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OPERATORâS MANUAL Log Splitter Vertical Shaft Assembled Model Series 500 , 501 , 510 , 511 530 , 550 , 560 , and 561 IMPORTANT : READ SAFETY RULES AND INSTRUCTIONS CAREFULLY Warning : This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest - covered , brush - covered or grass - covered land unless the engineâs exhaust system is equipped with a spark arrester meeting applicable local or state laws ( if any ) . If a spark arrester is used , it should be maintained in effective working order by the operator . In the State of California the above is required by law ( Section 4442 of the California Public Resources Code ) . Other states may have similar laws . Federal laws apply on federal lands . A spark arrester for the muffler is available through your nearest engine authorized service dealer or contact the service department , P.O . Box 368022 Cleveland , Ohio 44136 - 9722 . MTD PRODUCTS INC . P.O . BOX 368022 CLEVELAND , OHIO 44136 - 9722 770 - 10055B.fm PRINTED IN U.S.A . FORM NO . ECO No . 1481 ( 5 / 00 )
TABLE OF CONTENTS Content Page Important Safe Operation Practices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Assembling Your Log Splitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Know Your Log Splitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Operating Your Log Splitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Adjusting Your Log Splitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Maintaining Your Log Splitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Conditions That Will Void Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 FINDING MODEL NUMBER This Operatorâs Manual is an important part of your new log splitter . It will help you assemble , prepare and maintain the unit for best performance . Please read and understand what it says . Before you start assembling your new equipment , please locate the model plate on the equipment and copy the information from it in the space provided below . The information on the model plate is very important if you need help from our Customer Support Department or an authorized dealer . â¢ You can locate the model number by standing behind the unit and looking down at the hydraulic tank . A sample model plate is explained below . For future reference , please copy the model number and the serial number of the equipment in the space below . ( Model Number ) ( Serial Number ) Copy the model number here : Copy the serial number here : MTD PRODUCTS INC CLEVELAND , OHIO 44136 CALLING CUSTOMER SUPPORT If you have difficulty assembling this product or have any questions regarding the controls , operation or maintenance of this unit , please call the Customer Support Department . Call 1 - ( 330 ) 220 - 4MTD ( 4683 ) or 1 - ( 800 ) - 800 - 7310 to reach a Customer Support representative . Please have your unitâs model number and serial number ready when you call . See previous section to locate this information . You will be asked to enter the serial number in order to process your call . For more details about your unit , visit our website at www.mtdproducts.com 2
SECTION 1 : IMPORTANT SAFE OPERATION PRACTICES WARNING : This symbol points out important safety instructions which , if not followed , could endanger the personal safety and / or property of yourself and others . Read and follow all instructions in this manual before attempting to operate this machine . Failure to comply with these instructions may result in personal injury . When you see this symbol - heed its warning . WARNING : Engine Exhaust , some of its constituents , and certain vehicle components contain or emit chemicals known to State of California to cause cancer and birth defects or other reproductive harm . : This machine was built to be operated according to the rules for safe operation in this DANGER manual . As with any type of power equipment , carelessness or error on the part of the operator can result in serious injury . This machine is capable of amputating hands and feet and throwing objects . Failure to observe the following safety instructions could result in serious injury or death . 10 . Leaks can be detected by passing cardboard or TRAINING wood , while wearing protective gloves and safety 1 . Read , understand , and follow all instructions on the glasses , over the suspected area . Look for machine and in the manual ( s ) before attempting to discoloration of cardboard or wood . assemble and operate . Keep this manual in a safe 11 . If injured by escaping fluid , see a doctor place for future and regular reference and for immediately . Serious infection or reaction can ordering replacement parts . develop if proper medical treatment is not 2 . Be familiar with all controls and their proper administered immediately . operation . Know how to stop the machine and 12 . Keep the operator zone and adjacent area clear for disengage them quickly . safe , secure footing . 3 . Never allow children under 14 years old to operate 13 . If your machine is equipped with an internal this machine . Children 14 years old and over combustion engine and it is intended for use near should read and understand the operation any unimproved forest , brush , or grass covered instructions and safety rules in this manual and land , the engine exhaust should be equipped with a should be trained and supervised by a parent . spark arrester . Make sure you comply with 4 . Never allow adults to operate this machine without applicable local , state , and federal codes . Take proper instruction . appropriate firefighting equipment with you . 