Craftsman 987.889 owner manual Bladedrivebelt Adjustment, It forward to take up slack in the belt

Page 28

SERVICE AND ADJUSTMENTS

BLADEDRIVEBELT

ADJUSTMENT

If the blade drive belt is slipping due to lack of belt tension, follow the steps below.

1.Stop engine, wait for all parts to stop moving, an d disconnect spark plug wire.

2.Remove belt cover as described in "Belt Cover Removal" instruc- tions.

3.With mower on level ground, adjust blade cutting height at about 3" (measure fro.m ground to flat portion of blade).=

4.With the Blade Drive Control (Figure 5-7) in the disengaged position, set a gap of 1/8" between the spring (F, Figure 5-9) and flat washer (E) by adjusting the nut

(D).

5.Reinstall the belt cover

securely.

6.Test the operation of the blade brake (see "Blade Brake Control

Test").

7.If the drive belt slips during op- eration, it may be necessary to re- locate idler (J, Figure 5-9) in the slot provided in the mounting bracket. With the engine stopped and the spa.rk plug wire disconnected, loosen the hardware on the idler (J) and slide

it forward to take up slack in the belt.

8.Engage the blade drive and measure the distance (X, Figure 5-8) between the centers of pul- leys (K) and (L). The distance should be 5-1/2 to 5-5/8". After obtai0ing the correct dimension, reinstall the belt cover securely and test the operation of the blade brake.

-<--Adjustidlerin direction

ofarrowtotighten belt

Figure 5-9: Blade drive adjustment.

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Image 28

Contents Craftsman Safety Rules GeneraloperationDo not Safety RulesNever refuel the machine indoors Safety Rules Maintenance Agreement Horsepower DisplacementNET Engine Weight This Warrantydoesnot CoverTable of Contents IndexAccessories and AI Iachments GasCanMower GrassCatcherContents of Hardware Pack Assembly AssemblystepsTools NeededForAssembly Unpacking InstructionsAttachand AdjustGear Select Lever Attach ControlRodsAttachWheel DriveControl Rod AttachOperatorPresence ControlRodAssembly Rear view of control rodsCheckTire Pressure After Assemblingand BeforeUsingUnitTestWheel Brake Safety Standard OperationKnowyourequipment OperatorPresenceControlOperation BladeDriveControlGearSelect Lever Blade DrivecontrolWheel Drive Control CuttingHeight ControlLeverMulcher Cover Wheel DrivecontrolBeforeoperating EngineThrottle ControlEngineRecoil Starter THRoJiLECONTROLBeforestartingengine AddMotor OilFill Fuel Tank Change oil after the first 2 operatAdjustMower CuttingHeight Disconnect spark plug WireTest Blade-Brake-Clutch ControlSystem Select Mulchingor Side-DischargeMowingStartingandstoppingtheengine EngagingthebladesToengagethewheels MakingturnsTo Stop the Wheels Tor Presence Control A, FigureMowingtipsandhints Bladebrakecontrol Test Engage the wheels with the Wheel Drive Control and driveInterval Service Customer ResponsibilitiesLubrication IntervalCustomer Responsibilities EnginecleaningMotoroil AIR Cleanerservice Tippingmowerforservice To Service FoamAir Filter A, -3 ToRemove and Install FiltersService and Adjustments Bladespindlebelt ReplacementSparkplug CarburetorBladedrivebelt Replacement BladebrakereplacementToInstall Belt To Remove BeltAdjustidlerin direction Ofarrowtotighten belt Bladedrivebelt AdjustmentIt forward to take up slack in the belt Bladedrivecontrollever Wheeldrivebeltreplacement Adjustment Install new belt shownWheeldrivebelt Adjustment ToAdjustWheel Drive BeltToTestWheel Traction Remove cotter pin A, Figure 12A from upper end of WheelWheelbrakeadjustment Transmissionneutral AdjustmentMowerblades To InspectBladesBladeSharpening SharpenedBladeService AdjustmentsBlade Installation Torqueto Mower Blade Washer BoltHTorqueto 35 Ft. LbsStorage OFF-SEASONSTORAGEEngine Engine OILTroubleshooting Throttle controlout of adjustmentPossiblecause Broken,loose orworn beltsOperating and Safety Decals SafetydecalsCraftsman 8HP Model 987.889000 Repair Parts Handlebarand ConsoleassemblyDriveassembly Part Description Qty 17699041100243 1915933Craftsman 8HP Model 987.889000 Repair Parts FrontframeassemblyPart Description Qty 1186393 1769895Ref. Part 149Mowerdeckassembly 158 320 LOCTITE242,0.02 OZ.TUBEBLACKSPRAYPAINTCAN,13 OZ Torqueto 3181910917 11002441773523 1764140RJS Transaxleassembly Craftsman4-Cycle,8HP EngineModel 305 35574 OilFinTube 35319 0ilSeal 126 34036 400110100S 171 28424 BreatherElement 35262A1,364481 40009 172 28425 ValveCover 173 35350 BrealherTube 416 34479ACraftsman 81-1PMODEL 987.889000 Repair Parts Craftsman4-Cycle,8HP EngineModel143.988000¢p-.4 Craftsiian 8HP Model 987.889000 Repair Parts590701 Starter Handle Page Page Crrftsmrn Form 1905122 3/98