Safety • Assembly • Operation • Tips & Techniques • Maintenance • Troubleshooting • Parts Lists • Warranty A OF O AL 21" Rotary Mower- Model Series 820 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.
1. Removegrasscatcherand any packingmaterial which maybe betweenupperand lowerhandles. a. Removehandknobs from handlemounting bracketsand pull up and back on upper handle as shownin Figure3-1.Makecertain the lower handleis seatedsecurelyinto the handlemounting brackets. b. Tightenhandknobs to secureupperhandleto lowerhandle.Make surethat eachcarriagebolt is seatedproperlyin the handle. . . i Standbehindthe mowerasifyou were The ropeguide is attachedto the right sideof the upperhandle.
Beforeattachingthe grasscatcher,themulching baffle mustbe removed.See Figure3-5. a. Lift rear dischargedoor. b. Removemulchingbaffle. . Followstepsbelowto install the grasscatcher.Refer to Figure3-6. setupand a. Lift rear dischargedoor. b. Placegrass catcheron thepivot rod. Letgo of dischargedoor sothat it restson thegrass catcher.
Know Your Lawn Mower BladeConlrol Drive Height Adjustmenl Lever You r LaWn Mower Recoil Starter--÷ WARNING Thebladecontrolis a safetydevice. Never attempt to bypass its operations. Use extreme care when handling gasoline. Gasoline is extremely flammable and the vapors are I explosive. Never fuel I the machine indoors or while the engine is hot or running. Extinguish cigarettes, cigars, pipes, and other sources of ignition. Keep handsand feet awayfrom the cutting deck. Refer to warning labelonthe unit.
Starting Engine the operatoris standingnear the lawn ARNING:Besure no one otherthan mower whilestartingengineor operating mower. Neverrun engine indoorsor in enclosed,poorlyventilatedareas. Engineexhaust containscarbon monoxide,an odorlessand deadly gas. Keephands, feet, hairand looseclothingaway from any movingparts on engineand lawn mower. __lk Operating r Lawn Followthe set of instructionspertainingto your unit. Refer to enginemanualfor helpwith the engine. M0w er Honda Engine: 1.
Lubrication 1. Lubricate pivot pointson theblade controlat least oncea seasonwith lightoil. The bladecontrol must operatefreely in both directions.See Figure5-1. i 2. Lubricatethe wheelsat least oncea seasonwith lightoil (or motoroil). If wheelsare removedfor any reason,lubricatesurfaceof the axleand innersurface of the wheelwith lightoil. See Figure5-1. ¸ Maintaining 3. Lubricatethe torsionspringand pivot pointon the rear dischargedoor periodicallywith lightoil to prevent rust.See Figure5-1. 4.
Blade Care __k f 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. 2. Removebolt, blade bell support,blade,and blade adapterfrom the enginecrankshaft.See Figure5-3. NOTE:When removingthe blade,bladeadapter,etc., be careful notto removeor lose parts aboveit associated with the engine pulley.
f 9. Replaceenginebaffleand securewith self tapping screws. 10.Replaceblade,blade adapter,and associated hardware.Followinstructionsin BladeCaresectionfor properassembly. 11.Tip mowerbackonto its wheelsand removepieceof plasticfrom undergascap (if applicable). Off-Season Mower Figure5-5: Removebeltfrom transmissionandenginepulley. NOTE: When replacing the belt, checkthat the newlyinstalledbelt is seatedcorrectlyand is ridingsmoothlyon the enginepulley.
NOTES 13
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.
Safety Labels Found On Your Lawn Mower Label WARNING DO NOT remove safety (or any) labels from mower for any reason.
Model Series 820 ! 16
Fief. No. Part No. Description Fief. No. PartNo. Description 1 746-04265A DriveCable 20 736-0513t Sprg Washer,.890x 1.70x .048 2 735-04059 21 750-1071t SleeveSpacer 3 753-05096A DriveControlAssernbly 4 747-1161A BladeControl 22 750-04825tt SleeveSpacer 5 746-04213 ControlCable 23 731-05463A Deck Baffle 6 749-04037 LowerHandle 24 710-0260A CarriageBolt, 5/16-18x.
Model Series 820 shown reference shown for reference 18
Ref. No. PartNo. Description 1 754-04093 V-Belt 2 732-04338 SpringLever 3 720-0230 FoamGrip 4 717-04184A SpurGear,14T- LH 5 710-0599 6 750-04305A Spacer 7 749-04267A CrossBracket 8 687-02204 FrontBracketAssembly 9 731-05470 ClipSpacer 10 741-04136B SplitHex FlangeBearing 11 734-1987 FrontWheel 12 712-04065 FlangeLock Nut,3/8-16 13 634-04363 RearWheel 14 710-04531 Screw,1/4-20x .
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.