SLANT Improper use Hold and guide Saw properly , page 6 Bent , wor _ or burred Guide Bar Repair or replace , page 11 Follow Chain Sharpening and PowertShar _ Maintenance , Improper Chain sharpening , depth gauge lowering or stone rotation ( 917.353770 & 917.353771 ON LY ) pages9 - 11 I1 " 1 " 1 . . . . - _ ° _ . . . . . . . . . . . . . m . . . . CHAIN BREAKAGE Follow Chain Tensioning Instructions , page 4 Maintain proper Chain tension Repair Guide Bar or replace , page 11 Guide Bar Rails pinched Keep Chain very sharp , pages 9 - 11 Cutting frozen wood , i H , IH ' , , . . . . . . . . . I . CHAIN JUMPS OFF Chain tension too loose Follow Chain Tensioning Instructions , page 4 Worn Guide Bar Replace Broken Chain Side Link Contact your nearest Sears Service Center for Chain repair Worn Chain Sprocket Replace , page 11 ' 11I ' 1111I1Ii1111II ' ! ! ! Iq " " 1 _ / _ : ' ' ! ! II . . . . . . . . . . . . . . . . GUIDE BAR CHIPPED ON EDGES Applying excessive pressure to cut Keep chain sharp , pages 9 - 1 1 Improper Guide Bar Maintenance Remove burrs as they form , page 11 Keep oil tank full , oil lines open and Manual Oiler operational , Improper Chain Lubrication , , CHECK : page 6 page 4 II II IIII II IIIIII III III III I II1 " , , 1 , i0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MANUAL OIL PUMP DOES NOT PUMP OIL Clogged Oil Pump Replace Clogged Oil Line Blow out with compressed air Clogged Oil Filter Replace - 17 -
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REPAIR PARTS SEARS 3.7 CttAIN SAWS - _ MODEL NUMBERS 917.353730 , 917.353731 , 917o353770 AND 917.353771 MAIN FRAME 43 22 44 5 27 12 10 11 \ . 64 47 13 _ 49 60 18 56 40 63 ¢ " 21 37 , _ , 23
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REPAIR PARTS SEARS 3.7 CHAIN SAWS - - MODEL NUMBERS 917.353730 , 917.353731 , 917.353770 AND 917.353771 MAIN FRAME KEY PART DESCRIPTION KEY PART DESCRIPTION NO . NO . _ NO , . NO . Machine Screw , Pan Hdo Phillips 1 9957R Front Handle 37 No , . 10 - 24x3Gro5 2 771J Hand Guard Compression Release Button 3 t608P Washer 3 / 8 x 7 / 8 x 14 Ga . Black Oxide 38 832J Spring 4 772J Bushing 39 2022J Air Filter Adapter 5 14 _ 2J _ Stud 40 99t7R Air Filter 6 _ Machine Screw , Pan Hd . Phillips 41 9918RR Air Filter Cover Noo 10 - 24 x 3 / 4 Gr . , 5 42 9919 7 STD541410 * Hex Nut No . 10 43 564P High Crown Acorn Nut 1 / 4 - 20 8 4735R Hose " 44 3315P Screw , Phillips Oval Hd . Machine No . t0 - 24x 1 - 1 / 8Gr . 5 9 9972R Cap Hex Locknut 1 / 4 - 20 10 9283H " O " Ring 45 584P Spring Washer 11 STD551012 * Washer 1 / 4x9 / 16x 16Ga . 46 773J Screw , Pan Hal . Phillips Nor t0 - 24 x 12 9057H Fuel Filter 47 5564P 1 / 2 Type T 13 6167H " 0 " Ring Hold Down Clip 14 9991R Oil Filter 48 2J Rubber Mount 15 676A5 Oil Tank Assembly ( Inc . Key No _ s . . 49 6806R Throttle Link t4 , t7 and 18 ) 50 5J Carburetor 16 643A55 Fuel Tank Assembly ( Inc . Key No's _ 51 ( 917.353730 and 917.353770 ONLY ) 10 , 12 , t7 and 58 ) 12J , ( 917.353731 and 917.353771 ONLY ) 17 9078H Check Valve 829J Gasket 18 525 _ FL _ _ Hose 52 9094H Throttle Detent Pin 19 _ Base Plate Assembly ( Inc . Key Nots . 