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Operator's Manual Log Splitter Model Series 550 through 570 IMPORTANT : Read safety rules and instructions carefully before operating equipment . 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 engine's 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 LLC , P . O . BOX 361131 CLEVELAND , OHIO 44136 - 0019 PRINTED IN U . S . A . FORM NO . 770 - 10529C ( 7 / 2003 )
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TABLEOFCONTENTS 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 Storing Your Log Splitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 FINDINGMODELNUMBER This Operator's 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 . 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 : I B _ Jlh ' _ _ MTD LLC BIm B B . XlIR ! P . o . BOX 361131 lllo 4,138 eIiB ® 330 - 220 - 4683 www . mtdproducts . com 800 - 800 - 731 0 ENGINEINFORMATION The engine manufacturer is responsible for all engine - related issues with regards to performance , power - rating , specifications , warranty and service . Please refer to the engine manufacturer's Owner's / Operator's Manual packed separately with your unit for more information . CALLINGCUSTOMERSUPPORT If you have difficulty assembling this product or have any questions regarding the controls , operation or maintenance of this unit , please call 1 - ( 800 ) - 800 - 7310 to reach a Customer Support representative . Please have your unit's 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 .
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SECTION1 : IMPORTANTSAFEOPERATIONPRACTICES _ ARNING : 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 nmanualal before attempting to operate this machine . Failure to comply with these instructions may result in perso 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 the State of California to cause cancer , birth defects or other reproductive harm . DANGER : This machine was built to be operated according to the rules for safe operation in this 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 . GeneralPractices 1 . Read , understand , and follow all instructions on the 8 . If your machine is equipped with an internal combustion machine and in the manual ( s ) before attempting to engine and it is intended for use near any unimproved assemble and operate . Keep this manual in a safe place forest , brush , or grass covered land , the engine exhaust for future and regular reference and for ordering should be equipped with a spark arrester . Make sure you replacement parts . comply with applicable local , state , and federal codes . 2 . Be familiar with all controls and proper operation . Know Take appropriate firefighting equipment with you . how to stop the machine and disengage them quickly . 9 . This machine should be used for splitting wood only , do 3 . Never allow children under 16 years to operate this not use it for any other purpose . machine . Children , 16 years and over , should read and 10 . Follow the instructions in the manual ( s ) provided with any understand instructions and safety rules in this manual attachment ( s ) for this machine . and should be trained and supervised by a parent . Preparation 4 . Never allow adults to operate this machine without 1 . Always wear safety shoes or heavy boots . proper instruction . 2 . Always wear safety glasses or safety goggles during 5 . Many accidents occur when more than one person operating this machine . operates the machine . If a helper is assisting in loading 3 . Never wear jewelry or loose clothing that might become logs , never activate the control until the helper is a entangled in moving or rotating parts of the machine . minimum of 10 feet from the machine . 4 . Make sure machine is on level surface before operating . 6 . Keep bystanders , helpers , pets , and children at least 20 5 . Always block machine to prevent unintended movement , feet from the machine while it is in operation . and lock in either horizontal or vertical position . 7 . Never allow anyone to ride on this machine . 6 . Always operate this machine from the operator zone ( s ) 8 . Never transport cargo on this machine . specified in the manual . 9 . Hydraulic log splitters develop high fluid pressures during 7 . Logs should be cut with square ends prior to splitting . operation . Fluid escaping through a pin hole opening can 8 . Use log splitter in daylight or under good artificial light . penetrate your skin and cause blood poisoning , 9 . To avoid personal injury or property damage use extreme gangrene , or death . Give attention to the following care in handling gasoline . Gasoline is extremely instructions at all times : flammable and the vapors are explosive . Serious a . Do not check for leaks with your hand . personal injury can occur when gasoline is spilled on b . Do not operate machine with frayed , kinked , yourself or your clothes which can ignite . Wash your skin cracked , or damaged hoses , fitting , or tubing . and change immediately . c . Stop the engine and relieve hydraulic system a . Use only an approved gasoline container . pressure before changing or adjusting fittings , b . Extinguish all cigarettes , cigars , pipes , and other hoses , tubing , or other system components . sources of ignition . d . Do not adjust the pressure settings of the pump or c . Neverfuel machine indoors . valve . d . Never remove gas cap or add fuel while the 5 . Leaks can be detected by passing cardboard or wood , engine is hot or running . while wearing protective gloves and safety glasses , over e . Allow engine to cool at least two minutes before the suspected area . Look for discoloration of cardboard refueling . or wood . f . Never overfill the fuel tank . Fill tank to no more 6 . If injured by escaping fluid , see a doctor immediately . than 1 / 2 inch below bottom of filler neck to provide Serious infection or reaction can develop if proper space for fuel expansion . medical treatment is not administered immediately . g . Replace gasoline cap and tighten securely . 7 . Keep the operator zone and adjacent area clear for safe , h . If gasoline is spilled , wipe it off the engine and secure footing .
