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Operator’s Manual Log Splitter Model 510 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 . 769 - 01689 FORM NO . ( 5 / 2 / 2005 )
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Table of Contents Content Page Content Page Important Safe Operation Practices 3 Maintaining Your Log Splitter 10 Assembling Your Log Splitter 5 Storing Your Log Splitter 12 Know Your Log Splitter 7 Trouble Shooting 12 Operating Your Log Splitter 8 Illustrated Parts List 14 Adjusting Your Log Splitter 10 Warranty Back Cover Finding Model Number 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 . A sample model plate is also given below . You can locate the model plate by standing behind the unit and looking down at the hydraulic tank . This information will be necessary to use the manufacturer’s web site and / or help from the Customer Support Department or an authorized service dealer . Copy the model number here : Copy the serial number here : MTD LLC P . O . BOX 361131 CLEVELAND , OH 44136 www.whiteoutdoor.com DEALER LOCATOR PHONE NUMBER : 800 - 949 - 4483 Customer Support If you have difficulty assembling this product or have any questions regarding the controls , operation or maintenance of this unit , you can seek help from the experts . To reach a local White Outdoor dealer or retailer , visit www.whiteoutdoor.com or or phone our Dealer Locator line at ( 800 ) - 949 - 4483 The engine manufacturer is responsible for all engine - related issues with regards to performance , Engine power - rating , specifications , warranty and service . Please refer to the engine manufacturer’s Owner’s / Manual Operator’s Manual , packed separately with your unit , for more information . 2
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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 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 . General Practices 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 . Never fuel 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 , secure footing . 3
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h . If gasoline is spilled , wipe it off the engine and 14 . Never move this machine while the engine is running . equipment . move machine to another area . Wait 5 15 . This machine should not be towed on any street , highway minutes before starting the engine . or public road without checking the existing federal , state , i . Never store the machine or fuel container inside or local vehicle requirements . Any licensing or where there is an open flame , spark or pilot light modifications such as taillights , etc . , needed to comply , is as on a water heater , space heater , furnace , the sole responsibility of the purchaser . If a “ Statement of clothes dryer or other gas appliances . Origin ” is required in your state , see your local dealer . j . Allow machine to cool 5 minutes before storing . 16 . Do not tow machine faster than 45mph . 17 . See Transporting the Log Splitter section in this manual Operation for proper towing instructions once all federal , local , or 1 . Before starting this machine , review the “ Safety state requirements are met . Instructions ” . Failure to follow these rules may result in Maintenance and Storage serious injury to the operator or bystanders . 1 . Stop the engine , disconnect the spark plug and ground it 2 . Never leave this machine unattended with the engine against the engine before cleaning , or inspecting the running . machine . 3 . Do not operate machine while under the influence of 2 . Stop the engine and relieve hydraulic system pressure alcohol , drugs , or medication . before repairing or adjusting fittings , hoses , tubing , or 4 . Never allow anyone to operate this machine without other system components . proper instruction . 3 . To prevent fires , clean debris and chaff from the engine 5 . Always operate this machine with all safety equipment in and muffler areas . If the engine is equipped with a spark place and working . Make sure all controls are properly arrester muffler , clean and inspect it regularly according adjusted for safe operation . to manufacturers instructions . Replace if damaged . 6 . Do not change the engine governor settings or 4 . Periodically check that all nuts and bolts , hose clamps , overspeed the engine . The governor controls the and hydraulic fittings are tight to be sure equipment is in maximum safe operating speed of the engine . safe working condition . 