53 9999R Idle Adjustment Screw 23 and 24 } 54 8J Spring 20 3317P Machine Screw , Pan Flex Hd . Slotted 55 1J 1 / 4 - 20 x 3 / 4 Gr . 5 56 676A3 Carburetor Adapter and Oil Pump Assembly 21 STD522508 " Bolt , Hex Hd . 1 / 4 - 20 x 7 / 8 Gr _ 5 Screw , Pan Hdo Slotted No , 6 - 32 x 22 S _ 1125 * Lockwasher 1 / 4 57 5532P 5 / 16 Type 23 23 _ Bolt , Hex Hd , 1 / 4 - 20 x 2 - 5 / 8 Gr _ 5 II tl . Hose 24 g052H E Ring 58 5255R Baffle Plate - Air Flow 25 876J Pin 59 t 6J Heat Barrier 26 676A20 Rear Mount Assembly 60 27 9567R Rubber Mount 61 Screw , FiL Hd . Cross Recess 28 643A54 Top Cover Assembly No . 8 - 18 x t Type BT 29 9099H Grommet " 62 1392J Cotter External Hair Pin 30 6J " Choke Control 63 4J Oil Pump Ro _ " Q Pin " I ' , " E " Ring 32 Oil Pump Lever 65 31 _ Roll Pin 64 8 _ 33 Throttle Lever 66 507 * Bolt , Hex Hd _ ! / 4 - 20 x 3 / 4 Gro 5 34 676A21 Rear Handle Assembly ( Inc . Key No's _ - - - 9557R Warranty Label Instruction Decal 29 , 33 , 35 , 38 and 39 ) - - - 77 _ J 35 765J Pin - - Owners Manual 36 9889R Rear Handle Grip * STANDARD HARDWARE - - PURCHASE LOCALLY - 19 -
Page: 22

REPAIR PARTS SEARS 3.7 CHAIN SAWS - - MODEL NUMBERS 917.353730 , 917.353731 , 917o353770 AND 917.35377.1 CUTTING AND SHARPENING 8 12 29 \ 36 16 15 25 22 17 18 20 - 2 ! 1 -
Page: 23

REPAIR PARTS SEARS 3.7 CHAIN SAWS _ - rvIODEL NUMBERS 917.353730 , 917.353731 , 917o353770 AND 917,353771 CUTTING AND SHARPENING KEY PART DESCRIPT ! ON KEY PART DESCRIPTION NO , NO , NO . NO 690J Detent Pin ( 917 _ 353770 & 24065 Chain Repair Kit ( 917 353730 and 24 917 _ 353771 ONLY ) 917,35373 ! ONLY } contains : Detent Pin 2 Plain Tie Strap ( Two ) Arctuate Arm ( g17o353770 and 692J 3 Guard Drive Link ( One ) 25 917.353771 ON LY ) 4 Cutter - RoHo ( One ) Set Screw , Allen Hd , Cup Point Cutter - L _ H , ( One ) 26 5 No . 6 - 32 x 1 / 4 6 Drive Link ( One ) 3243P Stone Retaining Screw ( Machine 7 Preset Tie Strap ( Two ) 27 Screw , Truss Hd . Slotted with Nylok 8 4058R Huglock Nut No , 8 - 32 x 7 / 16 ) 9 9091H Chain Tightener Block Machine Screw , Pan Hd , Phillips Guide Bar Nut ( Flange Nut 5 / 16 - 24 UNF ) 28 10 Noo 10 - 24 x 3 / 4 Gr , 5 11 Chain Tension Adjusting Screw Chain Shield ( Machine Screw , Pan Hd _ Phillips 29 9871 R ( 917 ° 353730 and 917.353731 ON LY ) No , 10 - 24 x 3 Gr , 5 Full Thdo ) 643A53 ( 917 _ 353770 and 917.353771 ONLY } 12 23935 Chain Repair Kit ( 917,353770 and 687J Foam Filler ( 9t7.353770 and 917.353771 ON LY ) contains : 30 917 ° 353771 ON LY ) 13 Plain Tie Strap ( Two ) 689J Spring Clip ( 917.353770 and 14 Guard Drive Link ( One } 31 g17 , 353771 ON LY ) 15 Preset Tie Strap ( Two ) 688J Support Plate ( 917.353770 and 16 Drive Link ( One ) 32 917 _ 353771 ONLY ) 17 Chain Machine Screw , Pan Hd . Slotted - 1154J ( 9t7.353730 and 917o353731 ONLY ) 33 Sems No , 8 - 32 x 3 / 8 ( 917o353770 Sears Catalog No , 3633 = and 917.353771 ONLY ) 1155J + ( 917 _ 353770 and 917,353771 ONLY ) 34 676A17 Sharpener Knob Assembly ( 917353770 SearsCatalog No , 3636 I | and 917.353771 ONLY } 774J Guide Bar - 18 Sears Catalog No , t = 8 1008J Adjustment Screw ( g17 , 353770 and Chain Guide - Outer 35 19 9J 9t7.353771 ONLY } 20 10J Chain Guide - Inner 1085J Decal - 3.7 / 18 " 2t 632At46 Stone Assembly ( 917.353770 36 + A new Stone Assembly ( Key No . 