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equipmenmt , ovemachintoeanothearreaW . ai5t MaintenanceandStorage minutebseforestartintgheengine . 1 . Stop the engine , disconnect the spark plug and ground it i . hNevesrtorethemachinoerfuelcontaineinrsidet against the engine before cleaning , or inspecting the wherethereisanopenflames , parkorpilotlig machine . asonawatehr eatesr , paceheatefru , rnace , 2 . Stop the engine and relieve hydraulic system pressure clothedsryeorrothegrasappliances . before repairing or adjusting fittings , hoses , tubing , or j . Allowmachinteocoo5l minutebseforsetoring . other system components . 3 . To prevent fires , clean debris and chaff from the engine Operation and muffler areas . If the engine is equipped with a spark 1 . Before starting this machine , review the " Safety arrester muffler , clean and inspect it regularly according Instructions " . Failure to follow these rules may result in to manufacturers instructions . Replace if damaged . serious injury to the operator or bystanders . 4 . Periodically check that all nuts and bolts , hose clamps , 2 . Never leave this machine unattended with the engine and hydraulic fittings are tight to be sure equipment is in running . safe working condition . 3 . Do not operate machine while under the influence of 5 . Check all safety guards and shields to be sure they are in alcohol , drugs , or medication . the proper position . Never operate with safety guards , 4 . Never allow anyone to operate this machine without shields , or other protective features removed . proper instruction . 6 . The pressure relief valve is preset at the factory . Do not 5 . Always operate this machine with all safety equipment in adjust the valve . place and working . Make sure all controls are properly 7 . Never attempt to move this machine over hilly or uneven adjusted for safe operation . terrain without a tow vehicle or adequate help . 6 . Do not change the engine governor settings or 8 . For your safety , replace all damaged or worn parts overspeed the engine . The governor controls the immediately with original equipment manufacturer's maximum safe operating speed of the engine . ( O . E . M . ) parts only . " Use of parts which do not meet the 7 . When loading a log , always place your hands on the original equipment specifications may lead to improper sides of the log , not on the ends , and never use your foot performance and compromise safetyP to help stabilize a log . Failure to do so , may result in 9 . Do not alter this machine in any manner , alterations such crushed or amputated fingers , toes , hand , or foot . as attaching a rope or extension to the control handle , or 8 . Use only your hand to operate the controls . adding to the width or height of the wedge may result in 9 . Never attempt to split more than one log at a time unless personal injury . the ram has fully extended and a second log is needed to complete the separation of the first log . YourResponsibility 10 . For logs which are not cut square , the least square end Restrict the use of this power machine to persons who read , and the longest portion of the log should be placed understand and follow the warnings and instructions in this toward the beam and wedge , and the square end placed manual and on the machine . Some of the safety labels are toward the end plate . reproduced here . Always follow directions on safety labels 11 . When splitting in the vertical position , stabilize the log found on your equipment . before moving the control . Split as follows : a . Place log on the end plate and turn until it leans against the beam and is stable . b . When splitting extra large or uneven logs , the log must be stabilized with wooden shims or split wood between the log and end plate or ground . 12 . Always keep fingers away from any cracks that open in the log while splitting . They can quickly close and pinch or amputate your fingers . 13 . Keep your work area clean . Immediately remove split wood around the machine so you do not stumble over it . 14 . Never move this machine while the engine is running . 15 . This machine should not be towed on any street , highway or public road without checking the existing federal , state , or local vehicle requirements . Any licensing or modifications such as taillights , etc . , needed to comply , is the sole responsibility of the purchaser . If a " Statement of Origin " is required in your state , see your local dealer . 16 . Do not tow machine faster than 45mph . 17 . See Transporting the Log Splitter section in this manual X XXX for proper towing instructions once all federal , local , or state requirements are met .
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SECTION2 : ASSEMBLINGYOURLOGSPLITTER AttachingtheTongue UnpackingfromCrate • With the log splitter still standing upright , remove • Pry top , sides , and ends off the crate . Set panels two hex bolts , lock washers , and hex nuts from the aside to avoid tire puncture or personal injury . end of the tongue . See Figure 1 . • Remove and discard plastic bag that covers unit . • Align the holes in the tongue with the holes in the • Remove any loose parts if included with unit ( i . e . , tank bracket and secure with hardware just operator's manual , etc . ) removed . See Figure 1 . • Cut and remove straps which secure parts to bottom of crate . Unbolt any remaining parts which NOTE : High pressure hose must be above the tongue may be bolted to the bottom of the crate . assembly . WARNING : Use extreme caution unpacking ConnectingCylinderto Beam very _ lk , this machine . Some components are • The log splitter is shipped