5 . Many accidents occur when more than one person 14 . This machine should be used for splitting wood operates the machine . If a helper is assisting in only , do not use it for any other purpose . loading logs , never activate the control until the 15 . Follow the instructions in the manual ( s ) provided helper is a minimum of 10 feet from the machine . with any attachment ( s ) for this machine . 6 . Keep bystanders , helpers , pets , and children at least 20 feet from the machine while it is in PREPARATION operation . 1 . Always wear safety shoes or heavy boots . 7 . Never allow anyone to ride on this machine . 2 . Always wear safety glasses or safety goggles 8 . Never transport cargo on this machine . during operating this machine . 9 . Hydraulic log splitters develop high fluid pressures 3 . Never wear jewelry or loose clothing that might during operation . Fluid escaping through a pin hole become entangled in moving or rotating parts of the opening can penetrate your skin and cause blood machine . poisoning , gangrene , or death . Give attention to the 4 . Make sure this machine is on level surface before following instructions at all times : operating . a . Do not check for leaks with your hand . 5 . Always block the machine as required to prevent b . Do not operate machine with frayed , kinked , unintended movement , and lock in either the cracked , or damaged hoses , fitting , or tubing . horizontal or vertical position . c . Stop the engine and relieve hydraulic system 6 . Always operate this machine from the operator pressure before changing or adjusting zone ( s ) specified in the manual . fittings , hoses , tubing , or other system 7 . Logs should be cut with square ends prior to components . splitting . d . Do not adjust the pressure settings of the 8 . Use your log splitter in daylight or under good pump or valve . artificial light . 3
9 . To avoid personal injury or property damage use 10 . For logs which are not cut square , the least square extreme care in handling gasoline . Gasoline is end and the longest portion of the log should be extremely flammable and the vapors are explosive . placed toward the beam and wedge , and the Serious personal injury can occur when gasoline is square end placed toward the end plate . spilled on yourself or your clothes which can ignite . 11 . When splitting in the vertical position , stabilize the Wash your skin and change immediately . log before moving the control . Split as follows : a . Use only an approved gasoline container . a . Place log on the end plate and turn until it b . Extinguish all cigarettes , cigars , pipes , and leans against the beam and is stable . other sources of ignition . b . When splitting extra large or uneven logs , the c . Never fuel machine indoors . log must be stabilized with wooden shims or d . Never remove gas cap or add fuel while the split wood between the log and the end plate engine is hot or running . or ground . e . Allow engine to cool at least two minutes 12 . Always keep fingers away from any cracks that before refueling . open in the log while splitting . They can quickly f . Never overfill the fuel tank . Fill tank to no close and pinch or amputate your fingers . more than 1 / 2 inch below bottom of filler neck 13 . Keep your work area clean . Immediately remove to provide space for fuel expansion . split wood around the machine so that you do not g . Replace gasoline cap and tighten securely . stumble over it . h . If gasoline is spilled , wipe it off the engine 14 . Never move this machine while the engine is and equipment . move machine to another running . area . Wait 5 minutes before starting the 15 . This machine should not be towed on any street , engine . highway or public road without checking the i . Never store the machine or fuel container existing federal , state , or local vehicle inside where there is an open flame , spark or requirements . Any licensing or modifications such pilot light as on a water heater , space heater , as taillights , etc . , needed to comply , is the sole furnace , clothes dryer or other gas responsibility of the purchaser . If a â Statement of appliances . Origin â is required in your state , see your local j . Allow machine to cool at least 5 minutes dealer . before storing . 16 . See the towing section in this manual for proper towing instructions once all federal , local , or state requirements are met . OPERATION 1 . Before staring this machine , review the â Safety MAINTENANCE AND STORAGE Instructions â . Failure to follow these rules may 1 . Stop the engine , disconnect the spark plug and result in serious injury to the operator or ground it against the engine before cleaning , or bystanders . inspecting the machine . 2 . Never leave this machine unattended with the 2 . Stop the engine and relieve hydraulic system engine running . pressure before repairing or adjusting fittings , 3 . Do not operate machine while under the influence hoses , tubing , or other system components . of alcohol , drugs , or medication . 3 . To prevent fires , clean debris and chaff from the 4 . Never allow anyone to operate this machine engine and muffler areas . If the engine is equipped without proper instruction . with a spark arrester muffler , clean and inspect it 5 . Always operate this machine with all safety regularly according to manufacturers instructions . equipment in place and working . Make sure all Replace if damaged . controls are properly adjusted for safe operation . 4 . Periodically check that all nuts and bolts , hose 6 . Do not change the engine governor settings or clamps , and hydraulic fittings are tight to be sure overspeed the engine . The governor controls the equipment is in safe working condition . maximum safe operating speed of the engine . 