21 ) is shipped with & 9t7o353771 ONLY ) each chain 22 STD502502 * Set Screw , Allen Hd _ Cup Point I / 4 - 20 x 1 / 4 ( 917.353770 & * STANDARD HARDWARE - - PURCHASE LOCALLY 917.353771 ONLY ) 23 8526H1 Spring ( 917 _ 353770 & 917 _ 353771 ONLY )
Page: 24

REPAIR PARTS SEARS 3.7 SAWS - - MODEL NUMBERS 917,353730 , 917.353731 , 917.353770 AND 917,353771 ENGINE , CLUTCH AND MUFFLER - - - - Y 5 _ L _ , _ _ . _ 52 42 35 \ 14 13 \ 16 31 15 17 26 D 22 A B C D E 23
Page: 25

REPAIR PARTS SEARS 3.7 SAWS - - MODEL NUMBERS 917.353730 , 917.353731,917.353770 AND 917 _ 353771 ENGINE , CLUTCH AND MUFFLER KEY PART DESCRIPTION KEY PART DESCRIPTION NOo NO . NOo NO . 632A133 Clutch Hub and Washer Assembly - - 643A56 Short Block Assembly - Complete 26 642A35 Clutch Drum and Bearing ( Inc . Key No . Engine Not Furnished ( inc . Key No's . 27 28 ) 11 , 12 , t4 , 16 thru 20 , 31,32 , 33 , 35 , Needle Bearing 37 thru 42 , 47 , 48 , 50 and 51 ) 28 9089H Rimmed Sprocket I 676A8 Muffler Cap Assembly 29 9137H Clutch Spacer 2 676A16 Baffle and Screen Assembly 30 91 t0H Retainer Washer 3 6317 R Muffler Support 31 9081H Ball Bearing 4 9992 R Muffler Base 32 9062H Round Section - Retainer Ring 5 676A27 Muffler Parts ( Inc . Key No'so 1 , 2 & 4 ) 33 9065H Gasket 6 643A5 Reed Plate Assembly 34 9963R Crankcase Assembly ( Inc , Key No . 22 ) 7 9095H Cork Gasket 35 643A49 " O _ ' Ring 8 9409H Spark Plug 36 9213H Metering Stem Assembly ( Inc . Key No . 9 1844 R Washer 37 643A50 36 ) 10 831J Decompression Valve Diaphragm Gasket 11 9579R Cylinder 38 9962R Diaphragm Spring 12 643A12 Piston and Pin ( Inc . Key No . 13 ) 39 9974R Diaphragm Assembly 13 9063H Retaining Ring 40 643A43 Oil Pump Cover 14 643A18 Piston Rings ( Set of 2 ) 41 Machine Screw , Filo Hd . Cro Recess 15 2593R Needle Bearing * Connecting Rod 42 Noo 8 - 32 x 1 / 2 Gr . 5 16 643A1 Connecting Rod Assembly ( lnc _ Key Bushing No'so 15 and C ) 43 9997 R Muffler Stud ! 7 9084H Strip of Connecting Rod Needles 44 9998R Huglock Nut ( Set of 31 ) 45 4058R Machine Screw , Slotted Pan Flex Hd . 18 9973R Crankshaft 46 3178P 1 / 4 - 20 x 5 / 8 Gr . 5 19 79J Gasket STD551125 * Lockwasher 1 / 4 20 643A48 Bearing Carrier Assembly ( Inc . Key NoSs . . 47 STD541125 * Hex Nut 1 / 4 - 28 UNF 21 and 22 ) 48 1136R Cap Screw Socket Hd . - Special 21 8999H Keystone Bearing 49 3250P Machine Screw , Slotted Flat Hdo 22 8998H Oil Seal 50 t / 4 - 20 x 11 / 16 Gr . 8 23 632A137 Centrifugal Clutch ( tnc . Key No * s . 24 , 9086H1 Machine Screw , Slotted Hd ° - Special 25 and 26 ) 51 Muffler Cap Assembly ( See Note 24 8473H 1 Clutch Spring 52 Below ) 25 632A183 Clutch Shoes ( Set of 4 ) * STANDARD HARDWARE - PURCHASE LOCALLY NOTE : A SPECIAL MUFFLER CAP ASSEMBLY MAY BE REQUIRED BY LOCAL LAW FOR USE IN FORESTS OR BRUSH AREAS . CHECK WITH YOUR STATE CONSERVATION OR FORESTRY DEPARTMENT , 23 -