with the beam in the heavy and will require additional people or vertical position . Pull out the vertical lock beam , mechanical handling equipment . rotate it back , and pivot the beam to the horizontal LoosePartsIn Carton position until it locks . See Figure 2 . • Tongue assembly • Bottle of engine oil • Tail light kit ( optional ) BeforeAssembly Vertical • Disconnect the spark plug wire and ground against Lock Beam 3m the engine to prevent unintended starting . NOTE : Reference to right or left hand side of the log splitter is observed from the operating position . AssemblingtheTongue AttachingtheJack Stand • The jack stand is shipped in the transport position . Remove the spring clip and clevis pin and pivot the jack stand towards the ground to the operating Figure 2 position . Disconnect the dislodger from the beam weld • Secure the jack stand in position with the clevis pin bracket by removing the six hex screws and flat and spring clip . See Figure 1 . washers . See Figure 3 . Clip Hex Screw Flat Washe Bracket Lock Clevis Washer _ ' _ Dislodger Pin Hex Nut Jack Stand Bracket Washer Hex Bolt Figure 1 Figure 3
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Disconnect the log cradle from the beam on the PreparingtheLog Splitter side of the control valve . See Figure 4 . • Lubricate the beam area ( where the splitting wedge will slide ) with engine oil ; do not use grease . • Remove vented reservoir dipstick , which is located in front of the engine on top of the reservoir tank . See Figure 6 . Lock • Fill the reservoir tank with Dexron III automatic Washer transmission fluid or 10W AW hydraulic fluid . NOTE : The reservoir tank has a capacity of 3.5 gallons . Check fluid level using the dipstick . See Figure 6 . Do not overfill . Replace vented dipstick securely , tightening it until the top of the threads are flush with top of the pipe . Dipstick Hex Bolt Log Cradle Figure 4 Lift and slide the cylinder up to the top of beam and into the weld brackets . Attach the dislodger over the wedge assembly and secure with hardware , previously removed , to the weld brackets . See Figure 5 . Reservoir Tank NOTE : Once the six hex screws are tightened , there may be a slight gap between the dislodger and the weld Figure 6 brackets . This gap is normal . • Make sure the spark plug wire is disconnected . • Reattach the log cradle to the side of the beam with Then prime the pump by pulling the recoil starter as the control valve , aligning the ends of the cradle far as it will go . Repeat approximately 10 times . with the beam flanges . See Figure 5 . • Reconnect the spark plug wire and start engine • Roll log splitter off the bottom crate . following instructions in the OPERATION section . • Use control handle to engage the wedge to the farthest extended position . Then retract the wedge . • Refill tank as specified on the dipstick . NOTE : Failure to refill the tank will void unit's warranty . • Extend and retract the wedge 12 complete cycles to remove trapped air in the system ( the system is " self - bleeding " ) . • Refill reservoir within range marked on the dipstick . WARNING : Much of the original fluid has _ L been drawn into the cylinder and hoses . Make certain to refill the reservoir to prevent damage to the hydraulic pump . NOTE : Some fluid may overflow from the vent plug as the system builds heat and the fluid expands and seeks a balanced level . cradle here • If your log splitter is so equipped , attach taillights following the taillight kit manual . Figure 5
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SECTION3 : KNOWYOURLOGSPLITTER Compare the illustration in Figure 7 below with the controls on your log splitter , and get familiar with its features before starting to operate . Know how to stop the machine quickly in the event of an emergency . How it works Cylinder I Reverse _ " Control Handle / _ ( Automatic ) lTo return J Log 0 : / . / , _ / weage Neutral I To stop ' I - - _ ' - Control I wedge I _ Handle / I \ \ Forward L - - - - , v TOsplit ( Manual ) wood Jack StanloriZmOn _ _ _ / 1 Ic ° gCradle IVerticalBeam Lock ReLe , rvoir Tank Lock _ Tail Light Horizontal Vertical Beam Lock Beam Lock Figure 7 ControlHandle EngineControls The control handle has three positions . See Figure 7 . See the accompanying engine manual for the location • FORWARD : Move control handle FORWARD or and function of the controls on the engine . DOWN to move wedge to split wood . NOTE : Control handle will return to neutral position as StoppingEngine soon as handle is released . ( Forward Position only ) • Move throttle control handle to STOP or OFF • NEUTRAL : Release the control handle or move position . the lever to neutral position to stop the wedge • Turn off the engine switch , if so equipped . movement . • Disconnect spark plug wire and ground against the • REVERSE : Move control handle BACK or UP to engine to prevent unintended starting . return the wedge toward the cylinder . The control IMPORTANT : This unit is shipped without gasoline or oil handle stays in the return ( Reverse ) position and returns to neutral automatically when fully in the engine . Be certain to service engine with gasoline retracted . and oil as instructed in the accompanying engine manual before operating your machine . NOTE : Reverse position may also be operated back to neutral position manually , if necessary . BeamLocks These two locks , as their name suggests , are used to secure the beam in the horizontal or the vertical position . The vertical beam lock is located next to the oil filter . The horizontal beam lock is located on the beam support latch bracket . See Figure 7 .