5 . Check all safety guards and shields to be sure they 7 . When loading a log , always place your hands on are in the proper position . Never operate with the sides of the log , not on the ends , and never use safety guards , shields , or other protective features your foot to help stabilize a log . Failure to do so , removed . may result in crushed or amputated fingers , toes , 6 . The pressure relief valve is preset at the factory . Do hand , or foot . not adjust the valve . 8 . Use only your hand to operate the controls . 7 . Never attempt to move this machine over hilly or 9 . Never attempt to split more than one log at a time uneven terrain without a tow vehicle or adequate unless the ram has fully extended and a second log help . is needed to complete the separation of the first log . 4
8 . For your safety , replace all damaged or worn parts 9 . Do not alter this machine in any manner , alterations immediately with original equipment such as attaching a rope or extension to the control manufacturerâs ( O.E.M . ) parts only . â Use of parts lever , or adding to the width or height of the wedge which do not meet the original equipment may result in personal injury . specifications may lead to improper performance and compromise safety ! â WARNING : - YOUR RESPONSIBILITY : Restrict the use of this power machine to persons who read , understand and follow the warnings and instructions in this manual and on the machine . NOTE : Not all safety labels shown may apply to your log splitters . SECTION 2 : ASSEMBLING YOUR LOG SPLITTER IMPORTANT : This unit is shipped without gasoline or oil WARNING : Disconnect the spark plug wire in the engine . Be certain to service engine with gasoline and ground against the engine to prevent and oil as instructed in the separate engine manual unintended starting . before operating your machine . NOTE : Reference to right or left hand side of the log NOTE : Do not remove the banding from around the splitter is observed from the operating position . tank until the log splitter is assembled . â¢ Remove the two bolts , lock washers , and hex nuts Removing Unit From Carton that secure the tongue assembly to the beam â¢ Pry the top , sides , and ends off crate . assembly . â¢ Set panels aside to avoid tire punctures or personal â¢ Unlock the two beam locks by pulling out on the injury . beam locks and pivoting them down . Remove the â¢ Remove and discard plastic bag that covers unit . tongue assembly . See Figure 1 . â¢ Remove wheels and loose parts if included with â¢ Place the end of the tongue assembly in between unit ( i.e . , operatorâs manual , etc . ) the brackets on the wheel and reservoir tank WARNING : Use extreme caution unpack - assembly . Secure with hardware previously ing this machine . Some components are removed . very heavy and will require additional peo - ple or mechanical handling equipment . 5
Bracket Tongue Assembly Horizontal Lock Vertical Lock Hex Bolts Hex Nuts Horizontal Lockshers Beam Lock Wa Figure 3 Figure 1 â¢ Remove the spring clip and clevis pin from the jack Preparing The Log Splitter stand . Pivot the jack stand to the operating position and secure with spring clip and clevis pin . â¢ Lubricate the beam area where the splitting wedge See Figure 2 . will slide with engine oil ( DO NOT USE GREASE ) . â¢ Remove reservoir vent plug . See Figure 4 . Clevis Pin Tonguembly Asse Spring Clip Reservoir Vent Plug Jack Stand Figure 2 â¢ Cut the two straps from around the reservoir tank assembly . â¢ Remove the lag screw and washer which secures the beam assembly to the bottom of the crate . â¢ Lower the beam assembly to its horizontal position . Make certain the beam is locked securely with the Figure 4 horizontal beam lock . See Figure 3 . â¢ Pull the log splitter off the pallet . â¢ Fill the reservoir tank to the within 3 â to 3 1 / 2 â from the top of fill tube with Dexron III automatic trans - mission fluid or 10W AW hydraulic fluid . See Figure 5 . â¢ Check fluid level using a scale and do not overfill . Replace vent plug securely . NOTE : The reservoir tank has a capacity of approxi - mately 4 gallons . 6
â¢ If not already , disconnect the spark plug wire and â¢ Refill tank to within 3 â to 3 1 / 2 â from the top of the fill prime the pump , by pulling the recoil starter to turn tube . the engine over approximately 10 times . â¢ Extend and retract the wedge 12 complete cycles to remove trapped air in the system ( system is â self - bleeding â ) . â¢ Refill the reservoir to within 3 â to 3 1 / 2 â from the top of the fill tube . Much of the original fluid has been drawn into the cylinder and hoses . Make certain to refill the reservoir to prevent extreme damage to the hydraulic pump . Failure to refill the tank will void your warranty . NOTE : Some fluid may overflow from the vent plug as the system builds heat and the fluid expands and seeks a balanced level . Figure 5 IMPORTANT : Do not operate the log splitter without the â¢ Reconnect the spark plug wire . proper amount of transmission fluid in the reservoir â¢ Start engine according to Starting the Engine in the tank . OPERATION section . NOTE : Not all log splitters come equipped with a â¢ Use the control handle to engage the wedge to the log tray . farthest extended position and then retract the wedge . SECTION 3 : KNOW YOUR LOG SPLITTER Splitting Wedge Control Handle Vertical Beam Lock Horizontal Beam Lock Figure 6 WARNING : Be familiar with all controls Neutral : Control handle will return to neutral position and their proper operation . Know how to when handle is released . Splitting wedges stops in stop the machine and disengage them place . quickly . Disengage : When pulling the control handle up or back , the splitting wedge moves toward the cylinder . Control Handle The control handle will lock in the disengaged position . It will return to neutral automatically when the The control handle has three positions . See Figure 6 . disengage stroke is complete . Splitting : Push the control handle forward or down . Splitting wedge moves toward the end plate . 7