Page: 26

REPAIR PARTS SEARS 3.7 SAWS - - MODEL NUMBERS 917,353730 , 917.353731,917 + 353770 AND 917,353771 SOLID STATE 2 3 11 ) 70 12 DESCRIPTION PART DESCRiPTION KEY PART KEY NO . NO . NO + NO . 6 9072H Torsion Spring 1 9409H Spark Plug ( Champion CJ - 6 ) 7 9070H Switch Plate Huglock Nut 2 7682R 8 ¢ o43A14 Starter ' Pawls and Posts with Springs 3 833J Ignition Switch ( Inc . Key No . 6 ) 4 808J Solid State ignition Group 9 9087H Woodruff Key ( Inc . Key No + 11 ) 10 8989H Slotted Fil + Hd . Machine Screw Flywheel P , _ embly ( inc , Key No _ s . No + 8 - 32 x 3 / 4 8 and 12 ) 11 9262H High Tension Lead 12 9404H Flywheel
Page: 27

REPAIR PARTS SEARS 3.7 SAWS - MODEL NUMBERS 917.353730 , 917o353731 , 917.353770 AND 917 _ 35377 t R ECOI L STARTER 6 A KEY PART DESCRIPTION KEY PART DESCRIPTION NO . NO , NO , NO . 1 9052H E - Ring 6 9826R Handie , Starter 2 STD551012 * Washer t / 4 x 9 / 16 x 16 Gao 7 9862 _ J _ L Starter Housing 3 1219J Pulley , Starter S _ Starter Assembly ( Inco Key No'so 4 91 t7H Spring , Starter 1 thru 7 ) 5 9143H Rope , Starter ( . 156 Diameter x 9 Machine Screw , Pan Hd , Phillips 42 " Long ) No . 10 _ 24 x 3 / 4 Gr , , 5 * STANDARD HARDWARE - _ PURCHASE LOCALLY - 25
Page: 28

REPAIR PARTS SEARS 3.7 CHAIN SAWS - MODEL NUMBERS 917.353730 AND 917,353770 ONLY 31 KEY PART DESCRIPTION KEY PART NO , NO . NO . NOr * Idle Mixture Screw Spring 1 014125 * Body Channel Reducer 17 008793 * Inlet Control Lever 2 012809 * Body Channel Welch Plug ( Large ) 18 013395 * inlet Fulcrum Pin 3 004784 Choke Friction Ball 19 013210 * Inlet Fulcrum Pin Ret . Screw 4 008805 Choke Friction Spring 20 013269 Inlet Needle 5 017994 Choke Shaft & Lever ' 21 013396 6 013263 Choke Shutter 22 012727 * Inlet Screen * Inlet Tension Spring 7 013215 fDiaphragm Gasket 23 011503 Main Nozzle and Jet ( , 028 ) 8 013278 + Diaphragm 24 016806 Throttle Shaft & Lever 9 013216 Diaphragm Cover 25 017995 Throttle Shaft Clip 10 008942 Diaphragm Cover Screw & Lockwasher 26 013219 * Throttle Shaft Clip Ret . Screw ( 4 ) 27 10102808 11 9094H tGasket 28 0135 * Throttle Shaft Return Spring Throttle Shutter 12 013652 + Fuel Pump Diaphragm 29 004119 * Throttle Shutter Screw & Lockwasher 13 013218 1 " Fuel Pump Gasket 30 010280 + Gasket Set ( inc , Parl : sMarked t ) 14 013167 Fuel Pump Cover 31 GS - 1HS Repair Parts Kit ( tnc , Parts Marked * ) t5 011441 Fuel Pump Cover Ret , . Screw & 32 RK - 3HS * Diaphragm & Gasket Set ( Inc . Parts Lockwasher ( 4 ) 33 DG - 1HS Marked + ) 16 013621 Idle Mixture Screw - 26 -
Page: 29

