Sears 917.251551 manual Service a Adjustments, To Replace Mower Drive Belt

Page 21

SERVICE A ADJUSTMENTS

FRONT-TO-BACK ADJUSTMENT (See Figs, 20 and 2!) -

IMPORTANT: DECK MUST BE LEVEL SIDE-TO-SIDE. IF THE FOLLOWING FRONT-TO-BACK ADJUSTMENT IS NECESSARY, BE SURETO ADJUST BOTH FRONT LINKS EQUALLY SO MOWER WILL STAY LEVEL SIDE-TO-SIDE.

To obtain the best cutting results, the mower housing should be adjusted so the front is approximately 1/8" to 1/2" lower than the rear when the mower is in its highest position.

Check adjustment on right side of tractor. Measure dis- tance "F" directly in front of and behind the mandrel at bottom edge of mower housing as shown.,

•Before making any necessary adjustments, check that both front links are equal in length,

°If links are not equal in length, adjust one link to same length as other link,,

•To lower front of mower housing, loosen nut"G"on both

front links an equal number of turns

. When distance "F" is 1/8" to 1/2" lower at front than rear, tighten nut "H" against trunnion on both front links.

°To raise front of mower housing, loosen nut "H" from trunnion on both front links,, Tighten nut "G" on both

front links an equal number of turns°

oWhen distance "F" is 1/8" to 1/2" lower at front than

rear, tighten nut "H" against trunnion on both front links.

NOTE: Each full turn of nut "G" will change dim,, "F" by approximately 3!8".

°Recheck side-to-side adjustment.,

TO REPLACE MOWER DRIVE BELT

MOWER DRIVE BELT REMOVAL (See Fig, 22) -

°Park tractor on a level surface., Engage parking brake,

oRemove four screws from L.H_ mandrel cover and remove cover,

oRoll belt over the top of LHo mandrel pulley, o Remove belt from electric clutch pulley°

° Remove belt from idler pulleys,

. Remove any dirt or grass clippings which may have

accumulated around mandrels and entire upper deck surface.

•Check primary idler arm and two idlers to see that they rotate freely,

•Be sure spring is securely hooked to primary idler arm and bolt in mower housing,,

MOWER DRIVE BELT INSTALLATION (See Fig,, 22) *

•Install belt in both idlers° Make sure belt is in both belt keepers at the idlers as shown°

•Install new belt onto electric clutch pulley°

°Roll belt into upper groove of L,,H, mandrel putley_

•Carefully check belt routing making sure belt is in the grooves correctly and inside belt keepers,

. Reassemble L,H_ mandrel cover,,

L°H,

 

SPRING

MANDREL

SCREWS

ELECTRIC

COVER

CLUTCH

 

IDLER

PULLEY

PULLEYS

PRIMARY

IDLER ARM

FIG. 2O

BOTH FRONT LINKS SHOULD BE EQUAL IN LENGTH

BOLT IN

MOWER

HOUSING

MANDREL

MOWER

DRIVE BELT

BELT KEEPERS

NUT "G"

FIG. 22

NUT "H"

FRONT LINKS

FIG. 21

21

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Contents For Consumer Assistance HOT LINE, Call this Toll Free Number General Operation Portant Safety precautionsI1. Slope Operation Iii. ChildrenProduct Specifications Maintenance AgreementLimited 90 DAY Warranty on Battery Customer Responsibilities11-15 Customer Responsibilities Assembly OperationPerformance Engine MaintenanceContents of Airidware Pack Tools Required for Assembly AssemblyTo Remove Tractor from Carton Before Rolling Tractor OFF SkidInstall Seat See Fig Connect Battery See FigAccess Check Tire PressureAssem LY Install Mower and Drive Belt See FigsCheck Mower Levelness For Proper Position ALLChecklist Operatio Knowyourtractor To Adjust Mower Cutting Height See HOW to USE Your TractorOperaon To SET Parking Brake See FigOperatson To Adjust Gauge Wheels See FigTo Operate on Hills To TransportTo Start Engine See Fig ADD GasolineCusto R Espons Lubrication ChartGeneral Recommendations Before Each USETractor Blade Removal See FigCheck Transaxle OIL Level To Clean Battery and Terminals BatteryIL E EngineCleaning MufflerSpark Plugs To Install Mower Service AN AdjustmentsTo Level Mower Housing TractorTo Replace Mower Drive Belt Service a AdjustmentsTo Adjust Attachment Clutch Service and AdjustmentsTo Adjust Brake See Fig To Replace Mower Blade Drive BeltFront Wheel TOE-IN Adjustment To Adjust Steering Wheel AlignmentServhce AN To Replace Motion Drive BeltTo Remove Wheel for Repairs Servhoe and AdjustmentsTo Replace Headlight Bulb Interlocks and Relays$.ERVICE AN To Remove Hood and Grill Assembly See FigADJ $TMENT$ See FigTo Adjust Choke Control To Adjust Throttle Control Cable See FigEngine See FigsTo Adjust Carburetor See Fig Service and AdjustmentsOther StorageFuel System Engine OILProblem CauseCorrection Trou Leshooting Points Problem Cause CorrectionEngine Connector SchematicTractor - Model Number UnitElectrical Tractor -- Model NumberKEY Part Description Tractor --MODEL NumberChassis and Enclosures REPAnR Parts 3836 355138 6156 Ground Drive138390 RepaurpartsSteering Assembly KEY Part NO. no Tractor - Model Number 917,251551Spark Arrester KIT EngineNO. no KEY PartNOo Seat AssemblyDecals Tractor = Model NumberKEY Insert StrgTractor Model Number Lift Assembly1216 20 19Lift Assembly 222 Mower DeckKEY Part Tractor -=MODEL NumberTransaxle 3158887 Tractor - Model Number TransaxleUoS, inches 14 151617 Kohler Engine Model Number CV22 PS67515Crankcase KEY Part NO, no Cylinder HEAD/VALVE/BREATHER KEY Part Description20 19 18 17 13 t Tractor - Model Number 917.25!551Kohler Engine -MODELNUMBER CV22 PS67515 KEY Part NO. no Description Blower Housing & BafflesIGNITION/ELECTRICAL Not IllustratedStartingsystemi Starting System OIL Panilubrication KEY Part DescriptionPart Description Engine Controls KEY Part DescriptionTRACTOR-- Model Number Fuel System KEY Part NO, no CrankshaftExhaust KEY Part Otes Suggested Guide for Sighting Slopes for Safe Operation For Repair SERVICE, Call this Toll Free Number If YOU Need Repair Service or PartsModel Number Engine Model NO. CV22-67515 Part Number Part Description
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