Engine Controls Beam Locks See the separate engine manual for the location and There are two beam locks one for each operating function of the controls on the engine . position . See Figure 6 . Vertical : The vertical beam lock is located next to the Stopping Engine oil filter . â¢ Move throttle control lever to STOP or OFF Horizontal : The horizontal beam lock is part of the position . beam support latch bracket . â¢ Disconnect spark plug wire and ground against the Starter Handle engine to prevent unintended starting . The starter handle is located on the engine . Pull the starter handle to start engine . SECTION 4 : OPERATING YOUR LOG SPLITTER WARNING : Read , understand , and follow â¢ Repeat the previous steps until engine fires . When all instructions and warnings on the engine starts , move choke control ( if equipped ) machine and in this manual before gradually to RUN position . operating . â¢ If weather is cold , run wedge up or down beam 6 to 8 times to circulate the hydraulic fluid . WARNING : Wear leather work gloves , safety shoes , and safety glasses when WARNING : When starting a warm engine , operating log splitter . Ensure safe footing . muffle , engine , and surrounding areas become hot and can cause a burn . Do not touch . Gas And Oil Fill - Up Service the engine with gasoline and oil as instructed in Always : the separate engine manual packed with your chipper â¢ Use clean fluid and check fluid level regularly . shredder vacuum . Read instructions carefully . â¢ Use Dexron III Automatic Transmission Fluid or 10W AW hydraulic fluid . WARNING : Use extreme care when â¢ Use a filter ( clean or replace regularly ) handling gasoline . Gasoline is extremely â¢ Use a breather cap on fluid reservoir . flammable and the vapors are explosive . â¢ Keep end of reservoir return tube below fluid level . Never fuel machine indoors or while the â¢ Make certain pump is mounted and aligned engine is hot or running . Extinguish properly . cigarettes , cigars , pipes , and other â¢ Use a flexible â spider â type coupling between sources of ignition . engine and pump drive shafts . â¢ Keep hoses clear and unblocked . Starting Engine â¢ Bleed air out of hoses before operating . â¢ Attach spark plug wire to spark plug . Make certain â¢ Flush and clean hydraulic system before starting the metal cap on the end of the spark plug is after any malfunction or servicing . fastened securely over the metal tip on the spark â¢ Use â pipe dope â on all hydraulic fittings . plug . â¢ Allow time for warm - up before splitting wood . â¢ Engines with choke lever : â¢ Prime the pump before initial start - up by turning Move choke lever on engine to CHOKE position . ( A over the engine with spark plug disconnected . warm engine may not require choking ) . â¢ Split wood with the grain ( lengthwise ) only . â¢ Engines with primer : Never : Prime engine as instructed in separate engine â¢ Use when fluid is below 20 Â° F or above 150 Â° F . manual . â¢ Use a solid engine / pump coupling . â¢ The throttle control lever is located on the engine . â¢ Operate through relief valve for more than several Move engine throttle control lever to FAST or seconds . START position . â¢ Attempt to adjust unloading or relief valve settings â¢ Grasp starter handle and pull rope out slowly until without pressure gauges . engine reaches start of compression cycle ( rope â¢ Operate with air in hydraulic system . will pull slightly harder at this point ) . â¢ Use teflon tape on hydraulic fittings . â¢ Pull rope with a rapid , continuous , full arm stroke . â¢ Attempt to cut wood across the grain . Keep a firm grip on starter handle . Let rope rewind slowly . 8
Horizontal Position Using The Log Splitter â¢ Pull the vertical beam lock out and pivot it down . â¢ Place the log splitter on level , dry , and solid ground . Pivot the beam to the horizontal position . â¢ Place the beam in either the horizontal or vertical â¢ To lock the beam in the horizontal position , pull out position and lock in place with the appropriate on the horizontal beam lock and pivot it to secure locking rod . the beam . See Figure 8 . â¢ Block the front and back of both wheels . â¢ Stand behind the reservoir tank to operate the â¢ Place the log against the end plate and only split control handle and to stabilize the log . wood in the direction of the grain . â¢ When necessary to stabilize the log , place your hand only on sides of log . NEVER place hand on the end between the log and splitting wedge . â¢ Only one adult should stabilize the log and operate the control handle , so the operator has full control over stabilizing the log and movement of the splitting wedge . Control Handle Positions â¢ Move control handle FORWARD or DOWN to split wood . â¢ Release the control handle to stop the wedge movement . â¢ Move control handle BACK or UP to return the wedge . Vertical Position â¢ Pull the horizontal beam lock out and pivot it down to release the beam . Pivot the beam to the vertical Figure 8 position . Transporting The Log Splitter â¢ To lock the beam in the vertical position , pull out on â¢ Lower the beam to its horizontal position . Make the vertical beam lock and pivot it to secure the certain the beam is locked securely with the beam . See Figure 7 . horizontal beam lock . â¢ Stand in front of the log splitter to operate the â¢ Remove the spring clip and clevis pin from jack control handle and to stabilize the log . stand . Support the tongue and pivot the jack stand up against the tongue . Secure with the spring clip and clevis pin previously removed . â¢ Attach the hitch to a towing vehicle , making certain to latch securely . â¢ Connect the safety chains to the towing vehicle . â¢ Plug in the taillights as instructed in the taillight kit manual included with your log splitter . Figure 7 9