REPAIR PARTS CHAIN SAW - - MODEL NUMBER 9t7,35373t & 917.353771 ONLY CARBURETOR 29 I 4 PART DESCRIPTION KEY PART DESCRIPTION KEY NO , NO _ NOo NO , 325 _ 500 Kit - Kwik ( Inco Key No's . 5 , 9 - 11 , 96 - 517 Screw - Cover 2t 12 13 - 17 , 24 - 26 , 30 - 32 & 34 ) 21 - 88 Cover - Fuel Pumpmp 21 - 112 Cover - Metering Diaphragm 92 _ 93 Gasket - Fuel Pu 22 34 Screw - Fuel Pump Cover 96 - 543 95 - 21 Diaphragm - Fuel Pump 2324 9544 Diaphragm - Acc _ Pump Screen - Fuel Inlet 5 140 - 33 88 - 23 Plug , Welch , Idle , 3 / 8 6 5 - 1656 ! _ - Body Assembly - Carburetor 25 98 - 160 Spring - Needle 7 40 - 631 _ : Choke - Shaft & Lever Assembly 26 112 _ 165 Jet , - Main 8 88 - 14 Plug - Cup 27 96 - 265 Screw Idle IAdjustmentnc , 9 98 - 162 Spring , Choke Friction 2829 Gasket - Service Set ( Key No _ s . 92 - 524 Ball - Choke Friction 10 89 - 13 3 & 19 ) tl 96 - 526 Screw _ Valveke Kit - Gasket / Diaphragm ( tnc , Key No = s , 350 - 500 Valve , - Cho 30 1213 6242 _ ' ; 3,4 , 19 & 20 ) 82 - 26 Valve - Inlet Needle 98 - 26t Spring - Acc , Pump 14 98 - 182 , , Spring - Metering Lever 3I 98 - 163 Spring • Throttle Return 15 166 - 35 Lever - Metering 32 16 - 33 Ring - Throttle Shaft Retainer 16 144 - 60 Pin - Metering Lever 33 Needle _ Idle 102 - 56 : , 17 96 - 156 Screw - Metering Lever Pin 3435 _ . _ , : Throttle - Shaft & Lever Assembly 30 - 808 t8 300 - 944 * Kit - Check Valve Repair ( Main Nozzle ) Valve - Throttle 3444 _ - , , _ 19 92 - 94 Gasket , , Metering Diaphragm 36 Cover - Accelerator Pump 21 - 116 20 95 - 515 Diaphragm - Assembly Metering 37 * INCLUDES VALVE DISC CHECK AND SEAT ASSEMBLY CHECK VALVE ( NOT ILLUSTRATED ) - 27 -
Page: 30

SEARS 3.7 CHAIN SAWS - - MODEL NUMBERS 917.353730 , 917.353731 , 917,353770 AND 917.353771 ACCESSORIES AND REPAIR PARTS AVAI LABLE THROUGH YOUR NEAREST SEARS SER + VICE OR CATALOG OUTLET + CATALOG D ESCR _ PTION CATALOG DESC R IPTION NO + NO , Chain Chain File 3633 ( 917,353730 & 917 + 353731 ) 36525 3 / 16 " Diameter ( 917 + 353730 & 3636 ( 917.353770 & 917 + 353771 ) 917.353731 ON LY ) 36367 Guide Bar 18 " 36524 5 / 32 " Diameter ( 917.353770 & Chain File and Guide 917 + 353771 ONLY ) 36501 3 / 16 " Diameter ' ( 917.353730 & 36609 Chain Saw Case 917.353731 ON LY ) 36512 Snap - On Chain Guard 36516 5 / 32 " Diameter ( 917 + 353770 & 36555 Craftsman Chain Saw Oil Chain / Bar Lubricant 917.353771 ONLY ) 36554 36178 Muffler Heat Shield Kit MAINTENANCE KIT ( NOT INCLUDED WITH CHAIN SAW ) 4 10 11 8 AVAILABLE THROUGH YOUR NEAREST SEARS SER - VICE CENTER + KEY PART DESCRIPTION KEY PART DESCRIPTION NO . NO . NO + NO . File Holder and File 7 632A9A Wrench , Clutch Spanner 2155R 3 / 16 " Diameter ( 917.353730 & 8 6299H Handle , File 9 File 917.353731 ON LY ) 2160R 5 / 32 " Diameter ( 917.353770 & 36548 3 / 16 " Diameter ( 917.353730 & 917 + 353771 ON LY ) 917.353731 ONLY ) 2 780J + Wrench 4302R 5 / 32 " Diameter ( 917 + 353770 & 4 4001R + Oil , Chain Saw 917,353771 ON LY ) 1338R 6 5674H Gap Gauge + 025 ( For 10 Depth Gauge ( 917.353730 & Spark Plug ) 917,353731 ON LY ) tl 648A34 Flywheel Driver + IN ¢ . I t | PtFr } WITH CHAIN RAW + 28 -
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SERVICE N OTES - 29 * Printed in UoS . A .
