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Back To Craftsman Corded Drill       Model: 315.271490 or 315271490 Craftsman Profession drill Manual
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This a Craftsman Professional 3/8 in. 4.0 amp double insulated, variable speed, reversible corded drill



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Owner's Manual II : : RRFTSMRN'I 318in . PROFESSIONAL ELECTRIC DRILL VariableSpeed / Reversible Double Insulated Model No . 315.271490 Save this manual for future reference . • Safety , A , CAUTION : Read and follow • Features all Safety Rules and Operating Instructions before first use of • Operation this product . • Maintenance • Parts List Customer Help Line : 1 - 800 - 932 - 3188 Sears , Roebuck and Co . , Hoffman Estates , IL 60179 USA Visit the Craftsman web page : www . sears . com / craftsman 972000 - 551 8 - 98
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[ ] Table Of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . _ . . . . . . . . . . . . . . . . . . . . . , . 2 . . . _ . . . . . . . . . . . . . . . . m Warranty " _ 2 n Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ; . . . . . ; . . . . . . . . . . . . . . . . . . . . . ' . ; . . . . . . . ; . . . _ . . . . . . . . . . . . . 2 Rules for Safe Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 4 [ ] Product Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 i 1 _ _ i * + _ , [ ] Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ; _ 5 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 [ ] Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . 6 m Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii . . . . . . . . . . . 7 - 10 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I'L : ' ' . . . . . . . . . . . . . . . . . . . . . _ 11 [ ] Exploded View and Repair Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . " . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Parts Ordering / Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 FULL ONE YEAR WARRANTY ON CRAFTSMAN PROFESSIONAL ELECTRIC DRILL If this I : RIIFTIMIIN Drill fails due to a defect in material or workmanship within one year from the date of pur - chase , Sears will repair it , free of charge . WARRANTY SERVICE IS AVAILABLE BY SIMPLY RETURNING THE TOOL TO THE NEAREST SEARS STORE IN THE UNITED STATES . This warranty gives you specific legal rights , and you may also have other rights which vary from state to s _ t _ . Sears , Roebuck and Co . , Dept . 817WA , Hoffman Estates , IL 60179 Yourdrilhlas many features for making drilling _ hb CAUTION : CarefotlyTeadlhf _ H _ th _ is _ ntire . . . . . . . . owner'e - manual - b _ sitlg _ your ngw dr , ill , Pay _ operations more pleasant and enjoyable . Safety , performance and dependability have been given top close a _ on to the , Rules for Safe Op _ ation , priority in the design of this drill making it easy to Wamin'g _ , aR _ - _ . _ fib ' _ . " l _ r _ - ' e , your _ l _ ili _ i _ _ maintain and operate . properlyand - _ ly . f _ . whatJt - isintanded , you ; w ! U enjoy years of safe , reliable service . & Look for this symbol to point out important safety precautions . It means attention ! i ! Your safety is involved . i i ii iii ii i i iii iii , _ WARNING : The operation of any drill can result in foreign objects being thrown into your eyes , which can result in severe eye damage . Before beginning power tool operation , always wear safety goggles or safety glasses with side shields and a full face shield when needed . We recommend Wide Vision Safety Mask for use over eyeglasses or standard safety glasses with side shields , available at Sears Retail Stores . 2