SECTION 5 : ADJUSTING YOUR LOG SPLITTER WARNING : Do not at any time make any Wedge Plate Adjustment adjustments without first stopping engine , As normal wear occurs , adjust the bolts on the side of disconnecting spark plug wire , and the wedge plate to eliminate the excess space between grounding it against the engine . the wedge plate and beam . See Figure 9 . â¢ Loosen the jam nuts on the two adjustment bolts on the side of the gib plate . Turn the adjustment bolts Attached in until snug and then back them off slowly until the To Cylinder wedge assembly will slide on the beam . â¢ Tighten the jam nuts securely against the gib plate Hex to hold the adjustment bolts in this position . Bolts Gib Plate Adjustment Periodically remove and replace the â gibs â ( spacers ) between the wedge plate and the back plate . See Figure 9 . NOTE : The gibs may be rotated and / or turned over for even wear . â¢ Remove the center bolt on top of the wedge plate . Adjustment Wedge Slide the gib plate out . Bolts Plate â¢ Remove and replace the gibs . Gib Plate Back â¢ Reassemble the gib plate , making certain flat Plate washers are in place under the gib plate . â¢ Readjust the bolts on the side of the wedge plate . Figure 9 SECTION 6 : MAINTAINING YOUR LOG SPLITTER WARNING : Before cleaning , lubricating , Hydraulic Filter repairing , or inspecting , disengage the Change the hydraulic filter every 50 hours of operation . control lever and stop engine . Disconnect Use only a 10 micron hydraulic filter . Order part number the spark plug wire and ground it against 723 - 0405 . the engine to prevent unintended starting . Beam And Splitting Wedge Reservoir Fluid Lubricate both sides of the beam ( where it comes into Check the hydraulic fluid level in the log splitter contact with the splitting wedge ) before each use with reservoir tank before each use . Maintain fluid level engine oil . The wedge plate on the log splitter is within 3 â to 3 1 / 2 â from top at all times . Change the designed so the gibs on the side of the wedge plate can hydraulic fluid in the reservoir every 100 hours of be removed and rotated and / or turned over for even operation . Disconnect the suction hose from the bottom wear.Make certain to readjust the adjustment bolts so of the reservoir tank and drain the fluid into a suitable wedge moves freely , but no excess space exists container . Refill using only Dexron III automatic between the wedge plate and beam . transmission fluid or 10W AW hydraulic fluid . Be aware of the environment when disposing of Hose Clamps used petroleum products . Please dispose of used Check the hose clamps on the suction hose ( attached hydraulic fluid and engine oil at approved recycling to side of the pump ) for proper tightness before each centers . use . Check the hose clamps on the return hose at least WARNING : Use extreme caution when once a season . working with kerosene , it is flammable fluid . Extinguish cigarettes , cigars , pipes , and other sources of ignition . 10
â¢ Set . 010 â to . 060 â clearance between the nylon Engine â spider â and the engine coupling half by sliding a Refer to the separate engine manual for all engine matchbook cover between the nylon â spider â and maintenance instructions . the engine coupling half and moving pump coupling half as needed . Secure pump coupling half with set Flexible Pump Coupler screw . See Figure 10 . The flexible pump coupler is a nylon â spider â insert , NOTE : Make certain proper clearance is obtained located between the pump and engine shaft . Over a before tightening set screw . period of time , the coupler will harden and deteriorate . â¢ Reattach spark plug wire to spark plug . Replacement is needed if you detect vibration or noise coming from the area between the engine and the Tires pump . If the coupler fails completely , you will experience a loss of power . See sidewall of tire for recommended pressure . Maximum tire pressure under any circumstances is 30 IMPORTANT : Never hit the engine shaft in any manner , p.s.i . Equal tire pressure should be maintained on all as a blow will cause permanent damage to the engine . tires . When replacing the flexible pump coupler , proceed as WARNING : Excessive pressure ( over 30 follows : p.s.i . ) when seating beads may cause tire / â¢ Remove three nuts and lock washers that secure rim assembly to burst with force sufficient the pump to the coupling shield . Two nuts are at the to cause serious injury . bottom corners and one is in the top center . â¢ Remove the pump . Storing Your Log Splitter â¢ Rotate the engine by pulling starter handle until engine coupling half set screw is at bottom . Loosen â¢ Clean the unit thoroughly . set screw using allen wrench and slide coupling half â¢ Wipe equipment with an oiled rag to prevent rust . off of engine shaft . â¢ Refer to engine manual for correct engine storage â¢ Loosen set screw on pump