7 . When loading a log , always place your hands on the 5 . Check all safety guards and shields to be sure they are in sides of the log , not on the ends , and never use your foot the proper position . Never operate with safety guards , to help stabilize a log . Failure to do so , may result in shields , or other protective features removed . crushed or amputated fingers , toes , hand , or foot . 6 . The pressure relief valve is preset at the factory . Do not 8 . Use only your hand to operate the controls . adjust the valve . 9 . Never attempt to split more than one log at a time unless 7 . Never attempt to move this machine over hilly or uneven the ram has fully extended and a second log is needed to terrain without a tow vehicle or adequate help . complete the separation of the first log . 8 . For your safety , replace all damaged or worn parts 10 . For logs which are not cut square , the least square end immediately with original equipment manufacturer’s and the longest portion of the log should be placed ( O.E.M . ) parts only . “ Use of parts which do not meet the toward the beam and wedge , and the square end placed original equipment specifications may lead to improper toward the end plate . performance and compromise safety ! ” 11 . When splitting in the vertical position , stabilize the log 9 . Do not alter this machine in any manner , alterations such before moving the control . Split as follows : as attaching a rope or extension to the control lever , or a . Place log on the end plate and turn until it leans adding to the width or height of the wedge may result in against the beam and is stable . personal injury . b . When splitting extra large or uneven logs , the log must be stabilized with wooden shims or split Your Responsibility wood between the log and end plate or ground . Restrict the use of this power machine to persons who read , 12 . Always keep fingers away from any cracks that open in understand and follow the warnings and instructions in this the log while splitting . They can quickly close and pinch manual and on the machine . Some of the safety labels are or amputate your fingers . reproduced here . 13 . Keep your work area clean . Immediately remove split Always follow directions on safety labels found on your wood around the machine so you do not stumble over it . equipment . 4
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SECTION 2 : ASSEMBLING YOUR LOG SPLITTER • Align the holes in the tongue with the holes in the Unpacking from Crate tank bracket and secure with hardware just • Pry top , sides , and ends off the crate . Set panels removed . See Figure 1 . aside to avoid tire puncture or personal injury . NOTE : High pressure hose must be above the tongue • Remove and discard plastic bag that covers unit . assembly . • Remove any loose parts if included with unit ( i.e . , operator’s manual , etc . ) • Cut and remove straps which secure parts to Connecting Cylinder to Beam bottom of crate . Unbolt any remaining parts which • The log splitter is shipped with the beam in the may be bolted to the bottom of the crate . vertical position . Pull out the vertical lock beam , rotate it back , and pivot the beam to the horizontal WARNING : Use extreme caution unpacking position until it locks . See Figure 2 . this machine . Some components are very heavy and will require additional people or mechanical handling equipment . Loose Parts In Carton • Tongue assembly Beam NOTE : Reference to right or left hand side of the log Vertical Lock Beam splitter is observed from the operating position . Assembling the Tongue Attaching the Jack 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 position . • Secure the jack stand in position with the clevis pin Figure 2 and spring clip . See Figure 1 . • Disconnect the dislodger from the beam weld Spring Clip bracket by removing the six hex screws and flat washers . See Figure 3 . Bracket Flat Washer Lock Washer Tongue Hex Nuts Hex Screw Clevis Pin Dislodger Jack Stand Beam Weld Bracket Lock Washer Hex Bolts Figure 1 Attaching the Tongue Figure 3 • With the log splitter still standing upright , remove two hex bolts , lock washers , and hex nuts from the end of the tongue . See Figure 1 . 5
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• Disconnect the log cradle from the beam on the Preparing the Log 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 Hex Nut • 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 Disconnect Hex Bolts 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 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 . Attach log cradle here Figure 5 6