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The purpose of safety symbols is to attract your attention to possible dangers . The safety symbols , and the explanations with them , deserve your careful attention and understanding . The safety warnings do not by themselves eliminate any danger . The Instructions or warnings they give are not subsUtutes for proper accident prevention measures . SYMBOL MEANING SAFETY ALERT SYMBOL : & Indicates danger , waming , or caution . May be used in conjunctionwith other symbols or pictographs . DANGER : Failure to obey a safety warning will result in serious injury to yourself or to others . A Always follow the safety precautions to reduce the risk of fire , electric shock and personal injury . WARNING : Failure to obey a safety waming can result in serious injury to yourself or to others . A Always follow the safety precautions to reduce the risk of fire , electric shock and personal injury . CAUTION : Failure to obey a safety waming may result in property damage or personal injury to A yourself or to others . Always follow the safety precautions to reduce the risk of fire , electric shock • and personal injury . . . . NOTE : _ Advises you of information or instructi0ns vital to the operation or maintenance of the equipment . IMPORTANT DOUBLE INSULATION Servicing of a tool with double insulation requires Double insulation is a concept in safety , in electric extreme care and knowledge of the system and power tools , which eliminates the need for the usual , should be performed only by a qualified service three - wire grounded power cord . All exposed metal technician . For service we suggest you retum the tool parts are isolated from internal metal motor components with protecting insulation . Double to your nearest Sears Store for repair . Always use insulated tools do not need to be grounded . original factory replacement parts when servicing . • KEEP CHILDREN AND VISITORS AWAY . All WARNING : Do not attempt to operate this tool visitors should wear safety glasses and be kept a untilyou h _ ve read thoroughly and understand safe distance from work area . Do not let visitors rcompletely all instructions , safety rules , etc . contact tool or extension cord . contained in this manual . Failure to comply can result in accidents involving fire , electric shock , • STORE IDLE TOOLS . When not in use , tools or serious personal injury . Save owner's manual should be stored in a dry and high or locked - up and review'frequently for continuing safe place - out of the reach of children . . ' operation , and instructing others who may use • DO NOT FORCE TOOL . It will do the job better this tool . ' . . . . and safer at the rate for which it was designed . • USE RIGHT TOOL . Don't force small tool or READ ALL INSTRUCTIONS attachment to do the job of a heavy duty tool . • KNOW YOUR POWER TOOL . Read owner's Don , t use tool for purpose not intended - - for manual carefully . Learn its applications and example - - don _ tuse a circular saw for cutting limitations as well as the specific potential tree limbs or logs . hazards related to this tool . • WEAR PROPER APPAREL . Do not wear loose • GUARD AGAINST ELECTRICALSHOCK by clothing or jewelry that can get caught in tool's preventing body contact with grounded surfaces . moving parts and cause personal injury . Rubber For example ; pipes , radiators , ranges , refrigera - gloves and nonskid footwear are recommended tor enclosures . when working outdoors . Wear protective hair • KEEP GUARDS IN PLACE and in working covering to contain long hair and keep it from order . being drawn into nearby air vents . • KEEP WORK AREA CLEAN . Cluttered areas • ALWAYS WEAR SAFETY GLASSES . Everyday and benches invite accidents . eyeglasses have only impact - resistant lenses ; they are not safety glasses . • AVOID DANGEROUS ENVIRONMENT . Do • PROTECT YOUR LUNGS . Wear a face or dust not use power tools in damp or wet locations or mask if the operation is dusty . expose to rain . Keep work area well lit .