coupling half and instructions . remove coupling half . â¢ Store unit in a clean , dry area . Do not store next to â¢ Slide new engine coupling half onto the engine corrosive materials such as fertilizer . shaft until the end of the shaft is flush with the inner portion of the coupling half . ( There must be space WARNING : Never store the machine or between end of the engine support bracket and fuel container indoors where there is an coupling half ) . Tighten set screw . open flame , spark , or pilot light such as on â¢ Install pump coupling half and key on pump shaft . water heater , furnace , clothes dryer , or Rotate coupling half until set screw faces down . Do other gas appliance . not tighten set screw . â¢ Install nylon â spider â onto engine coupling half . WARNING : Drain fuel into an approved â¢ Align pump coupling half with nylon â spider â by container outdoors , away from an open rotating engine using starter handle . Slide coupling flame . Allow engine to cool . Extinguish half into place while guiding three mounting bolts cigarettes , cigars , pipes , and other through holes in pump support bracket . sources of ignition prior to draining fuel . â¢ Secure with nuts and washers removed earlier . Fuel left in engine for extended periods deteriorates and will cause starting problems . Gear Pump Set Screw Steel Nylon Coupling â Spider â Halves Insert Clearance Engine Figure 10 11
SECTION 7 : CONDITIONS THAT WILL VOID WARRANTY â¢ Failure to maintain proper fluid level in reservoir will pump bearings , engine bearings and the coupler cause permanent damage to pump by allowing air hubs . to be drawn into pump . Fluid will become foamy . â¢ Improper beam lubrication will cause premature â¢ Changing the relief valve setting or pressure wear and looseness . Lubricate the beam regularly . adjustment of control valve without proper Lack of lubrication will void your warranty . knowledge and instruction from the factory will void â¢ Improper adjustment of splitting wedge will void your warranty . A very minor adjustment could your warranty . If wedge is too loose , cylinder beam destroy the structural and safety limits for which the and wedge wear will result . Allowing the wedge to unit was designed . The system will produce more loosen and be used under operating stress will power than the structure will withstand . Higher cause damage which will not be covered under pressure could cause the hoses to burst , cylinder to warranty . If wedge is too tight , severe beam rupture , and intense fluid releases , which could damage will result which will not be covered under result in serious personal injury . warranty . â¢ Disassembling the pump will void your warranty . If â¢ Do not overheat the hydraulic system . Excessive replacement is necessary , merely disconnect and heat will destroy the hydraulic system with replace . Do not attempt to adjust pump settings , as hardened O - rings and excessive friction . they are adjusted by the manufacturer at the â¢ Do not attempt to start in temperatures under 20 Â¤ F factory . without pre - heating fluid in reservoir . Excessively â¢ Use of incorrect hydraulic fluid will void your cold fluid can not circulate and draw into pump . warranty . Use only Dexron III automatic â¢ Repair any leaks in hydraulic system immediately . transmission fluid or 10W AW hydraulic fluid . Unattended leaks will cause air to enter system â¢ The flexible pump coupler must be inspected and / or decrease fluid level in reservoir , causing regularly . Allowing the coupler to deteriorate will damage to the hydraulic system which will not be void your warranty . Deterioration of spider insert covered by warranty . and prolonged use after its deterioration will destroy SECTION 8 : TROUBLESHOOTING Problem Cause Remedy Engine fails to start 1 . Spark plug wire disconnected . 1 . Connect wire to spark plug . 2 . Fuel tank empty or stale fuel . 2 . Fill tank with clean , fresh gasoline . 3 . Throttle control lever not in correct 3 . Move throttle lever to FAST position . starting position . ( If Equipped ) 4 . Choke not in CHOKE position . 4 . Move choke to CHOKE position . ( If Equipped ) 5 . Blocked fuel line . 5 . Clean fuel line . 6 . Faulty spark plug . 6 . Clean , adjust gap , or replace . Engine runs erratic 1 . Spark plug wire loose . 1 . Connect and tighten spark plug wire . 2 . Unit running on CHOKE . 2 . Move choke lever to OFF position . ( If Equipped ) 3 . Blocked fuel line or stale fuel . 3 . Clean fuel line ; fill tank with clean , fresh gasoline 4 . Water or dirt in fuel system . 4 . Drain fuel tank . Refill with fresh fuel . 5 . Dirty air cleaner . 5 . Clean or replace air cleaner . 6 . Carburetor out of adjustment . 6 . See authorized service dealer . Engine overheats 1 . Engine oil level low . 1 . Fill crankcase with proper oil . 2 . Dirty air cleaner . 2 . Clean or replace air cleaner . 3 . Carburetor not adjusted properly . 3 . See authorized service dealer . NOTE : For repairs beyond the minor adjustments listed above , contact your nearest authorized service dealer . 12
