Safety • Assembly • Operation • Tips & Techniques • Maintenance • Troubleshooting • Parts Lists • Warranty A OF O AL 22" Rotary Mower- Model Series 520 iMPORTANT READ SAFETY RULES AND iNSTRUCTiONS CAREFULLY BEFORE OPERATION Warning: This unit is equippedwithan internalcombustionengineand shouldnot be usedon or nearany unimprovedforest-covered,brushcoveredor grass-coveredland unlesstheengine'sexhaustsystemis equippedwith a sparkarrestermeetingapplicablelocalor statelaws(if any).
This Operator's Manual is an important part of your new lawn mower, it will help you assemble, prepare, and maintain the unit for best performance. Please read and understand what it says. Table of Contents Slope Gauge ........................................................ Safe Operation Practices ................................... Setup and Adjustment ....................................... Operating Your Lawn Mower .............................. 3 4 6 8 Maintaining Your Lawn Mower ..................
Sight and h01dthis levelwith a vertical tree... m_ >:. | I G.) o9 or a corner of a building... __ (13 | (13 or a fence post | | O do; O C ::>., -- E c_ O G.) cO c5 _- (13 o9 .oo o -_ G.) O9 G.
WARNING: Engine Exhaust, some of its constituents, and certain vehicle components contain or emit chemicals known to State of Californiato cause cancer and birth defects or other reproductiveharm. DANGER: This machine was built to be operated according to the rules for safe operation in this manual. As with any type of powerequipment, 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.
19.Shutthe engine off and waituntil the bladecomesto a completestop beforeremovingthe grasscatcheror unclogging the chute. The cutting bladecontinuesto rotatefora few secondsafter the engine is shut off. Neverplace any partof the body in the bladearea until you are surethe bladehas stopped rotating. 20. Neveroperate mowerwithoutpropertrail shield, discharge cover,grasscatcher,bladecontrol handle or othersafety protectivedevices in placeand working.Neveroperate mowerwith damagedsafetydevices.
For shippingpurposes,the chutedeflectoron your moweris held in an uprightpositionbya retainer. Removethe retaineras follows: a. Push chutedeflectorup towardsengine.Holding deflectorin this position,removethe retainerand discard.See Figure3-1. b. Lowerthe chute deflectorcarefullykeepingyour fingersout of the way. ,_ . must be removed and discarded WARNING: The chute retainer before operating the mower. Performthe followingsequencefor handlesetup: a.
5. Ropeguide Setupas followsin Figure3-5: a. Holdthe bladecontrol againsttheupper handle. b. Slowlypull starterrope out of engine. c. Slip starterrope intothe rope guide. d. Tightenropeguide wingnut. 6. If notalreadyon the unit, install rearwheelsas follows in Figure3-6: a. Placerear of the mowerdeck on raisedblocks. b. Removelock nutfrom pivot armassembly(on selectmodels,these maybe includedseparately in a plasticbag). i ii iiii c. Slide wheel,with hollowside in, ontopivot arm and securewith lock nut.
Know Your Lawn Mower BladeControl Drive Control RecoilStarter WARNING The blade control mechanism is a safety device. Never attempt to bypass its operations. ; Use extreme care when handling gasoline. Gasoline is extremely flammable and the vapors are explosive. Never fuel the machine indoors or while the engine is hot or running. I Extinguish cigarettes, cigars, pipes and other sources of ignition. Keep hands and feet away from the chute area on cutting deck. Refer to warning label on the unit.
WARNING:The operationof any lawn mowercan result in foreign objects being thrownintothe eyes,whichcan damageyoureyes severely.Always wear safetyglasseswhileoperating the mower,or while performing any adjustmentsor repairson it. Starting perating Engine WARNING:Besure no one otherthan the operatoris standingnear the lawn mower whilestartingengine or operatingmower. Never run engine indoors or in enclosed, poorly ventilated areas. Engine exhaust contains carbon monoxide,an odorless and deadly gas.
-, Lubrication 1. Lubricatepivot pointson theblade controland drive controlat least oncea seasonwith lightoil. These controlsmustoperatefreely in bothdirections.See Figure5-1. 2. Lubricatethe wheelsat least oncea seasonwith lightoil (or motoroil). If wheelsare removedfor any reason,lubricatesurfaceof the pivotarm and inner surfaceof thewheelwith light oil. See Figure5-1. 3.
w Blade Care __k /,I _'_ bladefor sharpeningor replacement, ARNING:Whenremovingcutting protectyourhandswith a pairof heavy gloves or use a heavy rag to hold blade. 1. Disconnectsparkplug wirefrom spark plug.Turn moweron its side makingsurethat the air filter and the carburetorare up. Maintaining 2. Removebolt, bell washer,blade,and bladeadapter from the enginecrankshaft.See Figure5-2. 8 3. The bladecan be sharpenedwith a fileor on a grinding wheel.
Problem Cause Ena ne fa sto start Remedy 1. Bladecontroldisengaged, i. sParkPiugwiie disconnected: 3. " ........... Fueltank empty or stale fuel. 4. Enginenot piimed(if equippedwth primer)i Faultyspark p ugl 61 BloCked fuel linel 7: Engineflooded. & Filltank with clean,fresh gasolinel 4. prime engineaS instr,u, cted in Operat, ing Your Lawn Mower. c ean adjustgap or repiacel clean fuellinel 7. Wait a few minutesto restait,but do I notprimel 8.
S"............. Off=Season Storage The followingstepsshouldbe taken to prepareyour lawn mowerfor storage. 1. Cleanand lubricatemowerthoroughlyas describedin the lubricationinstructions. 2. We do not recommendthe useof a pressurewasher or gardenhoseto cleanyour unit. 3. Referto enginemanualfor correctengine storageinstructions. 4. Coat mower'scuttingblade with chassisgreaseto preventrusting. 5. Storemowerin a dry, cleanarea. Donot storenext to corrosivematerials,suchas fertilizer.
Model Series 520 _4_ \ WheelTreads ZagTread 14 BarTread
Ref. No. PartNo. Description Ref. No. Part No. Description 1. 747-1214 DriveControl 30. 750-04406A SleeveSpacer,.550 ID x 7.42 2. 747-1161A BladeControl 31. 731-04014 TransmissionCover-Gray 3. 746-1132 BladeControlCable- 40.75" 731-0073 TransmissionCover- Black 746-04389 BladeControlCable- 42.0" 32. 748-04016A BladeAdapter 4. 746-04204 DriveControlCable 33. 742-0742A 22" MulchingBlade 5. 749-1092A UpperHandle 34. 736-0452 Washer,Bell,.396x 1.140x .095 6.
MANUFACTURER'S LiMiTED WARRANTY The limitedwarrantyset forth belowisgivenby MTDLLCwith respect to newmerchandisepurchasedand usedin the UnitedStates,its possessionsand territories. "MTD"warrantsthis productagainstdefectsin materialand workmanshipfor a periodof two (2) years commencingon the date of original purchaseand will, at its option,repairor replace,freeof charge,any part foundto be defectiveinmaterialsor workmanship.