Page: 32

[ - S - ea rs MODEL NOS . 917 + 353730 917,353731 flBWT6BBBE8 917.353770 MODEL NUMBER The Model Number will be found on the Model Plate located below " ON - OF F " Switch . Always mention the Model Number ' when requesting service or repair + parts for your Chain Saw . REPAIR PARTS All parts listed herein may be ordered from any SEARS , ROE - BUCK AN D CO . retail or catalog store . WHEN ORDERING REPAIR PARTS , ALWAYS GIVE THE FOLLQWING INFORMATION : ® ' THE PART NUMBER ® THE PART DESCRIPTION • THE MODEL NUMBER ® THE I _ AME OF MERCHANDISE If the parts you need are not stocked [ ocafly , your ' order will be electronically transmi1 _ ted to a Sears Repair Parts Distribu - tion Center for ' " expedited handling " . SEARS SERVICE Yogr Sears merchandise takes on added value when you dis - cover that Sears has over 2,000 Service Units throughout the country + Each is staffed by Sears - trained , professional techni - cians using Sears approved parts and methods . i I . rl _ ' J - - i | . . . . . . . . . . , . m , Sears , Roebuok and Co . , Chicago , Ill . 60684 , U . S . A .
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* Clicking the part number will send you to Sears Parts Direct.
09995R Platt
09557R Warranty label
0779J Owners manual
0643A56 Short block assembly - complete engine not furn...
03348J Screen
032-36178 Heat shield
02574J Instruction decal
19957R Front handle
109283H "o" ring
11STD551012 Washer 1/4 x 9/16 x 16 ga. (standard hardware-p...
129057H Fuel filter
136167H "o" ring
149991R Oil filter
15676A5 Oil tank assembly (incl. key no's. 14, 17 and 18)
16643A55 Fuel tank assembly (incl. key no's. 10, 12, 17 ...
179078H Check valve
185254R Hose
199867R Base plate
2771J Hand guard
203178P Machine screw, pan flex hd. slotted 1/4 - 20 x ...
21STD522507 Bolt, hex hd. 1/4 - 20 x 3/4 gr. 5 (standard ha...
22STD551125 Lockwasher 1/4 (standard hardware-purchase loca...
233374P Bolt, hex hd. 1/4 - 20 x 2 - 5/8 gr. 5
249052H "e" ring
25876J Pin
26676A20 Rear mount assembly
279567R Rubber mount
28643A54 Top cover assembly
299099H Grommet
31608P Washer 3/8 x 7/8 x 14 ga. black oxide
306J Choke control
31507H Roll pin
321555J Oil pump lever
339881R Throttle lever
34676A21 Rear handle assembly (incl. key no's. 29, 33, 3...
35765J Pin
369889R Rear handle grip
373376P Machine screw, pan hd. phillips no. 10 - 24 x 3...
38832J Compression release button
392022J Spring
4772J Bushing
409917R Air filter adapter
419918R Air filter
429919R Air filter cover
43564P High crown acorn nut 1/4 - 20
443315P Screw, phillips oval hd. machine no. 10 - 24 x ...
45584P Hex locknut 1/4 - 20
46773J Spring washer
475564P Screw, pan hd. phillips no. 10 - 24 x 1/2 type t
482J Hold down clip
496806R Rubber mount
52682J Stud
505J Throttle link
51N/P Carburetor
51A12J (917.353730 and 917.353770 only)
51B829J (917.353731 and 917.353771 only)
529094H Gasket
539999R Detent pin
548J Idle adjustment screw
551J Spring
56676A3 Carburetor adapter and oil pump assembly
575532P Screw, pan hd. slotted no. 6 - 32 x 5/16 type 23
585255R Hose
592200J Baffle plate-air flow
63375P Machine screw pan hd. phillips no. 10 - 24 x 3/...
605200R Heat barrier
615609P Screw, fil. hd. cross recess no. 8 - 18 x 1 typ...
621392J Cotter external hair pin
634J Oil pump rod
64877J Pin
655019P "e" ring
669873R Rear handle
672188J Heat barrier
681633P Washer 3/8 x 7/8 x 12 ga. black oxide
692575J Air barrier
7STD541010 Hex nut no. 10 (standard hardware-purchase loca...
702576J Air barrier
712519J "o" ring
84735R Hose
99972R Cap
09995R Platt
09557R Warranty label
0779J Owners manual
0643A56 Short block assembly - complete engine not furn...
03348J Screen
032-36178 Heat shield
02574J Instruction decal
124065 Chain repair kit (917.353730 and 917.353731 onl...
106935H Flange nut
113376P Chain tension adjusting screw (machine screw, p...
1223935 Chain repair kit (917.353770 and 917.353771 onl...
13N/P Plain tie strap (two)
14N/P Guard drive link (one)
15N/P Preset tie strap (two)
16N/P Drive link (one)
17N/P Chain
17A1154J (917.353730 and 917.353731 only) sears catalog ...
17B1155J (917.353770 and 917.353771 only) sears catalog ...
18774J Guide bar - 18" sears catalog no. 36369
199J Chain guide - outer
2N/P Plain tie strap (two)
2010J Chain guide - inner
21632A146 Stone assembly (917.353770 & 917.353771 only)
22STD502502 Set screw, allen hd. cup point 1/4 - 20 x 1/4 (...