SECTION 9 : HYDRAULIC TROUBLESHOOTING Problem Cause Remedy Cylinder rod will not move 1 . Broken drive shaft . 1 . See authorized service dealer . 2 . Shipping plugs left in hydraulic 2 . Disconnect hydraulic hoses , remove hoses . shipping plugs , reconnect hoses . 3 . Set screws in coupling not adjusted 3 . See operatorâs manual for correct properly . adjustment . 4 . Loose shaft coupling . 4 . Correct engine / pump alignment as necessary . 5 . Gear sections damaged . 5 . See authorized service dealer . 6 . Damaged relief valve . 6 . See authorized service dealer . 7 . Hydraulic lines blocked . 7 . Flush and clean hydraulic system . 8 . Incorrect oil level . 8 . Check oil level . 9 . Damaged directional valve . 9 . See authorized service dealer . 10 . Blocked directional valve . 10 . Flush and clean hydraulic system . 1 . Gear sections damaged . Slow cylinder shaft speed 1 . See authorized service dealer . 2 . Excessive pump inlet vacuum . while extending and 2 . Make certain pump inlet hoses are clear retracting . and unblocked - use short , large diameter inlet hoses . 3 . Slow engine speed . 3 . See authorized service dealer . 4 . Damaged relief valve . 4 . See authorized service dealer . 5 . Incorrect oil level . 5 . Check oil level . 6 . Contaminated oil . 6 . Drain oil , clean reservoir , and refill . 7 . Directional valve leaking internally . 7 . See authorized service dealer . 8 . Internally damaged cylinder . 8 . See authorized service dealer . Leaking cylinder 1 . Broken seals . 1 . See authorized service dealer . 2 . Scored cylinder . 2 . See authorized service dealer . 1 . Small gear section damaged . Engine runs but wood will 1 . See authorized service dealer . 2 . Pump check valve leaking . not split or wood splits too 2 . See authorized service dealer . 3 . Excessive pump inlet vacuum . slowly 3 . Make certain pump inlet hoses are clear and unblocked . 4 . Incorrect oil level . 4 . Check oil level . 5 . Contaminated oil . 5 . Drain oil , clean reservoir , and refill . 6 . Directional valve leaking internally . 6 . See authorized service dealer . 7 . Overloaded cylinder . 7 . Do not attempt to split wood against the grain . 8 . Internally damaged cylinder . 8 . See authorized service dealer . Engine stalls during 1 . Low horsepower / weak engine . 1 . See authorized service dealer . splitting 2 . Overloaded cylinder . 2 . Do not attempt to split wood against the grain or see authorized service dealer . Engine will not turn or 1 . Engine / pump misalignment . 1 . Correct alignment as necessary . stalls under low load 2 . Frozen or seized pump . 2 . See authorized service dealer . conditions 3 . Low horsepower / weak engine . 3 . See authorized service dealer . 4 . Hydraulic lines blocked . 4 . Flush and clean hydraulic system . 5 . Blocked directional valve . 5 . Flush and clean hydraulic system . Leaking pump shaft seal 1 . Broken drive shaft . 1 . See authorized service dealer . 2 . Engine / pump misalignment . 2 . Correct alignment as necessary . 3 . Gear sections damaged . 3 . See authorized service dealer . 4 . Poorly positioned shaft seal . 4 . See authorized service dealer . 5 . Plugged oil breather . 5 . Make certain reservoir is properly vented . 13
Model Series 500 , 501 , 510 , 511 , 530 , 550 , 560 , and 561 84 82 1 85 2 3 83 15 4 16 19 5 6 18 7 20 11 21 12 8 22 9 10 86 10 13 17 23 B 2 26 24 25 23 B 24 48 27 28 29 30 49 A 50 31 32 51 53 34 52 87 35 33 52 54 47 53 37 46 38 47 C 40 39 46 A 55 C 36 56 60 31 45 57 61 44 34 41 43 35 58 64 62 65 63 68 59 66 42 59 69 58 74 64 70 57 78 67 57 79 59 70 71 65 75 68 72 65 71 76 73 81 77 80 14
Model Series 500 , 501 , 510 , 511 , 530 , 550 , 560 , and 561 Ref . Ref . Part No . Part Description Part No . Part Description No . No . 1 . 781 - 0323B Wedge Assembly 42 . 736 - 0159 Washer 5 / 16 â 2 . 712 - 0239 Lock Nut 1 / 2 - 20 43 . 736 - 0119 Lock Washer 5 / 16 â 3 . 710 - 1018 Hex Cap Screw 1 / 2 - 20 x 2.75 44 . 712 - 0123 Hex Nut 5 / 16 - 24 â 4 . 736 - 0192 Flat Washer . 531 ID x . 93 OD 45 . 710 - 0654A Hex Washer Screw 3 / 8 - 16 x 1.0 5 . 710 - 0459A Hex Cap Screw 3 / 8 - 24 x 1.5 46 . 726 - 0174 Hose Clamp 6 . 781 - 0356 Floating Gib Plate 47 . 735 - 0256 Suction Hose 7 . 781 - 0351 Adjustable Gib 48 . 710 - 1338 Hex Screw 5 / 16 - 24 x 3.25 8 . 712 - 0711 Hex Jam Nut 3 / 8 - 24 49 . 714 - 0122 Square Key 3 / 16 â x . 75 9 . 750 - 0743 Spacer 50 . 718 - 0686 Flexible Coupling 750 - 0750 Spacer â 51 . 719 - 0353 Coupling Shield 10 . 781 - 0537 Back Bracket 52 . 736 - 0119 Lock Washer 5 / 16 â ID 11 . 781 - 0352A Adjustable Gib Shim 53 . 712 - 0123 Hex Nut 5 / 16 - 24 12 . 781 - 0350A Fixed Gib 54 . 781 - 0097 Rear Coupling Support Bracket 13 . 736 - 0921 Lock Washer 1 / 2 55 . 718 - 0683 Gear Pump ( 11gpm ) 14 . 712 - 0239 Lock Nut 1 / 2 - 20 56 . 737 - 0329 45 Degree Elbow 15 . 781 - 0168A Stripper Side 57 . 710 - 0521 Hex Bolt 3 / 8 - 16 x 3 â 16 . 712 - 0130 Lock Nut 3 / 8 - 16 58 . 712 - 0798 Hex Nut 3 / 8 - 16 17 . 710 - 0859 Hex Cap Screw 3 / 8 - 16 x 2.5 59 . 736 - 0169 L - Washer 3 / 8 â 18 . 681 - 0102 Beam Assembly 60 . 710 - 0411 Hex Bolt 3 / 8 - 16 x 4 â 681 - 0093 Beam Assembly ( w / o Tray ) 62 . 681 - 0110 Support Beam Assembly 681 - 0127 Beam Assembly â 63 . 781 - 0680A Tube 681 - 0126 Beam Assembly ( w / o Tray ) 64 . 736 - 0185 Flat Washer 3 / 8 19 . 714 - 0211 Cotter Pin 65 . 712 - 0375 Hex Lock Nut 3 / 8 - 16 20 . 711 - 1135 Clevis Pin 66 . 711 - 0813 Clevis Pin 5 / 16 x 2.5 â 21 . 718 - 0306 Hydraulic Cylinder 67 . 732 - 0194 Spring Pin 22 . 727 - 0471 Hydraulic Tube 68 . 750 - 0497 Spacer 3 / 8 â ID x . 625 â OD 23 . 727 - 0443 Return Hose 3 / 4 â ID x 44 â Lg . 69 . 710 - 0944 Hex Bolt 3 / 8 - 16 x 4 â 24 . 726 - 0132 Hose Clamp 5 / 8 â 70 . 736 - 0262 Flat Washer 3 / 8 â ID x . 87 â OD 25 . 737 - 0153 Return Elbow 71 . 713 - 0433 Chain 26 . 737 - 0192 90 Degree Solid Adapter 72 . 727 - 0311 Hitch Coupler 27 . 718 - 0481 Control Valve 73 . 781 - 0162 Jack Stand 28 . 727 - 0235 3 / 4 â Hose Adapter 74 . 721 - 0168 Bearing Seal 29 . 737 - 0316 Filter Housing 75 . 741 - 0987 Bearing Cone 30 . 723 - 0405 Oil Filter 76 . 634 - 0186 Wheel Assembly 31 . 727 - 0502 High Pressure Hydraulic Hose 77 . 634 - 0180 Rim Assembly 32 . 714 - 0470 Cotter Pin 78 . 736 - 0351 Flat Washer . 76 â ID x 1.5 â OD 33 . 738 - 0805 Hinge Pin 1 / 2 x 4.8 â 79 . 712 - 0359 Slotted Nut 3 / 4 - 16 34 . 726 - 0214 Push Cap 80 . 714 - 0162 Cotter Pin 5 / 32 â x 1 - 1 / 4 â 35 . 732 - 0583 Compression Spring 4 â 81 . 734 - 0873 Hub Cap 36 . 736 - 0116 Flat Washer . 635 ID x . 93 OD 82 . 781 - 0686 Log Tray Bracket 37 . 781 - 0690 Locking Rod 83 . 712 - 0431 Flanged Lock Nut 3 / 8 - 16 38 . 737 - 0236 Pipe Plug 84 . 781 - 0682 Log Tray 39 . 681 - 0176 Frame Assembly 4.0 Gal 85 . 710 - 3097 Carriage Bolt 3 / 8 - 16 x 1.0 40 . 681 - 0138 Fender Assembly â 86 . 781 - 0526 Hose Guard â 41 . 710 - 0157 Hex Cap Screw 5 / 16 - 24 x . 75 â 87 . 781 - 0538 Hose Guard â â Models 530 , 550 , 560 , and 561 Note : Not all log splitters come equipped with a log tray . 15