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SECTION4 : OPERATINGYOURLOGSPLITTER • Check engine oil level . Refill if necessary . • Fill up gasoline if necessary . WARNING : Read , understand , and follow all • Lubricate with engine oil the beam area where instructions and warnings on the machine and in this manual before operating . splitting wedge will slide . Do not use grease to lubricate . Make sure to lubricate both the front and WARNING : Wear leather work gloves , the back of the beam face . safety shoes , ear protection , and safety • Attach spark plug wire to the spark plug . glasses when operating a log splitter . Ensure safe footing . Usingthe LogSplitter • Place the log splitter on level , dry ground . GasandOilFill - Up • Place the beam in either the horizontal or vertical • Service the engine with gasoline and oil as position and lock in place with the appropriate instructed in the engine manual packed with your locking rod . log splitter . Read instructions carefully . • Block the front and back of both wheels . • Place the log against the end plate and only split WARNING : Use extreme care when wood in the direction of the grain . handling gasoline . Gasoline is eextremely . • To stabilize the log , place your hand only on sides flammable and the vapors are explosiv Never of log . Never place hand on the end between the fuel machine indoors or while the engine is hot log and the splitting wedge . or running . • Only one adult should stabilize the log and operate NOTE : Gasoline can be added to the engine when the the control handle , so the operator has full control log splitter is in either the horizontal or vertical position . over the log and the splitting wedge . However , there are less obstructions when the unit is in ControlHandle the vertical position . 1 . Move control handle FORWARD or DOWN to split wood . StartingEngine 2 . Release the control handle to stop the wedge • Attach spark plug wire to spark plug . Make certain movement . the metal cap on the end of the spark plug wire is 3 . Move control handle BACK or UP to return the fastened securely over metal tip of the spark plug . wedge . • Turn fuel valve , if equipped , to the ON position . LogDislodger • Move choke lever , if equipped , to CHOKE position . • The log dislodger is designed to remove any • Ifthe engine is equipped with a primer , follow partially split wood from the wedge . This may occur instructions in the engine manual to prime it . • Turn the throttle control handle to the FAST while splitting large diameter wood or freshly cut wood . position . • Grasp starter handle and pull rope out slowly until WARNING : Never remove partially split engine reaches start of compression cycle ( rope wood from the wedge with your hands . Fingers will pull slightly harder at this point ) . may become trapped between split wood . • Pull rope with a rapid , full arm stroke . Keep firm grip on starter handle . Let rope rewind slowly . Repeat • To remove partially split wood from wedge , move until engine cranks . control handle to REVERSE position until wedge is • After engine starts , move choke lever to OFF fully retracted to allow split wood portion to contact position . Place throttle lever to the speed desired . the log dislodger . • In cold weather , run wedge up or down beam 6 to 8 • Once removed from wedge with log dislodger , split times to circulate the hydraulic fluid . wood from opposite end or in another location . VerticalPosition _ WARNING : When starting a warm engine , • Pull the horizontal beam lock out to release the _ L the muffler and surrounding areas are hot and can cause a burn . Do not touch . beam and pivot the beam to the vertical position . • To lock the beam in the vertical position , pull out on the vertical beam lock and rotate it to secure the BeforeEachUse beam . See Figure 7 . • Remove the dipstick and check hydraulic fluid level . Refill if necessary .
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• Standinfrontoftheunittooperatethecontrol . RaisingandLoweringBeam handleandtostabilizethelog . SeeFigure8A • Use control handle to run wedge up and down A beam 6 to 8 times to circulate the hydraulic fluid , which will warm and thin the fluid . • Place log splitter on a firm , level surface . • To raise the beam for vertical operation : Pull out the vertical beam lock on the tongue . • Pivot beam lock down to release the beam . • Move the beam to the vertical position . Secure it with the beam lock on the reservoir tank assembly . _ WARNING : Always use the log splitter in the _ vertical position when splitting heavy logs . B To lower the beam : Pull out the horizontal beam lock on the reservoir tank . Figure 8 Pivot beam lock down to release the beam . HorizontalPesitien Carefully pull back on beam and lower it to the • Pull the vertical beam lock out and rotate it down . horizontal position . The horizontal beam lock will See Figure 7 . Pivot beam to the horizontal position . lock automatically . See Figure 7 . The beam will lock automatically in horizontal position . Transportingthe LogSplitter • Stand behind the reservoir tank to operate control handle and to stabilize the log . See Figure 8B . IMPORTANT : Always turn fuel valve to OFF position before transporting the log splitter . OperatingTips • Lower the beam to its horizontal position . Make certain the beam is locked securely with the Always : horizontal beam lock . 1 . Use clean fluid and check fluid level regularly . • Remove spring clip and clevis pin from jack stand . 2 . Use Dexron III Automatic Transmission Fluid or • Support the tongue and pivot the jack stand up 10W AW hydraulic fluid . against the tongue . See Figure 9 . 3 . Use a filter ( clean or replace regularly ) 4 . Use a breather cap on fluid reservoir . Tongue Clevis Pin _ 5 . Make sure pump is mounted and aligned properly . Assembly Spring , _ I 6 . Use a flexible " spider " type coupling between engine and pump drive shafts . 7 . Keep hoses clear and unblocked . 8 . Bleed air out of hoses before operating . 9 . Flush and clean hydraulic system before restarting after servicing . 10 . Use " pipe dope " on all hydraulic fittings . 11 . Allow time for warm - up before splitting wood . Jack Stand 12 . Prime the pump before initial start - up by turning over the engine with spark plug disconnected . 13 . Split wood along the grain ( lengthwise ) only . Figure 9 Never : • Secure with the spring clip and clevis pin previously 1 . Use when fluid is below 20 ° F or above 150 ° F . removed . See Figure 9 . 2 . Use a solid engine / pump coupling . • Attach coupler hitch to a class I or higher 1 - 7 / 8 " ball 3 . Operate through relief valve for long . on a towing vehicle ; latch securely . 4 . Attempt to adjust unloading or relief valve settings a . If coupler hitch does not fit on ball : Turn without pressure gauges . adjustment nut one turn counter - clockwise . 5 . Operate with air in hydraulic system . b . If coupler hitch is too loose on ball : Turn 6 . Use teflon tape on hydraulic fittings . adjustment nut one turn clockwise . 7 . Attempt to cut wood across the grain . • Connect the safety chains to the towing vehicle . 8 . Attempt to remove partially split wood from the • Plug in the tail lights , if so equipped , to the tail light wedge with your hands . Fully retract wedge to connector on the tow vehicle . dislodge wood with log dislodger .