238526H1 Spring (917.353770 & 917.353771 only)
24690J Detent pin (917.353770 & 917.353771 only) deten...
25692J Arctuate arm (917.353770 and 917.353771 only)
264545P Set screw, allen hd. cup point no. 6 - 32 x 1/4
273243P Stone retaining screw (machine screw, truss hd....
283375P Machine screw, pan hd. phillips no. 10 - 24 x 3...
29N/P Chains shield
29A9871R (917.353730 and 917.353731 only)
29B643A53 (917.353770 and 917.353771 only)
3N/P Guard drive link (one)
30687J Foam filler (917.353770 and 917.353771 only)
312517J Spring clip (917.353770 and 917.353771 only)
32688J Support plate (917.353770 and 917.353771 only)
336037P Machine screw, pan hd. slotted - sems no. 8 - 3...
34676A17 Sharpener knob assembly (917.353770 and 917.353...
351008J Adjustments screw (917.353770 and 917.353771 only)
361085J Decal - 3.7/18"
372601J Decal - sharpener (917.353770 and 917.353771 only)
4N/P Cutter - r.h. (one)
5N/P Cutter - l.h. (one)
6N/P Drive link (one)
7N/P Preset tie strap (two)
84058R Huglock nut
99091H Chain tightener block
09995R Platt
09557R Warranty label
0779J Owners manual
0643A56 Short block assembly - complete engine not furn...
03348J Screen
032-36178 Heat shield
02574J Instruction decal
1676A8 Muffler cap assembly
10831J Decompression valve
119579R Cylinder
12643A12 Piston ass'y. (incl. key no. 13)
139063H Retaining ring
14643A18 Piston rings (set of 2)
152593R Bearing
16643A1 Connecting rod assembly (incl. key no's. 15 and c)
179084H Strip of connecting rod needles (set of 31)
189973R Crankshaft
1979J Gasket
2676A16 Baffle and screen assembly
20643A48 Bearing carrier assembly (incl. key no's. 21 an...
218999H Keystone bearing
228998H Oil seal
23632A137 Centrifugal clutch (incl. key no's. 24, 25 and 26)
248473H1 Clutch spring
25632A183 Clutch shoes (set of 4)
25A2518J Filter
26632A133 Clutch hub and washer
27642A35 Drum/spln
289089H Needle bearing
299137H Rimmed sprocket
36317R Muffler support
309110H Clutch spacer
319081H Retainer washer
329062H Ball bearing
339065H Retainer ring
349963R Gasket
35643A49 Crankcase assembly (incl. key no. 22)
369213H "o" ring
372211J Metering stem
389962R Gasket
399974R Diaphragm spring
49992R Muffler base
40643A69 Diaphragm assembly
411735J Oil pump cover
423387P Machine screw, fil. hd. cr. recess no. 8 x 32 x...
439997R Bushing
449998R Muffler stud
454058R Huglock nut
463178P Machine screw, slotted pan flex hd. 1/4-20 x 5/...
47STD551125 Lockwasher 1/4 (standard hardware-purchased loc...
48STD541125 Hex nut 1/4 - 28 unf (standard hardware-purchas...
491136R Cap screw socket hd. - special
5676A27 Muffler parts (incl. key no's. 1, 2 & 4)
503250P Machine screw, slotted flat hd. 1/4 - 20 x 11/1...
519086H1 Machine screw, slotted hd. - special
522188J Heat barrier
5332-36178 Muffler heat shield accessory kit (see note below)
542193J Decompression valve deflector
552186J Decompression valve air barrier
6643A5 Reed plate assembly
79095H Cork gasket
89409H Spark plug
91844R Washer
09995R Platt
09557R Warranty label
0779J Owners manual
0643A56 Short block assembly - complete engine not furn...
03348J Screen
032-36178 Heat shield
02574J Instruction decal
19409H Spark plug (champion cj-6)
108989H Slotted fil.hd. machine screw no. 8 - 32 x 3/4
119262H High tension lead
129404H Flywheel
132595J Ground wire
27682R On - off plate
3833J Switch
4808J Solid state ignition group (incl. key no's. 11 ...
5643A4 Flywheel assembly (incl. key no's. 8 and 12)
5A2306J Ignition kill wire
69072H Torsion spring
79070H Huglock nut
8643A14 Starter pawls and post with springs (incl. key ...
99087H Woodruff key
09995R Platt
09557R Warranty label
0779J Owners manual
0643A56 Short block assembly - complete engine not furn...
03348J Screen
032-36178 Heat shield
02574J Instruction decal
19052H E-ring
101632P Washer 3/16 x 9/16 x 16 ga.
