MTD 12BV829Q755 Operator's Manual

21" rotary mower

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Safety • Assembly • Operation • Tips & Techniques • Maintenance • Troubleshooting • Parts Lists • Warranty
OF
A
O
AL
21" Rotary Mower-
Model Series 820
iMPORTANT
READ SAFETY
RULES AND iNSTRUCTiONS
CAREFULLY
BEFORE
OPERATION
Warning:
This unit is equippedwithan internal combustionengineand shouldnot be usedon or nearany unimproved forest-covered, b rush-
coveredor grass-covered land unlesstheengine'sexhaustsystemis equippedwith a sparkarrestermeetingapplicablelocalor statelaws(if any).
If a sparkarresteris used,it shouldbe maintainedin effectiveworkingorder by the operator.In theState of Californiathe aboveis requiredbylaw
(Section4442 of the CaliforniaPublicResources Code). Otherstatesmay havesimilarlaws.Federallaws applyon federallands.A sparkarrester
for the muffleris availablethroughyour nearestengineauthorizedservicedealeror contactthe servicedepartment,RO. Box361131 Cleveland,
Ohio 44136-0019.
PRINTEDIN U.S.A.
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
FORMNO.769-01607C
1/12/2007

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Summary of Contents for MTD 12BV829Q755

  • Page 1 If a sparkarresteris used,it shouldbe maintainedin effectiveworkingorder by the operator.In theState of Californiathe aboveis requiredbylaw (Section4442 of the CaliforniaPublicResources Code). Otherstatesmay havesimilarlaws.Federallaws applyon federallands.A sparkarrester for the muffleris availablethroughyour nearestengineauthorizedservicedealeror contactthe servicedepartment,RO. Box361131 Cleveland, Ohio 44136-0019. FORMNO.769-01607C PRINTEDIN U.S.A. 1/12/2007 MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019...
  • Page 2: Customer Support

    Serial Number vided to the right. Youcan locatethe model plate by standingat the operatingpositionand lookingdown at the rear of the deck. This information w ill be neces- MTD LLC sary to use the manufacturer'sweb site, to obtain PoO= BOX 361131...
  • Page 3 Sight and h01dthis levelwith a vertical tree... or a corner of a building... >:. or a fence post ::>., fine (repros erlts a 75o o9 .oo -_ o _ 15°...
  • Page 4: General Operation

    WARNING: Engine Exhaust, some of its constituents, and certain vehicle compo- nents 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.
  • Page 5: Slope Operation

    19.Shutthe engine off and waituntil the bladecomesto a 6. Extinguishall cigarettes,cigars, pipesand othersources completestop beforeremovingthe grasscatcheror unclog- of ignition. ging the chute. 7. Neverfuel machineindoorbecauseflammablevapors will The cutting bladecontinuesto rotatefora few secondsafter accumulatein the area. the engine is shut off. Neverplace any partof the body in 8.
  • Page 6 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. Replaceandtighten handknobs removedearlierto securelowerhandleto handlebrackets.See Figure 3-2.
  • Page 7 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 ustment of dischargedoor sothat it restson thegrass catcher. WARNING: Never operate mower unless the hooks on the grass catcher Figure3-5:The mulchingbaffle are firmly seated on the pivot rod and...
  • Page 8: Know Your Lawn Mower

    Know Your Lawn Mower BladeConlrol Drive Height Adjustmenl Lever You r LaWn Recoil Starter--÷ Mower WARNING Thebladecontrolis a safetydevice. Never attempt to bypass its operations. Use extreme care when handling Figure4-1:The majorparts on the lawnmower. gasoline. Gasoline is Recoil Starter Now thatyou haveset up your lawnmower,it's extremely flammable important to becomeacquainted with itscontrolsand...
  • Page 9: Starting Engine

    Starting Engine the operatoris standingnear the lawn __lk ARNING:Besure no one otherthan mower whilestartingengineor operat- ing mower. Neverrun engine indoorsor in enclosed,poorlyventilatedareas. Engineexhaust containscarbon monoxide, a n odorlessand deadly Operating gas. Keephands, feet, hairand looseclothingaway from any movingparts on engineand lawn mower. r Lawn Followthe set of instructionspertainingto your unit.
  • Page 10 Lubrication 1. Lubricate p ivot pointson theblade controlat least oncea seasonwith lightoil. The bladecontrol must operatefreely in both directions.See Figure5-1. 2. Lubricatethe wheelsat least oncea seasonwith lightoil (or motoroil). If wheelsare removedfor any ¸ reason,lubricatesurfaceof the axleand innersurface Maintaining of the wheelwith lightoil. See Figure5-1. 3.
  • Page 11: Blade Care

    Blade Care 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.
  • Page 12 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 Storage Thefollowingstepsshouldbe takento prepareyourlawn mowerfor storage. Mower • Cleanand lubricatemowerthoroughlyas describedin the lubricationinstructions. Figure5-5: Removebeltfrom transmissionandenginepulley. • Wedo not recommend the use of a pressurewasher or garden hoseto cleanyourunit.
  • Page 13 NOTES...
  • Page 14 Problem Cause Remedy Ena ne fa sto start 1. Bladecontroldisengaged, i. Engagebladecontro!. sParkPiugwiie disconnected: conneO!wiretOspark plugl Fueltank empty or stale fuel. & Filltank with clean,fresh gasolinel 4. Enginenot piimed(if equippedwth 4. prime engineaS instr,u, cted in Operat, primer)i ing Your Lawn Mower. Faultyspark p ugl c ean adjustgap or repiacel 61 BloCked fuel linel...
  • Page 15 Safety Labels Found On Your Lawn Mower Label WARNING DO NOT remove safety (or any) labels from mower for any reason.
  • Page 16 Model Series 820...
  • Page 17 Fief. Part No. Description Fief. PartNo. Description 746-04265A DriveCable 736-0513t Sprg Washer,.890x 1.70x .048 735-04059 RubberGrommet 750-1071t SleeveSpacer 753-05096A DriveControlAssernbly 750-04818tt SIv.Spcr.,25rnrnx 1.375x .375 747-1161A BladeControl 750-04825tt SleeveSpacer 746-04213 ControlCable 731-05463A Deck Baffle 749-04037 LowerHandle 710-0260A CarriageBolt, 5/16-18x.62 725-0157 CableTie 712-04063 FlangeLock Nut,5/16-18 731-05462A Trailshield...
  • Page 18 Model Series 820 shown reference shown for reference...
  • Page 19 Ref. PartNo. Description 754-04093 V-Belt 732-04338 SpringLever 720-0230 FoamGrip 717-04184A SpurGear,14T- LH 710-0599 TT Screw,1/4-20x 0.50 750-04305A Spacer 749-04267A CrossBracket 687-02204 FrontBracketAssembly 731-05470 ClipSpacer 741-04136B SplitHex FlangeBearing PARTS 734-1987 FrontWheel 712-04065 FlangeLock Nut,3/8-16 634-04363 RearWheel To order replacement 710-04531 Screw,1/4-20x .39 i,8oo:8oo:731o 717o04192A SpurGear,14ToRH 736-3084...
  • Page 20: Limited Warranty

    To locate the dealer in your area, check your Yellow Pages, lasts, sothe aboveexclusions or limitationsmaynot applyto you. or contact MTD LLC at RO. Box 361131,Cleveland, Ohio 44136- In no event shallrecoveryof any kindbe greaterthanthe amountof the 0019, or call 1-800-800-7310 or 1-330-220-4683 or log on to our purchasepriceof the productsold.Alterationof safety features of...

This manual is also suitable for:

Series 820

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