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NOTE : Use caution when backing up . It WARNING : Do not tow faster than 45mph recommended to use a spotter outside the vehicle . and check local , state , and nfederaly requirements before towing on a public road . SECTION5 : ADJUSTINGYOURLOGSPLITTER NOTE : The gibs may be rotated and / or turned over for even wear . any any _ WARNING : Do not at time make adjustments without first stopping engine , • Loosen the lock nuts under the each back plate and disconnecting spark plug wire , and grounding it slide the gibs out . against the engine . • Turn or replace the gibs . • Reassemble the back plate and secure with the WedgeAssemblyAdjustment lock washers and lock nuts . As normal wear occurs and there is excessive " play " • Readjust the bolts on the side of the wedge between the wedge and beam , adjust the bolts on the assembly . side of the wedge assembly to eliminate excess space between the wedge and the beam . See Figure 10 . Adjustment Bolt • Loosen the jam nuts on the two adjustment bolts on the side of the wedge . Turn the adjustment bolts in until snug and then back them off slowly until the wedge assembly will slide on the beam . ibs • Tighten the jam nuts securely against the side of the wedge to hold the adjustment bolts in this Jam Nut ' , _ . _ ' , _ position . GibAdjustment Lock N Periodically remove and replace the " gibs " ( spacers ) k Washer between the wedge assembly and the back plate . See Figure 10 . Figure 10 SECTION6 : MAINTAININGYOURLOGSPLITTER 7 . Improper adjustment of splitting wedge 8 . Excessive heating of the hydraulic system d _ l WARNING : Before cleaning , lubricating , 9 . Attempting to start unit in temperatures under 20 ° F repairing , or inspecting , disengage the controlk handle and stop engine . Disconnect the spar without pre - heating fluid in reservoir plug wire and ground it against the engine to 10 . Unattended leaks in hydraulic system prevent unintended starting . HydraulicFluid Conditionsthatwill voidWarranty • Check the hydraulic fluid level in the log splitter reservoir tank before each use . 1 . Failure to maintain proper fluid level in reservoir 2 . Changing the relief valve setting or pressure • Maintain fluid level within the range specified on the adjustment of control valve without proper dipstick at all times . knowledge and instruction from the factory • Change the hydraulic fluid in the reservoir every 100 hours of operation . WARNING : Higher pressure could cause • Disconnect the suction hose from the bottom of the , _ , the hoses to burst , cylinder to rupture , andresult reservoir tank and drain the fluid into a suitable intense fluid to be released , which could container . Refill using only Dexron III automatic in serious personal injury . transmission fluid or 10W AW hydraulic fluid . 3 . Disassembling the pump NOTE : Please dispose of used hydraulic fluid and 4 . Use of incorrect hydraulic fluid engine oil at approved recycling centers only . 5 . Allowing the flexible pump coupler to deteriorate • Since contaminants in fluid may damage the without proper and regular inspection hydraulic components , you will have to drain the 6 . Lack of lubrication or improper lubrication of the fluid and flush the reservoir tank and hoses with beam or unit 10
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kerosene whenever any repair work is performed • Loosen set screw on pump coupling half and on the tank , hydraulic pump or valve . For this job , remove coupling half . contact your nearest service dealer . • Slide new engine coupling half onto the engine shaft until the end of the shaft is flush with the inner HydraulicFilter portion of the coupling half . ( There must be space • Change the hydraulic filter every 50 hours of between end of the engine support bracket and operation . Use only a 10 micron hydraulic filter . coupling half ) . Tighten set screw . Order part number 723 - 0405 . • Install pump coupling half and key on pump shaft . Rotate coupling half until set screw faces opening BeamandSplittingWedge in shield . Do not tighten set screw . • Lubricate both sides of the beam ( where it comes • Install nylon " spider " onto engine coupling half . into contact with the splitting wedge ) , before each • Align pump coupling half with nylon " spider " by use , with engine oil . The wedge plate on the log rotating engine using starter handle . Slide coupling splitter is designed so the gibs on the side of the half into place while guiding three mounting bolts wedge plate can be removed and rotated and / or through holes in pump support bracket . turned over for even wear . • Secure with nuts and washers removed earlier . • Make certain to readjust the adjustment bolts so • Set . 010 " to . 