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RULESFORSAFEOPERATION ( Continued ) • INSPECT TOOL CORDS PERIODICALLY and if • . PROTECT YOUR HEARING . Wear hearing protection during extended periods of operation . damaged , have repaired at your nearest Sears Repair Center . Stay constantly aware of cord • DO NOT ABUSE CORD . Never carry tool by location . cord or yank it to disconnect from receptacle . • INSPECT EXTENSION CORDS Keep cord from heat , oil , and sharp edges . PERIODICALLY and replace if damaged . • SECURE WORK . Use clamps or a vise to hold work . It is safer than using your hand and it frees • KEEP HANDLES DRY , CLEAN , AND FREE both hands to operate tool . FROM OIL AND GREASE . Always use a clean cloth when cleaning . Never use brake fluids , • DO NOT OVERREACH . Keep proper footing and balance at all times . Do not use on a ladder or gasoline , petroleum - based products , or any strong solvents to clean your tool . unstable support . Secure tools when working at elevated positions . • STAY ALERT AND EXERCISE CONTROL . Watch what you are doing and use common • MAINTAIN TOOLS WITH CARE . Keep tools sense . Do not operate tool when you are tired . sharp and clean for best and safest performance . Do not rush . Follow instructions for lubricating and changing accessories . • CHECK DAMAGED PARTS . Before further use of the tool , a guard or other part that is damaged • DISCONNECT TOOLS . When not in use , before should be carefully checked to determine that it servicing , or when changing attachments , tools will operate properly and perform its intended should be disconnected from power supply . function . Check for alignment of moving parts , • REMOVE ADJUSTING KEYS AND binding of moving parts , breakage of parts , WRENCHES . Form habit of checking to see that mounting and any other conditions that may keys and adjusting wrenches are removed from affect its operation . A guard or other part that is tool before turning it on . damaged should be properly repaired or re - • AVOID ACCIDENTAL STARTING . Do not carry placed by an authorized service center . plugged - in tool with finger on switch . Be sure • DO NOT USE TOOL IF SWITCH DOES NOT switch is off when plugging in . TURN IT ON AND OFF . Have defective switches • MAKE SURE YOUR EXTENSION CORD IS IN replaced by an authorized service center . GOOD CONDITION . When usingan extension • DRILLING INTO ELECTRICAL WIRING IN cord , be sure to use one heavy enough to carry WALLS CAN CAUSE DRILL BIT AND CHUCK the current your product will draw . An undersized TO BECOME ELECTRICALLY LIVE . Do not cord will cause a drop in line voltage resulting in touch the chuck or metal housing when drilling loss of power and overheating . A wire gage size into a wall ; grasp only the insulated handle ( A . W . G . ) of at least 16 is recommended for an provided on the tool . extension cord 100 feet or less in length . A cord • INSPECT FOR and remove all nails from lumber exceeding 100 feet is not recommended . If in before drilling . doubt , use the next heavier gage . The smaller the gage number , the heavier the cord . • DO NOT operate this tool while under the • OUTDOOR USE EXTENSION CORDS . When influence of drugs , alcohol , or any medication . tool is used outdoors , use only extension cords • POLARIZED PLUGS . To reduce the risk of suitable for use outdoors . Outdoor approved electric shock , this tool has a polarized plug ( one cords are marked with the suffix W - A , for blade is wider than the other ) . This plug will fit in example - SJTW - A or SJOW - A . a polarized outlet only one way . If the plug does not fit fully in the outlet , reverse the plug . If it still • KEEP BITS CLEAN AND SHARP . Sharp bits does not fit , contact a qualified electrician to minimize stalling and kickback . install the proper outlet . Do not change the plug • KEEP HANDS AWAY FROM DRILLING AREA . in any way . Keep hands away from bits . Do not reach under - • WHEN SERVICING USE ONLY IDENTICAL neath work while bit is rotating . Do notattempt to CRAFTSMAN REPLACEMENT PARTS . remove material while bit is rotating . • SAVE THESE INSTRUCTIONS . Refer to them • NEVER USE IN AN EXPLOSIVE frequently and use them to instruct others who ATMOSPHERE . Normal sparking of the motor may use this tool . If you loan someone this tool , could ignite fumes . loan them these instructions also . SAVE THESE INSTRUCTIONS 4
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Chuck Capacity 1 / 16 in . to 3 / 8 in . Input 4.0 Amperes Horsepower 1 / 2 No load speed 0 - 2500 RPM Rating 120 volts , 60 Hz , AC only Net weight 3.875 Ibs . Your drill has been shipped completely assembled . _ h ARNING " If any parts are missing , do not Inspect it carefully to make sure no breakage or operate this tool untilthe missing parts are damage has occurred during shipping . If any parts are replaced . Failure to do so could result in possible damaged or missing , contact your nearest Sears serious personal injury . Retail Store to obtain replacement parts before attempting to operate drill . An owner's manual is included in the box . The following recommended accessories are currently available at Sears Retail Stores . 1 / 2 in . Max . • High Speed Bits ( For wood or metal ) • Masonry Bits 3 / 4 in . Max . • Wood Boring Bits 1 in . Max . • Hole Saws 2 in . Max . • Doweling Jig ( _ - 4186 ) • Drill Stand ( . 9 . - 25989 ) • wireBrushesA , ll _ k WARNING : The use of attachments or accessories not listed above might be hazardous . 5