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SECTION 3 : KNOW YOUR LOG SPLITTER 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 . Log Dislodger Cylinder How it works Control Handle Reverse Wedge To return ( Automatic ) wedge Beam Log Cradle To stop Neutral wedge Control Handle Tongue To split Forward wood ( Manual ) Jack Stand Horizontal Beam Lock Vertical Beam Lock Reservoir Tank Horizontal Vertical Beam Lock Beam Lock Figure 7 Control Handle Engine Controls 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 Stopping Engine soon as handle is released . ( Forward Position only ) • Move throttle control lever to STOP or OFF • NEUTRAL : Release the control handle or move position . the lever to neutral position to stop the wedge • Turn off the fuel valve . 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 handle stays in the return ( Reverse ) position and IMPORTANT : Your log splitter is shipped with motor oil returns to neutral automatically when fully in the engine . However , you MUST check the oil level retracted . before operating . Be careful not to overfill . • Reverse position may also be operated back to neutral position manually , if necessary . Beam Locks 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 . 7
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SECTION 4 : OPERATING YOUR LOG SPLITTER Before Each Use WARNING : Read , understand , and follow all • Remove the dipstick and check hydraulic fluid level . instructions and warnings on the machine and Refill if necessary . in this manual before operating . • Check engine oil level . Refill if necessary . • Fill up gasoline if necessary . WARNING : Wear leather work gloves , • Lubricate with engine oil the beam area where safety shoes , ear protection , and safety splitting wedge will slide . Do not use grease to glasses when operating log splitter . Ensure lubricate . Make sure to lubricate both the front and safe footing . the back of the beam face . • Attach spark plug wire to the spark plug . Gas and Oil Fill - Up • Service the engine with gasoline and oil as Using the Log Splitter instructed in the engine manual packed with your log splitter . Read instructions carefully . • Place the log splitter on level , dry ground . • Place the beam in either the horizontal or vertical WARNING : Use extreme care when position and lock in place with the appropriate handling gasoline . Gasoline is extremely locking rod . flammable and the vapors are explosive . Never • Block the front and back of both wheels . fuel machine indoors or while the engine is hot • Place the log against the end plate and only split or running . wood in the direction of the grain . • To stabilize the log , place your hand only on sides IMPORTANT : Your log splitter is shipped with motor oil of log . Never place hand on the end between the in the engine . However , you MUST check the oil level log and the splitting wedge . before operating . Be careful not to overfill . • 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 fewer obstructions when the unit is Control Handle in the vertical position . 1 . Move control handle FORWARD or DOWN to split wood . Starting Engine 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 the fuel valve to the ON position . Log Dislodger • Move choke lever to CHOKE position . • The log dislodger is designed to remove any • Turn the throttle control lever to the FAST position . partially split wood from the wedge . This may occur • Grasp starter handle and pull rope out slowly until while splitting large diameter wood or freshly cut engine reaches start of compression cycle ( rope wood . will pull slightly harder at this point ) . • Pull rope with a rapid , full arm stroke . Keep firm grip WARNING : Never remove partially split on starter handle . Let rope rewind slowly . Repeat wood from the wedge with your hands . Fingers until engine cranks . may become trapped between split wood . • After engine starts , move choke lever to OFF position . Place throttle lever to the speed desired . • To remove partially split wood from wedge , move For best performance , the engine is designed to be control handle to REVERSE position until wedge is operated at the FAST throttle position . fully retracted to allow split wood portion to contact • If weather is cold , run wedge up or down beam six the log dislodger . to eight times to circulate the hydraulic fluid . • Once removed from wedge with log dislodger , split wood from opposite end or in another location . WARNING : When starting a warm engine , Vertical Position the muffler and surrounding areas are hot and • Pull the horizontal beam lock out to release the can cause a burn . Do not touch . beam and pivot the beam to the vertical position . 8