060 " clearance between the nylon wedge moves freely , but no excess space exists " spider " and the engine coupling half by sliding a between the wedge plate and the beam . matchbook cover between the nylon " spider " and the engine coupling half and moving pump coupling HoseClamps half as needed . Secure pump coupling half with set screw . See Figure 11 . • Check , before each use , if hose clamps on the suction hose ( attached to the side of the pump ) are NOTE : Make certain proper clearance is obtained tight . Check the hose clamps on the return hose at before tightening set screw . least once a season . Gear Pump Engine Set Refer to the engine manual for all maintenance needs . Sc : e : _ _ r _ _ _ Steel FlexiblePumpCoupler " S ; ider " - - - - . _ _ _ Coupling The flexible pump coupler is a nylon " spider " insert , located between the pump and the engine shaft . Over Insert _ Halves time , the coupler will harden and deteriorate . Replace the coupler if you detect vibration or noise coming from the area between the engine and the Clearance _ pump . If the coupler fails completely , you will experience a loss of power . Figure 11 IMPORTANT : Never hit the engine shaft in any manner , as a blow will cause permanent damage to the engine . Tires • Remove three nuts and lock washers that secure See sidewall of tire for recommended pressure . the pump to the coupling shield . Two nuts are at the Maximum tire pressure under any circumstances is 30 bottom corners and one is in the top center . p . s . i . Maintain equal pressure on all tires . • Remove the pump . • Rotate the engine by slowly pulling starter handle WARNING : Excessive pressure ( over 30 until engine coupling half set screw is visible . may _ , p . s . i . ) when seating beads cause tire / rimause Loosen set screw using allen wrench and slide assembly to burst with force sufficient to c coupling half off engine shaft . serious injury . 11
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SECTION7 : STORINGYOURLOGSPLITTER Prepare your log splitter for storage at the end of the • Drain fuel tank . Always drain fuel into approved season or if the log splitter will not be used for 30 days container outdoors , away from open flame . Be sure or more . that engine is cool before draining the fuel . Do not smoke while handling fuel . WARNING : Never store machine with fuel • Start the engine and let it run until the fuel lines and in the fuel tank inside of building where fumes carburetor are empty . may reach an open flame or spark , or where • Remove spark plug . Holding a rag over the cylinder ignition sources are present such as hot water hole , pour approximately 1 / 2 ounce ( approximately and space heaters , furnaces , clothes dryers , one tablespoon ) of engine oil into cylinder and stoves , electric motors , etc . crank slowly to distribute the oil . • Replace spark plug . • Clean the log splitter thoroughly . • Do not store gasoline from one season to another . NOTE : We do not recommend the use of pressure • Replace your gasoline can if it starts to rust . Rust washers or garden hose to clean your unit . They may and / or dirt in the gasoline will cause problems . cause damage to electric components , spindles , • Store unit in a clean , dry area . Do not store next to pulleys , bearings or the engine . The use of water will corrosive materials , such as fertilizer . result in shortened life and reduce serviceability . NOTE : If storing in an unventilated or metal storage • Wipe unit with an oiled rag to prevent rust , shed , be certain to rustproof the equipment by coating especially on the wedge and the beam . with a light oil or silicone . SECTION8 : 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 handle not in correct 3 . Move throttle lever to FAST position . starting position . 4 . Choke , if equipped , not in CHOKE 4 . Move choke to CHOKE position . position . 5 . Engine ( if equipped with a primer ) 5 . Prime engine . not primed properly . 6 . Blocked fuel line . 6 . Clean fuel line . 7 . Faulty spark plug . 7 . 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 , if so 2 . Move choke lever to OFF position . equipped . 3 . Blocked fuel line or stale fuel . 3 . Clean fuel line ; fill tank with clean , fresh gasoline 4 . Drain fuel tank . Refill with fresh fuel . 4 . Water or dirt in fuel system . 5 . Dirty air cleaner . 5 . Clean or replace air cleaner . 6 . See authorized service dealer . 6 . Carburetor out of adjustment . Engine overheats 1 . Engine oil level low . 1 . Fill crankcase with proper oil . 2 . Dirty air cleaner . 2 . Clean or replace air cleaner . 3 . See authorized service dealer . 3 . Carburetor not adjusted properly . NOTE : For repairs beyond those listed above , contact your nearest authorized service center . 12
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HydraulicTroubleshooting Problem Cause Remedy 1 . Broken drive shaft . 1 . See authorized service dealer . Cylinder rod will not move 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 operator's manual for correct properly . adjustment . 4 . Loose shaft coupling . 4 . Correct engine / pump alignment as necessary . 5 . See authorized service dealer . 5 . Gear sections damaged . 6 . See authorized service dealer . 6 . Damaged relief valve . 7 . Hydraulic lines blocked . 7 . Flush and clean hydraulic system . 8 . Incorrect oil level . 8 . Check oil level . 9 . See authorized service dealer . 9 . Damaged directional valve . 10 . Blocked directional valve . 10 . Flush and clean hydraulic system . 1 . See authorized service dealer . Slow cylinder shaft speed 1 . Gear sections damaged . while extending and 2 . Excessive pump inlet vacuum . 2 . Make certain pump inlet hoses are clear retracting . and unblocked - use short , large diameter inlet hoses . 