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REVERSIBLE _ i WARNING : Always wear safety goggles orating • safety glasses with side shields when oper Your drill has the feature of being reversible . The your drill . Failure to do so could result in dust , design of the switch will not permit changing the shavings , loose particles or foreign objects being direction of rotation while the drill is running . thrown into your eyes , causing possible serious KEYLESS CHUCK injury . Your new drill has a keyless chuck . As the name KNOW YOUR ELECTRIC DRILL implies , you can hand tighten or release drill bits in See Figure 1 . the chuck jaws . VARIABLE SPEED Before attempting to use your drill , familiarize yourself with all operating features and safety requirements . Your drill has a variable speed switch designed to ELECTRICAL CONNECTION allow operator control of speed and torque limits . The speed and torque of your drill can be increased by Your drill has a precision built electric motor . It should depressing the switch trigger . be connected to a power supply that is 120 volts , 60 Hz , AC only ( normal household current ) . Do not LEVEL AND BELT CLIP operate this tool on direct current ( DC ) . A substantial Two convenient features provided on your drill are a voltage drop will cause a loss of power and the motor level and a belt clip . The level is recessed in the motor will overheat . If your drill does not operate when housing on your drill . It can be used to keep drill bits plugged into an outlet , double - check the power level during both horizontal and vertical drilling supply . operations . The belt clip is molded into the top of the LOCK ON BUTTON motor housing on your drill . Your drill is equipped with a " lock - on " feature , which is convenient when continuous drilling for extended periods of time is required . TOPVIEWOF LEVEL FORHORIZONTALDRILLING MOLDEDBELTCUP LEVEL KEYLESSCHUCK ENDVIEWOF LEVEL FORWARD - REVERSE FORVERTICALDRILLING LEVER LOCK - 0NBUll ' 0N SWITCHTRIGGER Fig . 1 your a you A WARNING : Do not allow familiarity with drill to make careless . Remember that careless fraction of a second is sufficient to inflict severe injury . 6
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_ E ARNING : Your drill should never be UNLOCK CHUCKBODY connected to power supply when you are assembling parts , making adjustments , installing or removing drill bits , cleaning , or when not in use . Disconnecting your drill will prevent accidental starting that could cause serious personal injury . SWITCH See Figure 2 . O . , LLB To tum your drill ON , depress the switch trigger . Release switch trigger to tum your drill OFF . " _ " _ , / ) XB CHUCKAR COLL Fig . 3 WARNING : Do not hold the chuck body with A one hand and use the power of your drill to tighten the chuck jaws on drill bits . The chuck body could slip in your hand or your hand could slip and come in contact with a rotating drill bit . This could cause an accident resulting in serious personal injury . LOCK - ONBUTI'ON REVERSIBLE See Figure 4 . Fig . 2 Your electric drill has the feature of being reversible . The direction of chuck rotation is controlled by a lever LOCK - ON BUTTON located above the switch trigger . With your drill held in See Figure2 . normal operating position , the direction of rotation Your drill is equipped with a lock - on feature , which is lever should be positioned to the left of the switch for convenient when continuous drilling for extended drilling . The drill direction is reversed when the lever is pedods of time is required . To lock - on , depress the to the right of the switch . switch trigger , push in and hold the lock - on button The design of the switch will not permit changing the located on the side of the handle , then release switch direction of rotation while the drill is running . Release trigger . Release lock - on button and your drill will the switch trigger and allow the drill to stop before continue running . changing its direction . To release the lock , depress the switch trigger and Note : Your drill will not run unless the switch lever is release . pushed fully to the left or right . If you have the lock - on feature engaged during use FORWARD - REVERSE and your drill becomes disconnected from power LEVER supply , disengage the lock - on feature immediately . KEYLESS CHUCK REVERSE See Figure 3 . Your new drill has a keyless chuck . As the name implies , you can hand tighten or release drill bits in the chuck jaws . Grasp and hold the collar of the chuck with one hand . Rotate the chuck body with your other hand . The arrows on the chuck indicate which direction to rotate the chuck body in order to LOCK ( tighten ) or UNLOCK ( release ) the drill bit . FORWARD Note : Closing chuck jaws completely without a drill bit Fig . 4 inserted could cause premature failure of the chuck .