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7 . Attempt to cut wood across the grain . • To lock the beam in the vertical position , pull out on 8 . Attempt to remove partially split wood from the the vertical beam lock and rotate it to secure the wedge with your hands . Fully retract wedge to beam . See Figure 7 . dislodge wood with log dislodger . • Stand in front of the unit to operate the control handle and to stabilize the log . See Figure 8A . Raising and Lowering Beam A • Use control handle to run wedge up and down 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 Figure 8 lock on the reservoir tank . Horizontal Position • Pivot beam lock down to release the beam . • Pull the vertical beam lock out and rotate it down . Carefully pull back on beam and lower it to the See Figure 7 . Pivot beam to the horizontal position . horizontal position.The horizontal beam lock will The beam will lock automatically in horizontal lock automatically . See Figure 7 . position . • Stand behind the reservoir tank to operate control Transporting the Log Splitter handle and to stabilize the log . See Figure 8B . IMPORTANT : Always turn fuel valve to OFF position before transporting the log splitter . Operating Tips • Lower the beam to its horizontal position . Make Always : certain the beam is locked securely with the 1 . Use clean fluid and check fluid level regularly . horizontal beam lock . 2 . Use Dexron III Automatic Transmission Fluid or • Remove spring clip and clevis pin from jack stand . 10W AW hydraulic fluid . • Support the tongue and pivot the jack stand up 3 . Use a filter ( clean or replace regularly ) against the tongue . See Figure 9 . 4 . Use a breather cap on fluid reservoir . 5 . Make sure pump is mounted and aligned properly . Clevis Pin Tongue 6 . Use a flexible “ spider ” type coupling between engine and pump drive shafts . Spring Clip 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 . 12 . Prime the pump before initial start - up by turning Jack Stand over the engine with spark plug disconnected . 13 . Split wood along the grain ( lengthwise ) only . Never : Figure 9 1 . Use when fluid is below 20 ° F or above 150 ° F . • Secure with the spring clip and clevis pin previously 2 . Use a solid engine / pump coupling . removed . See Figure 9 . 3 . Operate through relief valve for long . • Attach coupler hitch to a class I or higher 2 ” ball on 4 . Attempt to adjust unloading or relief valve settings a towing vehicle ; latch securely . without pressure gauges . a . If coupler hitch does not fit on ball : Turn 5 . Operate with air in hydraulic system . adjustment nut one turn counter - clockwise . 6 . Use teflon tape on hydraulic fittings . 9
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b . If coupler hitch is too loose on ball : Turn WARNING : Do not tow faster than 45mph adjustment nut one turn clockwise . and check local , state , and federal • Connect the safety chains to the towing vehicle . requirements before towing on any public road . NOTE : Use caution when backing up . It is recommended to use a spotter outside the vehicle . SECTION 5 : ADJUSTING YOUR LOG SPLITTER Gib Adjustment WARNING : Do not at any time make any Periodically remove and replace the “ gibs ” ( spacers ) adjustments without first stopping engine , between the wedge assembly and the back plate . disconnecting spark plug wire , and grounding it See Figure 10 . against the engine . Always wear safety glasses during operation or while performing any NOTE : The gibs may be rotated and / or turned over for adjustments or repairs . even wear . • Loosen the lock nuts under each back plate and Wedge Assembly Adjustment slide the gibs out . As normal wear occurs and there is excessive “ play ” • Turn or replace the gibs . between the wedge and beam , adjust the bolts on the • Reassemble the back plate and secure with the side of the wedge assembly to eliminate excess space lock washers and lock nuts . between the wedge and the beam . See Figure 10 . • Readjust the bolts on the side of the wedge assembly . • Loosen the jam nuts on the two adjustment bolts on the side of the wedge . Turn the adjustment bolts in Adjustment Bolt until snug and then back them off slowly ( approximately 1.5 turns ) until the wedge assembly will slide on the beam . • Re - tighten the jam nuts securely against the side of the wedge to secure the adjustment bolts in this Gibs position . Jam Nut Lock Nut Lock Washer Figure 10 SECTION 6 : MAINTAINING YOUR LOG SPLITTER WARNING : Higher pressure could cause WARNING : Before cleaning , lubricating , the hoses to burst , cylinder to rupture , and repairing , or inspecting , disengage the control intense fluid to be released , which could result lever and stop engine . Disconnect the spark in serious personal injury . plug wire and ground it against the engine to prevent unintended starting . Always wear 3 . Disassembling the pump safety glasses during operation or while 4 . Use of incorrect hydraulic fluid performing any adjustments or repairs . 