MANUFACTURERâS LIMITED WARRANTY FOR : c . Routine maintenance items such as lubricants , filters , The limited warranty set forth below is given by MTD blade sharpening and tune - ups , or adjustments such PRODUCTS INC ( â MTD â ) with respect to new merchandise as brake adjustments , clutch adjustments or deck purchased and used in the United States , its possessions adjustments ; and normal deterioration of the exterior and territories . finish due to use or exposure . d . MTD does not extend any warranty for products sold MTD warrants this product against defects in material and or exported outside of the United States of America , workmanship for a period of two ( 2 ) years commencing on its possessions and territories , except those sold the date of original purchase and will , at its option , repair or through MADâs authorized channels of export distribu - replace , free of charge , any part found to be defective in tion . material or workmanship . This limited warranty shall only No implied warranty , including any implied warranty of apply if this product has been operated and maintained in merchantability or fitness for a particular purpose , accordance with the Operatorâs Manual furnished with the applies after the applicable period of express written product , and has not been subject to misuse , abuse , com - warranty above as to the parts as identified . No other mercial use , neglect , accident , improper maintenance , express warranty or guaranty , whether written or oral , alteration , vandalism , theft , fire , water or damage because of other peril or natural disaster . Damage resulting from the except as mentioned above , given by any person or installation or use of any accessory or attachment not entity , including a dealer or retailer , with respect to any approved by MTD Products Inc . for use with the product ( s ) product shall bind MTD . During the period of the War - covered by this manual will void your warranty as to any ranty , the exclusive remedy is repair or replacement of resulting damages . the product as set forth above . ( Some states do not allow limitations on how long an implied warranty lasts , so Normal wear parts or components thereof are subject to the above limitation may not apply to you . ) separate terms as follows : All normal wear part or compo - nent failures will be covered on the product for a period of The provisions as set forth in this Warranty provide the 90 days regardless of cause . After 90 days , but within the sole and exclusive remedy arising from the sales . MTD two year period , normal wear part failures will be covered shall not be liable for incidental or consequential loss ONLY IF caused by defects in material or workmanship of or damages including , without limitation , expenses OTHER component parts . Normal wear parts and compo - incurred for substitute or replacement lawn care ser - nents include , but are not limited to , belts , blades , blade vices , for transportation or for related expenses , or for adapters , grass bags , rider deck wheels , seats , snow rental expenses to temporarily replace a warranted thrower skid shoes , shave plates and tires . Batteries are product . ( Some states do not allow the exclusion or limita - covered by a 90 - day limited replacement warranty . tion of incidental or consequential damages , so the above exclusion or limitation may not apply to you . ) HOW TO OBTAIN SERVICE : Warranty service is available , WITH PROOF OF PURCHASE THROUGH YOUR LOCAL In no event shall recovery of any kind be greater than the AUTHORIZED SERVICE DEALER . To locate the dealer in amount of the purchase price of the product sold . Alteration your area , please check for a listing in the Yellow Pages or of the safety features of the product shall void this War - contact the Customer Service Department of MTD PROD - ranty . You assume the risk and liability for loss , damage , or UCTS INC by calling 1 - 800 - 800 - 7310 or writing to P.O . Box injury to you and your property and / or to others and their 368022 , Cleveland , Ohio 44136 - 9722 . property arising out of the use or misuse or inability to use This limited warranty does not provide coverage in the the product . following cases : a . The engine or component parts thereof . These items This limited warranty shall not extend to anyone other than carry a separate manufacturerâs warranty . Please refer the original purchaser , original lessee or the person for to the applicable manufacturerâs warranty on these whom it was purchased as a gift . items . b . Log splitter pumps , valves and cylinders have a sepa - How State Law Relates to this Warranty : This limited rate one year warranty . warranty gives you specific legal rights , and you may also have other rights which vary from state to state .