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TO INSTALL BITS VARIABLE SPEED See Figure 5 . See Figure 6 . DRILLBIT CHUCKJAWS CHUCKBODY CHUCKCOLLAR TO INCREASESPEED , RIGHT Fig . 6 PULLSWITCHTRIGGER • Unplug your drill . _ IL ARNING : Failure to unplug your drill could result in accidental starting causing serious injury . Fig . 5 • Open or close the chuck jaws to a point where the Your drill has a variable speed switch designed to opening is slightly larger than the drill bit you intend allow operator control of speed and torque limits . The to use . Also , raise the front of your drill slightly to speed and torque of your drill can be increased by keep the drill bit from falling out of the chuck jaws . depressing the switch trigger . • Insert drill bit into chuck the full length of the jaws . Note : Depress switch trigger all the way for maximum speed and torque of your drill . Depress switch trigger _ WARNING : Do not insert drill bit into chuck only part of the way for less speed and torque . jaws and tighten as shown in figure 7 . This could Avoid running your drill at low speeds for extended cause drill bit to be thrown from your drill periods of time . Running at low speeds under resulting in possible serious personal injury or constant usage may cause your drill to become damage to your chuck . overheated . If this occurs , cool your drill by running it without a load and at full speed . The following guidelines may be used in determining correct speed for various applications : • LOW speed is ideal when minimum speed and power is required . For example , starting holes without center punching , driving screws , mixing paint , and drilling in ceramics . • MEDIUM speed is suitable for drilling hard metals , WRONG plastics , and laminates . • HIGH speed produces best results when maximum Fig . 7 power is required . For example , drilling in wood ; • Tighten the chuck jaws on drill bit . soft metals such as aluminum , brass , and copper , and when using driving accessories . • To tighten : grasp and hold the collar of the chuck with one hand , while rotating the chuck body with your other hand . , _ WARNING : Your drill should never be connected to power supply when you are Note : Rotate the chuck body in the direction of the assembling pads , making adjustments , installing arrow marked LOCK to tighten chuck jaws . or removing drill bits , cleaning , or when not in • Do not use a wrench to tighten or loosen the use . Disconnecting your drill will prevent chuck jaws . accidental starting that could cause serious personal injury .