5 . Allowing the flexible pump coupler to deteriorate without proper and regular inspection 6 . Lack of lubrication or improper lubrication of the Conditions that will void warranty beam or unit 1 . Failure to maintain proper fluid level in reservoir 7 . Improper adjustment of splitting wedge 2 . Changing the relief valve setting or pressure 8 . Excessive heating of the hydraulic system adjustment of control valve without proper 10
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Replace the coupler if you detect vibration or noise 9 . Attempting to start unit in temperatures under 20 ° F coming from the area between the engine and the without pre - heating fluid in reservoir pump . If the coupler fails completely , you will 10 . Unattended leaks in hydraulic system experience a loss of power . Hydraulic Fluid IMPORTANT : Never hit the engine shaft in any manner , as a blow will cause permanent damage to the engine . • Check the hydraulic fluid level in the log splitter reservoir tank before each use . • Remove three nuts and lock washers that secure • Maintain fluid level within the range specified on the the pump to the coupling shield . Two nuts are at the dipstick at all times . bottom corners and one is in the top center . • Change the hydraulic fluid in the reservoir every • Remove the pump . 100 hours of operation . • Rotate the engine by slowly pulling starter handle • Disconnect the suction hose from the bottom of the until engine coupling half set screw is visible . reservoir tank and drain the fluid into a suitable Loosen set screw using allen wrench and slide container . Refill using only Dexron III automatic coupling half off engine shaft . transmission fluid or 10 weight AW hydraulic fluid . • Loosen set screw on pump coupling half and remove coupling half . NOTE : Please dispose of used hydraulic fluid and • Slide new engine coupling half onto the engine engine oil at approved recycling centers only . shaft until the end of the shaft is flush with the inner • Since contaminants in fluid may damage the portion of the coupling half . ( There must be space hydraulic components , you will have to drain the between the end of the engine support bracket and fluid and flush the reservoir tank and hoses with coupling half ) . Tighten set screw . kerosene whenever any repair work is performed • Install pump coupling half and key on pump shaft . on the tank , hydraulic pump or valve . For this job , Rotate coupling half until set screw faces opening contact your nearest service dealer . in shield . Do not tighten set screw . • Install nylon “ spider ” onto engine coupling half . Hydraulic Filter • Align pump coupling half with nylon “ spider ” by • Change the hydraulic filter every 50 hours of rotating engine using starter handle . Slide coupling operation . Use only a 10 micron hydraulic filter . half into place while guiding three mounting bolts Order part number 723 - 0405 . through holes in pump support bracket . • Secure with nuts and washers removed earlier . Beam and Splitting Wedge • Set . 010 ” to . 060 ” clearance / gap between the nylon • Lubricate both sides of the beam ( where it comes “ spider ” and the engine coupling half by sliding a into contact with the splitting wedge ) , before each feeler gauge or matchbook cover between the use , with engine oil . The wedge plate on the log nylon “ spider ” and the engine coupling half and splitter is designed so the gibs on the side of the moving pump coupling half as needed . Secure wedge plate can be removed and rotated and / or pump coupling half with set screw . See Figure 11 . turned over for even wear . NOTE : Make certain proper clearance / gap is obtained • Make certain to readjust the adjustment bolts so before tightening set screw . wedge moves freely , but no excess space exists between the wedge plate and the beam . Gear Pump Hose Clamps Set Screw • Check , before each use , if hose clamps on the suction hose ( attached to the side of the pump ) are Nylon tight . Check the hose clamps on the return hose at Steel “ Spider ” Insert least once a season . Coupling Halves Clearance / Engine Gap Refer to the engine manual for all maintenance needs . Engine Flexible Pump Coupler The flexible pump coupler is a nylon “ spider ” insert , Figure 11 located between the pump and the engine shaft . Over time , the coupler will harden and deteriorate . 11