3 . See authorized service dealer . 3 . Slow engine speed . 4 . See authorized service dealer . 4 . Damaged relief valve . 5 . Check oil level . 5 . Incorrect oil level . 6 . Contaminated oil . 6 . Drain oil , clean reservoir , and refill . 7 . See authorized service dealer . 7 . Directional valve leaking internally . 8 . See authorized service dealer . 8 . Internally damaged cylinder . 1 . Broken seals . 1 . See authorized service dealer . Leaking cylinder 2 . See authorized service dealer . 2 . Scored cylinder . 1 . See authorized service dealer . 1 . Small gear section damaged . Engine runs but wood will 2 . See authorized service dealer . not split or wood splits too 2 . Pump check valve leaking . slowly 3 . Excessive pump inlet vacuum . 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 . See authorized service dealer . 6 . Directional valve leaking internally . 7 . Overloaded cylinder . 7 . Do not attempt to split wood against the grain . 8 . See authorized service dealer . 8 . Internally damaged cylinder . 1 . See authorized service dealer . Engine stalls during 1 . Low horsepower / weak engine . splitting 2 . Overloaded cylinder . 2 . Do not attempt to split wood against the grain or see authorized service dealer . 1 . Correct alignment as necessary . Engine will not turn or 1 . Engine / pump misalignment . stalls under low load 2 . See authorized service dealer . 2 . Frozen or seized pump . conditions 3 . See authorized service dealer . 3 . Low horsepower / weak engine . 4 . Hydraulic lines blocked . 4 . Flush and clean hydraulic system . 5 . Blocked directional valve . 5 . Flush and clean hydraulic system . 1 . Broken drive shaft . 1 . See authorized service dealer . Leaking pump shaft seal 2 . Engine / pump misalignment . 2 . Correct alignment as necessary . 3 . See authorized service dealer . 3 . Gear sections damaged . 4 . See authorized service dealer . 4 . Poorly positioned shaft seal . 5 . Plugged oil breather . 5 . Make certain reservoir is properly vented . NOTE : For repairs beyond those listed here , contact your nearest authorized service center . 13
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SECTION9 : PARTSLISTFORMODELSERIES550 THROUGH570 1 29 16 28 \ 31 30 26 B 34 C A 70 _ 44 45 69 . / 82 14
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ModelSeries550through570 Ref . Ref . PaN No . PaN No . Part Description Part Description No . No . 1 . 718 - 0769 43 . 781 - 0682 Hydraulic Cylinder Log Tray 2 . 727 - 0634 44 . 781 - 0686 Hydraulic Tube Log Tray Bracket 3 . 710 - 1018 45 . 681 - 0161 Hex Cap Screw 1 / 2 - 20 x 2.75 Frame Assembly 4 . 737 - 0192 46 . 726 - 0214 90 Degree Solid Adapter Push Cap 5 . 781 - 0526 Hose Guard 47 . 732 - 0583 Compression Spring 6 . 737 - 0153 Return Elbow 48 . 710 - 0521 Hex Bolt 3 / 8 - 16 x 3 " 7 . 718 - 0481 Control Valve 49 . 781 - 0690 Lock Rod 8 . 781 - 0538 Hose Guard 50 . 737 - 0348A Vented Dipstick 9 . 710 - 0515 51 . 710 - 1338 Hex Screw 5 / 16 - 24 x 3.25 Hex Cap Screw 1 / 2 - 20 x 3.50 10 . 719 - 0550 52 . 710 - 0654A Hex Washer Screw 3 / 8 - 16 x 1.0 Wedge Assembly 11 . 737 - 0238 53 . 634 - 0186 Nipple Pipe 1 / 2 - 14 Wheel Assembly 12 . 712 - 0239 Lock Nut 1 / 2 - 20 54 . 712 - 0359 Slotted Nut 3 / 4 - 16 13 . 712 - 0711 Hex Jam Nut 3 / 8 - 24 55 . 714 - 0162 Cotter Pin 14 . 710 - 0459A 56 . 734 - 0873 Hub Cap Hex Cap Screw 3 / 8 - 24 x 1.5 15 . 781 - 0351 57 . 719 - 0353 Adjustable Gib Coupling Shield 16 . 710 - 1260A Hex Washer Screw 5 / 16 - 18 x . 75 58 . 714 - 0122 Square Key 3 / 16 " x . 75 17 . 781 - 1054 59 . 718 - 0686 Support Bracket Flexible Coupling 18 . 681 - 0162 60 . 712 - 0123 Hex Nut 5 / 16 - 24 Beam Assembly 19 . 736 - 0300 Flat Washer . 406 ID x . 875 OD 61 . 736 - 0119 Lock Washer 5 / 16 " ID 20 . 710 - 0654A Hex Washer Screw 3 / 8 - 16 x 1.0 62 . 781 - 0097 Rear Coupling Support Bracket 21 . 781 - 1048 63 . 727 - 0633 Hose Dislodger 22 . 781 - 0790 Back Plate 64 . 718 - 0683 Gear Pump ( 1 lgpm ) 23 . 736 - 0921 Lock Washer 1 / 2 65 . 737 - 0329 45 Degree Elbow 24 . 737 - 0312 66 . 727 - 0502 Adapter 3 / 4 - 14 High Pressure Hydraulic Hose 25 . 727 - 0443 67 . 781 - 0788 Return Hose 3 / 4 " ID x 44 " Lg . Tongue Tube Assembly 26 . 726 - 0132 68 . 747 - 1261 Latch Rod Hose Clamp 5 / 8 " 27 . 737 - 0316 69 . 781 - 1045 Latch Filter Housing 28 . 731 - 2496 Fender : Plastic 70 . 715 - 0120 Spiral Pin 731 - 2499 71 . 732 - 3127 Fender : Steel ( MTD Red ) Spring Compression 29 . 710 - 1238 Hex Washer Screw 5 / 16 - 18 x . 875 72 . 736 - 0169 L - Washer 3 / 8 " 30 . 712 - 3010 Hex Nut 5 / 16 - 18 74 . 710 - 0944 Hex Cap Screw 3 / 8 - 16 x 4.25 31 . 736 - 0119 Lock Washer 5 / 16 75 . 736 - 0262 Flat Washer . 385 ID x . 870 OD 32 . 781 - 1024 76 . 713 - 0433 Chain Fender Mounting Bracket 33 . 723 - 0405 Oil Filter 77 . 750 - 0497 Spacer . 375 ID x . 625 OD 34 . 710 - 0376 78 . 727 - 0311 Hex Cap Screw 5 / 16 - 18 x 1.0 1 " Coupling Hitch 35 . 781 - 1026 79 . 712 - 0375 Hex Lock Nut 3 / 8 - 16 Light Bracket LH 1 - 36 . 625 - 0062 80 . 711 - 0813 Clevis Pin Taillight 1 - 37 . 711 - 1587 Clevis Pin 81 . 736 - 0185 Flat Washer . 375 ID x . 738 OD 38 . 736 - 0116 Flat Washer . 635 ID x . 93 OD 82 . 732 - 0194 Spring Pin 39 . 714 - 0470 Cotter Pin 83 . 781 - 0789 Jack Stand 40 . 781 - 1027 84 . 736 - 0351 Flat Washer . 760 ID x . 500 OD Light Bracket RH 1 - 41 . 710 - 3097 85 . 736 - 0371 Flat Washer Carriage Bolt 3 / 8 - 16 x 1.0 42 . 712 - 0798 Hex Nut 3 / 8 - 16 1 - 1fequipped 15