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LUJ _ l _ lif _ l _ wj _ TO REMOVE BITS • Depress and release switch trigger to besure your , drill is in OFF position before connecting it to • Unplug your drill . power supply . • Check the direction of rotation lever for correct , _ WARNING : Failure to unplug your drill could result in accidental starting causing setting ( forward or reverse ) . See Figure 4 . serious injury . • Secure the material to be drilled in a vise or with clamps to keep it from turning as the drill bit [ ] Loosen the chuck jaws from drill bit . rotates . • To loosen : grasp and hold the collar of the chuck • Plug your drill into power supply source . with one hand , while rotating chuck body with your • Hold your drill firmly and place bit at point to be other hand . drilled . • Note : Rotate the chuck body in the direction of the • Depress the switch trigger to start your drill . Do not arrow marked UNLOCK to loosen chuck jaws . lock the switch ON for jobs where your drill may • Do not use a wrench to tighten or loosen the need to be stopped suddenly . chuck jaws . • Move the drill bit into the workpiece applying only • Remove drill bit from chuck jaws . enough pressure to keep the bit cuffing . Do not DRILLING force your drill or apply side pressure to elongate See Figures 8 and 9 . a hole . Let your ddll and bit do the work . See Figures 8 and 9 . LEVEL _ k ARNING : Be prepared for binding or bit breakthrough . When these situations occur , drill has a tendency to grab and kick opposite to the direction of rotation and could cause loss of control when breaking through materials . If not prepared , this loss of control can result in possible serious injury . ENDVIEW When drilling hard , smooth surfaces use a center punch to mark the desired hole location . This will prevent the ddll bit from slipping off center as the hole is started . However , the variable speed feature allows starting holes without center punching if desired . To accomplish this , operate your drill at a low speed until the hole is started . When drilling metals use a light oil on the drill bit to keep it from overheating . The oil will prolong the life of the bit and increase the drillingaction . If the bit jams in the work piece or if your drill stalls , stop the tool immediately . Remove the bit from the work piece and determine the reason for jamming . LEVEL DRILLING See Figures 8 and 9 . A convenient feature provided with your drill is a level . It is recessed in the motor housing on your ddll . It can be used to keep drill bits level during both horizontal Fig . 8 and vertical drilling operations . 9
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TOPVIEW • Open the chuck jaws and remove hexkey wrench . Remove the chuck screw by tuming it in a clockwise direction . See Figure 11 . SCREWDRIVER Fig . 11 Note : The chuck screw has left hand threads . • Insert hex key wrench into chuck and tighten chuck jaws securely . Tap sharply with a mallet in a counterclockwise direction . This will loosen the chuck on the spindle . It can now be unscrewed by hand . See Figure 12 . Fig . 9 CHUCK REMOVAL MALLET See Figure 10 , 11 , and 12 . The chuck must be removed in order to use some accessodes . To remove : CHUCK • Unplug your ddll . , _ WARNING : Failure to unplug your ddll could result in accidental starting causing sedous injury . HEXKEY WRENCH • Insert a 8 mm ( 5 / 16 in . ) or larger hex key wrench into the chuck of your ddll and tighten the chuck CHUCKJAWS jaws securely . Fig . 12 • Tap the hex key wrench sharply with a mallet in a The chuck may at times become loose on the spindle clockwise direction . See Figure 10 . This will loosen and develop a wobble . Also , the chuck screw may • the screw in the chuck for easy removal . become loose causing the chuck jaws to bind and prevent them from closing . To tighten , follow these steps : • Unplug your drill . MALLET _ ARNING : Failure to unplug your drill could result in accidental starting causing sedous injury . CHUCK [ ] Insert hex key wrench into chuck and tighten chuck jaws securely . Tap hex key wrench sharply with a mallet in a clockwise direction . This will tighten the chuck on the spindle . CHUCKJAWS • Open the chuck jaws and remove the hex key wrench . • Tighten the chuck screw . HEXKEY WRENCH Note : The chuck screw has left hand threads . Fig . 10 , 10