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Tires WARNING : Excessive pressure when See sidewall of tire for recommended pressure . Under seating beads may cause tire / rim assembly to any circumstances do not exceed manufacturer’s burst with force sufficient to cause serious recommended psi . Maintain equal pressure on all tires . injury . Refer to sidewall of tire for recommended pressure . SECTION 7 : STORING YOUR LOG SPLITTER that engine is cool before draining the fuel . Do not Prepare your log splitter for storage at the end of the smoke while handling fuel . season or if the log splitter will not be used for 30 days • Start the engine and let it run until the fuel lines and or more . carburetor are empty . WARNING : Never store machine with fuel • Remove spark plug . Holding a rag over the cylinder in the fuel tank inside of building where fumes hole , pour approximately 1 / 2 ounce ( approximately may reach an open flame or spark , or where one tablespoon ) of engine oil into cylinder and ignition sources are present such as hot water crank slowly to distribute the oil . and space heaters , furnaces , clothes dryers , • Replace spark plug . stoves , electric motors , etc . • Do not store gasoline from one season to another . • Replace your gasoline can if it starts to rust . Rust • Clean the log splitter thoroughly . and / or dirt in the gasoline will cause problems . NOTE : We do not recommend the use of pressure • Store unit in a clean , dry area . Do not store next to washers or garden hose to clean your unit . Doing so corrosive materials , such as fertilizer . may 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 . • Drain fuel tank . Always drain fuel into approved container outdoors , away from open flame . Be sure SECTION 8 : TROUBLESHOOTING Problem Cause Remedy 1 . Connect wire to spark plug . Engine fails to start 1 . Spark plug wire disconnected . 2 . Fill tank with clean , fresh gasoline . 2 . Fuel tank empty or stale fuel . 3 . Move throttle lever to FAST position . 3 . Throttle control lever not in correct starting position . 4 . Move choke to CHOKE position . 4 . Choke not in CHOKE position . 5 . Prime engine . 5 . Engine not primed properly . 6 . Clean fuel line . 6 . Blocked fuel line . 7 . Clean , adjust gap , or replace . 7 . Faulty spark plug . 1 . Connect and tighten spark plug wire . Engine runs erratic 1 . Spark plug wire loose . 2 . Move choke lever to OFF position . 2 . Unit running on CHOKE . 3 . Clean fuel line ; fill tank with clean , fresh 3 . Blocked fuel line or stale fuel . gasoline 4 . Drain fuel tank . Refill with fresh fuel . 4 . Water or dirt in fuel system . 5 . Clean or replace air cleaner . 5 . Dirty air cleaner . 6 . See authorized service dealer . 6 . Carburetor out of adjustment . 1 . Fill crankcase with proper oil . Engine overheats 1 . Engine oil level low . 2 . Clean or replace air cleaner . 2 . Dirty 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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Hydraulic Troubleshooting Problem Cause Remedy 1 . See authorized service dealer . Cylinder rod will not move 1 . Broken drive shaft . 2 . Disconnect hydraulic hoses , remove 2 . Shipping plugs left in hydraulic shipping plugs , reconnect hoses . hoses . 3 . See operator’s manual for correct 3 . Set screws in coupling not adjusted adjustment . properly . 4 . Correct engine / pump alignment as 4 . Loose shaft coupling . necessary . 5 . See authorized service dealer . 5 . Gear sections damaged . 6 . See authorized service dealer . 6 . Damaged relief valve . 7 . Flush and clean hydraulic system . 7 . Hydraulic lines blocked . 8 . Check oil level . 8 . Incorrect oil level . 9 . See authorized service dealer . 9 . Damaged directional valve . 10 . Flush and clean hydraulic system . 10 . Blocked directional valve . 1 . See authorized service dealer . 1 . Gear sections damaged . Slow cylinder shaft speed 2 . Make certain pump inlet hoses are clear 2 . Excessive pump inlet vacuum . while extending and and unblocked - use short , large retracting . 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 . Drain oil , clean reservoir , and refill . 6 . Contaminated oil . 7 . See authorized service dealer . 7 . Directional valve leaking internally . 8 . See authorized service dealer . 8 . Internally damaged cylinder . Leaking cylinder 1 . Broken seals . 1 . See authorized service dealer . 2 . Scored cylinder . 2 . See authorized service dealer . 1 . See authorized service dealer . 1 . Small gear section damaged . Engine runs but wood will 2 . See authorized service dealer . 