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MANUFACTURER'S LIMITED WARRANTY FOR : The limited warranty set forth below is given by MTD LLC with d . MTD does not extend any warranty for products sold or respect to new merchandise purchased and used in the exported outside of the United States , its possessions United States , its possessions and territories . and territories , except those sold through MTD's authorized channels of export distribution . " MTD " warrants this product against defects in material and e . Replacement parts that are not genuine MTD parts . workmanship for a period of two ( 2 ) years commencing on the f . Service completed by someone other than an date of original purchase and will , at its option , repair or authorized service dealer . replace , free of charge , any part found to be defective in g . Transportation charges and service calls . materials or workmanship . This limited warranty shall only apply if this product has been operated and maintained in No implied warranty , including any implied warranty of accordance with the Operator's Manual furnished with the merchantability of fitness for a particular purpose , product , and has not been subject to misuse , abuse , applies after the applicable period of express written commercial use , neglect , accident , improper maintenance , warranty above as to the parts as identified . No other alteration , vandalism , theft , fire , water , or damage because of express warranty , whether written or oral , except as other peril or natural disaster . Damage resulting from the mentioned above , given by any person or entity , installation or use of any part , accessory or attachment not including a dealer or retailer , with respect to any product , approved by MTD for use with the product ( s ) covered by this shall bind MTD . During the period of the warranty , the manual will void your warranty as to any resulting damage . exclusive remedy is repair or replacement of the product as set forth above . Normal wear parts or components thereof are subject to separate terms as follows : All normal wear parts or The provisions as set forth in this warranty provide the component failures will be covered on the product for a period sole and exclusive remedy arising from the sale . MTD of 90 days regardless of cause . After 90 days , but within the shall not be liable for incidental or consequential loss or two year period , normal wear part failures will be covered damage including , without limitation , expenses incurred ONLY IF caused by defects in materials or workmanship of for substitute or replacement lawn care services or for OTHER component parts . Normal wear parts and rental expenses to temporarily replace a warranted components include , but are not limited to : batteries , belts , product . blades , blade adapters , grass bags , rider deck wheels , seats , Some states do not allow the exclusion or limitation of snow thrower skid shoes , shave plates , auger spiral rubber , incidental or consequential damages , or limitations on how and tires . long an implied warranty lasts , so the above exclusions or HOW TO OBTAIN SERVICE : Warranty service is available , limitations may not apply to you . WITH PROOF OF PURCHASE , through your local authorized In no event shall recovery of any kind be greater than the service dealer . To locate the dealer in your area , check your amount of the purchase price of the product sold . Alteration Yellow Pages , or contact MTD LLC at P . O . Box 361131 , of safety features of the product shall void this warranty . Cleveland , Ohio 44136 - 0019 , or call 1 - 800 - 800 - 7310 or 1 - You assume the risk and liability for loss , damage , or injury to 330 - 220 - 4683 or log on to our Web site at you and your property and / or to others and their property www . mtdproducts . com . arising out of the misuse or inability to use the product . This limited warranty does not provide coverage in the This limited warranty shall not extend to anyone other than the following cases : original purchaser or to the person for whom it was purchased a . The engine or component parts thereof . These items as a gift . may carry a separate manufacturer's warranty . Refer HOW STATE LAW RELATES TO THIS WARRANTY : This to applicable manufacturer's warranty for terms and limited warranty gives you specific legal rights , and you may conditions . also have other rights which vary from state to state . b . Log splitter pumps , valves , and cylinders have a separate one year warranty . C . Routine maintenance items such as lubricants , filters , blade sharpening , tune - ups , brake adjustments , clutch adjustments , deck adjustments , and normal deterioration of the exterior finish due to use or exposure . IMPORTANT : Owner must present Original Proof of Purchase to obtain warranty coverage . MTD LLC , P . O . BOX361131CLEVELAND , OHIO44136 - 0019 ; Phone : 1 - 800 - 800 - 7310,1 - 330 - 220 - 4683
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