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_ WARNING : When servicing , use only identical , _ WARNING : Always wear safety goggles or safety glasses with sicle shields during power Craftsman replacement pads . Use of any other tool operation or when blowing dust . If operation part may create a hazard or cause product is dusty , also wear a dust mask . damage . LUBRICATION GENERAL All of the bearings in this tool are lubricated with a Only the parts shown on parts list , page 13 , are intended to be repaired or replaced by the customer . sufficient amount of high grade lubricant for the lifeof All other parts represent an important part of the the unit under normal operating conditions . Therefore , double insulation system and should be serviced only no further lubrication is required . by a qualified Sears service technician . EXTENSION CORDS Avoid using solvents when cleaning plastic parts . The use of any extension cord will cause some loss of Most plastics are susceptible to damage from various power . To keep the loss to a minimum and to prevent types of commercial solvents and may be damaged tool overheating , use an extension cord that is heavy by their use . Use clean cloths to remove dirt , carbon enough to carry the current the tool will draw . dust , etc . A wire gage size ( A . W . G . ) of at least 16 is recommended for an extension cord 100 feet or less _ iL WARNING : Do not at any time let brake fluids , in length . When working outdoors , use an extension gasoline , petroleum - based products , penetrating cord that is suitable for outdoor use . The cord's jacket oils , etc . come in contact with plastic parts . They will be marked WA . contain chemicals that can damage , weaken or destroy plastic . _ IL AUTION : Keep extension cords away from the drilling area and position the cord so that it will It has been found that electric tools are subject to not get caught on lumber , tools , etc . , during accelerated wear and possible premature failure when drilling operation . they are used on fiberglass boats , sports cars , wallboard , spackling compounds , or plaster . The chips and grindings from these materials are highly abrasive to electric tool parts such as bearings , _ L ARNING : Check extension cords before each use . If damaged , replace immediately . Never use brushes , commutators , etc . Consequently , it is not tool with a damaged cord since touching the recommended that this tool be used for extended damaged area could cause electrical shock work on any fiberglass material , wallboard , spackling resulting in serious injury . compounds , or plaster . During any use on these materials it is extremely important that the tool is Extension cords suitable for use with your drill are cleaned frequently by blowing with an air jet . available at your nearest Sears Retail Store . 11
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CRAFTSMAN 318 in . PROFESSIONAL ELECTRIC DRILL MODEL NO . 315.271490 The model number will be found on a plate attached to the motor housing . Always mentionthe model number in all correspondence regarding your ELECTRIC DRILL or when ordering repair parts . I SEE BACK PAGE FOR PARTS ORDERING INSTRUCTIONS SEE NOTE " A " 2 4 PARTS LIST Key No . Part No . Description Quan . 1 973093 - 001 3 / 8 in . Chuck ( Item No . 9 - 20988 ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 616478 - 003 Screw ( Special ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 971763 - 001 Data Plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 4 979709 - 001 Logo Plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 972000 - 551 Owner's Manual NOTE : " A " - The assembly shown represents an important part of the Double Insulated System . To avoid the possibility of alteration or damage to the system , service should be performed by your nearest Sears Repair Center . Contact your nearest Sears Retail Store for Service Center information . 13
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For in - home major brand repair service : Call 24 hours a day , 7 days a week 1 - 800 - 4 - MY - Home s . ( 1 - 800 - 469 - 4663 ) Para pedir servicio de reparacibn a domicilio - 1 - 800 - 676 - 5811 In Canada for all your service and parts needs call - 1 - 800 - 665 - 4455 Au Canada pour tout le service ou les pi _ ces For the repair or replacement parts you need : Call 7 am - 7 pm , 7 days a week 1 - 800 - 366 - PART ( 1 - 800 - 366 - 7278 ) Para ordenar piezas con entrega a domicilio - 1 - 800 - 659 - 7084 For the location of a Sears Parts and Repair Center in your area : Call 24 hours a day , 7 days a week 1 - 800 - 488 - 1222 For information on purchasing a Sears Maintenance Agreement or to inquire about an existing Agreement : Call 9 am - 5 pm , Monday - Saturday 1 - 800 - 827 - 6655 The Service Side of Sears s "
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0972000-551R Owners manual
16903304 3/8 in chuck for 1/2" shaft (item no 9-20988)
2616478-003 Screw (special) (standard hardware item - may b...
3971763-001 Data plate
4979709-001 Logo plate
0972000-551R Owners manual
1971771-001 Gear and spindle with bearings (includes key no...
10990496-009 Power cord
11971687-002 Armature (includes two of key no. 3)
2STD315215 Ball bearing (ntn #6201lluc3/1e)
3STD315486 Ball bearing (ntn #608zzc3/1e)
4968702-009 Screw (#8 - 16 x 5/8 in. pan hd.) (standard har...
5971770-001 Housing assembly
6971772-000 Brush assembly (2)
7971782-001 Field
8974235-105 Switch
9971861-001 Level assembly (4)