2 . Pump check valve leaking . not split or wood splits too 3 . Make certain pump inlet hoses are clear 3 . Excessive pump inlet vacuum . slowly and unblocked . 4 . Check oil level . 4 . Incorrect oil level . 5 . Drain oil , clean reservoir , and refill . 5 . Contaminated oil . 6 . See authorized service dealer . 6 . Directional valve leaking internally . 7 . Do not attempt to split wood against the 7 . Overloaded cylinder . grain . 8 . See authorized service dealer . 8 . Internally damaged cylinder . 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 . 1 . Correct alignment as necessary . 1 . Engine / pump misalignment . Engine will not turn or 2 . See authorized service dealer . 2 . Frozen or seized pump . stalls under low load 3 . See authorized service dealer . 3 . Low horsepower / weak engine . conditions 4 . Flush and clean hydraulic system . 4 . Hydraulic lines blocked . 5 . Flush and clean hydraulic system . 5 . Blocked directional valve . 1 . See authorized service dealer . Leaking pump shaft seal 1 . Broken drive shaft . 2 . Correct alignment as necessary . 2 . Engine / pump misalignment . 3 . See authorized service dealer . 3 . Gear sections damaged . 4 . See authorized service dealer . 4 . Poorly positioned shaft seal . 5 . Make certain reservoir is properly 5 . Plugged oil breather . vented . NOTE : For repairs beyond those listed here , contact your nearest authorized service center . 13
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SECTION 9 : PARTS LIST 19 21 20 2 26 6 7 4 1 9 73 11 86 10 3 13 17 14 41 16 43 22 15 18 75 36 42 79 79 78 39 77 40 5 72 12 48 23 84 74 76 69 71 8 68 70 75 37 82 25 35 81 80 8 44 85 42 48 48 72 84 79 26 33 83 24 81 61 27 67 42 72 47 46 32 49 50 48 30 38 83 20 8 84 28 45 53 58 59 57 31 55 29 62 56 30 66 54 26 63 65 64 30 60 14
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Model 510 Ref . Ref . Part No . Part Description Part No . Part Description No . No . 44 . 781 - 0686 Log Tray Bracket 1 . 718 - 0773 Hydraulic Cylinder 45 . 681 - 04040 Frame Assembly 2 . 727 - 0634 Hydraulic Tube 46 . 726 - 0214 Push Cap 3 . 710 - 1018 Hex Cap Screw 1 / 2 - 20 x 2.75 47 . 732 - 0583 Compression Spring 4 . 737 - 0192 90 Degree Solid Adapter 48 . 710 - 0521 Hex Bolt 3 / 8 - 16 x 3 ” 5 . 736 - 0371 Flat Washer , . 434 x . 880 x . 062 49 . 781 - 0690 Lock Rod 6 . 737 - 0153 Return Elbow 50 . 737 - 0348A Vented Dipstick 7 . 718 - 0481 Control Valve 51 . 710 - 1338 Hex Screw 5 / 16 - 24 x 3.25 8 . 736 - 0119 Lock Washer , 5 / 16 53 . 634 - 0186 Wheel Assembly 9 . 710 - 1806 Hex Cap Screw 1 / 2 - 13 x 3.25 54 . 712 - 0359 Slotted Nut 3 / 4 - 16 10 . 719 - 0550 Wedge Assembly 55 . 714 - 0162 Cotter Pin 11 . 737 - 0238 Nipple Pipe 1 / 2 - 14 56 . 734 - 0873 Hub Cap 12 . 712 - 0239 Lock Nut 1 / 2 - 20 57 . 719 - 0353 Coupling Shield 13 . 712 - 0711 Hex Jam Nut 3 / 8 - 24 58 . 714 - 0122 Square Key 3 / 16 ” x . 75 14 . 710 - 0459A Hex Cap Screw 3 / 8 - 24 x 1.5 59 . 718 - 04145 Flexible Coupling 15 . 781 - 0351 Adjustable Gib 60 . 747 - 04039 Inlet Filter 16 . 710 - 1260A LD Screw 5 / 16 - 18 x . 75 61 . 781 - 0789 Jack Stand 17 . 781 - 1054 Cylinder Support Bracket 62 . 781 - 0097 Rear Coupling Support Bracket 18 . 681 - 0173 Beam Assembly 63 . 727 - 04103 Hose 19 . 736 - 0300 Flat Washer . 406 ID x . 875 OD 64 . 718 - 04127 Gear Pump 20 . 710 - 0654A Hex Washer Screw 3 / 8 - 16 x 1.0 65 . 737 - 0329 45 ° Elbow 21 . 781 - 0791 Dislodger 66 . 727 - 0502 High Pressure Hydraulic Hose 22 . 781 - 0790 Back Plate 67 . 781 - 0788 Tongue Tube Assembly 23 . 736 - 0921 Lock Washer 1 / 2 68 . 747 - 1261 Tongue Latch Rod 24 . 737 - 0312 Adapter 3 / 4 - 14 69 . 781 - 1045 Latch 25 . 727 - 0443 Return Hose 3 / 4 ” ID x 44 ” 70 . 715 - 0120 Spiral Pin 26 . 726 - 0132 Hose Clamp 5 / 8 ” 71 . 732 - 3127 Compression Spring 27 . 737 - 0316 Filter Housing 72 . 736 - 0169 L - Washer 3 / 8 ” 28 . 710 - 3008 Hex Screw , 5 / 16 - 18 x . 75 73 . 712 - 3022 Hex Lock Nut 1 / 2 - 13 29 . 710 - 0376 Hex Screw , 5 / 16 - 18 x 1.0 74 . 710 - 0944 Hex Cap Screw 3 / 8 - 16 x 4.25 30 . 712 - 04063 Hex Flange Nut , Nylon , 5 / 16 - 18 75 . 736 - 0262 Flat Washer . 385 ID x . 870 OD 31 . 736 - 0351 Flat Washer . 760 ID x . 500 OD 76 . 713 - 0433 Chain 32 . 710 - 3056 Hex Bolt 5 / 16 - 18 x 3.25 ” 77 . 750 - 0497 Spacer . 375 ID x . 625 OD 33 . 723 - 0405 Oil Filter 78 . 681 - 04030 Hitch Coupler 35 . 781 - 1024 Mounting Bracket , Fender 79 . 712 - 0375 Hex Lock Nut 3 / 8 - 16 36 . 710 - 1238 Hex Screw , 5 / 16 - 18 x . 875 80 . 711 - 0813 Clevis Pin 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 . 710 - 3038 Hex Screw , 5 / 16 - 18 x . 875 40 . 731 - 2496 Fender , Black 84 . 712 - 3010 Hex Nut , 5 / 16 - 18 41 . 710 - 3097 Carriage Bolt 3 / 8 - 16 x 1.0 85 . 781 - 0526 Hose Guard 42 . 712 - 3017 Hex Nut 3 / 8 - 16 86 . 781 - 0538 Hose Guard 43 . 781 - 0682 Log Tray 15