2STD551012 Washer 1/4 x 9/16 x 16 ga.
31219J Pulley, starter
49117H Coil spring
52205J Rope, starter
69826R Handle, starter
79862R Starter housing
8676A2 Starter assembly (incl. key no's. 1 thru 7)
93375P Machine screw, pan hd. phillips no. 10 - 24 x 3...
09995R Platt
09557R Warranty label
0779J Owners manual
0643A56 Short block assembly - complete engine not furn...
03348J Screen
032-36178 Heat shield
02574J Instruction decal
1014125 Body channel reducer (included in repair parts ...
10008942 Diaphragm cover set screw & lockwasher (4)
119094H Gasket (included in gasket set)
12013652 Fuel pump diaphragm (included in diaphragm & ga...
13013218 Fuel pump gasket (included in gasket set)
14013167 Fuel pump cover
15011441 Fuel pump cover ret. screw & lockwasher (4)
16013621 Idle mixture screw
17008793 Idle mixture screw spring (included in repair p...
18013395 Inlet control lever (included in repair parts kit)
19013210 Inlet fulcrum pin (included in repair parts kit)
2012809 Body channel welch plug (large) (included in re...
20013269 Inlet fulcrum pin ret. screw (included in repai...
21013396 Inlet needle
22012727 Inlet screen (included in repair parts kit)
23011503 Inlet tension spring (included in repair parts ...
24016806 Main nozzle and jet (.028)
25017995 Throttle shaft & lever
26013219 Throttle shaft clip
27010280 Throttle shaft clip ret. screw (included in rep...
28013518 Throttle shaft return spring (included in repai...
29004119 Throttle shutter
3004784 Choke friction ball
30010280 Throttle shutter screw & lockwasher (included i...
31GS-1HS Gasket set (included in diaphragm & gasket set)
32RK-3HS Repair parts kit
33DG-1HS Diaphragm & gasket set (included in repair part...
4008805 Choke friction spring
5017994 Choke shaft & lever
6013263 Choke shutter
7013215 Diaphragm gasket (included in gasket set)
8013278 Diaphragm (included in diaphragm & gasket set)
9013216 Diaphragm cover
09995R Platt
09557R Warranty label
0779J Owners manual
0643A56 Short block assembly - complete engine not furn...
03348J Screen
032-36178 Heat shield
02574J Instruction decal
196-517 Screw - cover
1089-13 Ball - choke friction
1196-526 Screw - valve
1262-33 Valve - choke
1382-26 Valve - inlet needle
1498-207 Spring - metering lever
15166-35 Lever - metering
16144-60 Pin - metering lever
1796-156 Screw - metering lever pin
18300-944 Kit - check valve repair (main nozzle) (include...
19S2-95 Gasket - metering diaphragm
221-88 Cover - fuel pump
2095-515 Diaphragm - assembly metering
21325-500 Kit - kwik (incl. key no's. 5, 9 - 11, 13 - 17,...
2221-112 Cover - metering diaphragm
2396-543 Screw - fuel pump cover
2495-44 Diaphragm - acc. pump
2588-23 Plug - welch, idle, 3/8
2696-160 Spring - needle
27112-165 Jet, main
2992-524 Gasket - services set (incl. key no's. 3 & 19)
392-93 Gasket - fuel pump
30350-500 Kit - gasket/diaphragm (incl. key no's. 3, 4, 1...
3198-261 Spring - acc. pump
3298-163 Spring - throttle return
3316-33 Ring - throttle shaft retainer
34102-222 Needle - idle
3530-834 Throttle - shaft & lever assembly
3634-116 Valve - throttle
3721-116 Cover - accelerator pump
495-21 Diaphragm - fuel pump
5140-33 Screen - fuel tank
65-1725 Body assembly - carburetor
740-781 Choke - shaft & lever assembly
888-14 Plug - cup
998-162 Spring - choke friction
09995R Platt
09557R Warranty label
0779J Owners manual
0643A56 Short block assembly - complete engine not furn...
03348J Screen
032-36178 Heat shield
02574J Instruction decal
1N/P File holder and file
105674H Depth gauge (917.353730 & 917.353731 only)
11648A34 Flywheel driver
1A2155R 3/16" diameter (917.353730 & 917.353731 only)
1B2160R 5/32" diameter (917.353770 & 917.353771 only)
22332J Wrench (included with chain saw)
32333J Screwdriver (included with chain saw)
44001R Oil, chain saw (included with chain saw)
61338R Gap gauge .025 (for spark plug)
7632A9A Wrench, clutch spanner
86299H Handle, file
9N/P File
9A36548 3/16" diameter (917.353730 & 917.353731 only)
9B4302R 5/32" diameter (917.353770 & 917.353771 only)