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MANUFACTURER’S LIMITED WARRANTY FOR : The limited warranty set forth below is given by MTD LLC with e . 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 f . Replacement parts that are not genuine MTD parts . workmanship for a period of two ( 2 ) years commencing on the g . Transportation charges and service calls . date of original purchase and will , at its option , repair or replace , free of charge , any part found to be defective in No implied warranty , including any implied warranty of materials or workmanship . This limited warranty shall only merchantability of fitness for a particular purpose , apply if this product has been operated and maintained in applies after the applicable period of express written accordance with the Operator’s Manual furnished with the warranty above as to the parts as identified . No other product , and has not been subject to misuse , abuse , express warranty , whether written or oral , except as commercial use , neglect , accident , improper maintenance , mentioned above , given by any person or entity , alteration , vandalism , theft , fire , water , or damage because of including a dealer or retailer , with respect to any product , other peril or natural disaster . Damage resulting from the shall bind MTD . During the period of the warranty , the installation or use of any part , accessory or attachment not exclusive remedy is repair or replacement of the product approved by MTD for use with the product ( s ) covered by this as set forth above . manual will void your warranty as to any resulting damage . The provisions as set forth in this warranty provide the Normal wear parts are warranted to be free from defects in sole and exclusive remedy arising from the sale . MTD material and workmanship for a period of thirty ( 30 ) days from shall not be liable for incidental or consequential loss or the date of purchase . Normal wear parts include , but are not damage including , without limitation , expenses incurred limited to items such as : batteries , belts , blades , blade for substitute or replacement lawn care services or for adapters , grass bags , rider deck wheels , seats , snow thrower rental expenses to temporarily replace a warranted skid shoes , shave plates , auger spiral rubber and tires . product . HOW TO OBTAIN SERVICE : Warranty service is available , Some states do not allow the exclusion or limitation of WITH PROOF OF PURCHASE , through your local authorized incidental or consequential damages , or limitations on how service dealer . To locate the dealer in your area , check your long an implied warranty lasts , so the above exclusions or Yellow Pages , or contact MTD LLC at P.O . Box 361131 , limitations may not apply to you . Cleveland , Ohio 44136 - 0019 , or call 1 - 800 - 949 - 4483 or log In no event shall recovery of any kind be greater than the on to our Web site at www.whiteoutdoor.com . amount of the purchase price of the product sold . Alteration This limited warranty does not provide coverage in the of safety features of the product shall void this warranty . following cases : You assume the risk and liability for loss , damage , or injury to you and your property and / or to others and their property a . The engine or component parts thereof . These items arising out of the misuse or inability to use the product . may carry a separate manufacturer’s warranty . Refer to applicable manufacturer’s warranty for terms and This limited warranty shall not extend to anyone other than the conditions . original purchaser or to the person for whom it was purchased b . Log splitter pumps , valves , and cylinders have a as a gift . separate one year warranty . HOW STATE LAW RELATES TO THIS WARRANTY : This c . Routine maintenance items such as lubricants , filters , limited warranty gives you specific legal rights , and you may blade sharpening , tune - ups , brake adjustments , clutch also have other rights which vary from state to state . adjustments , deck adjustments , and normal deterioration of the exterior finish due to use or IMPORTANT : Owner must present Original Proof of exposure . Purchase to obtain warranty coverage . d . Service completed by someone other than an authorized service dealer . MTD LLC , P.O . BOX 361131 CLEVELAND , OHIO 44136 - 0019 ; Phone : 1 - 800 - 949 - 4483
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