Sears 917.25148 manual Service, Adjustments, To Replace Mower Drive Belt

Page 21

SERVICE AND

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,

FRONT-TO-BACK ADJUSTMENT (See Figs. 22 and 23) -

IMPORTANT: DECK MUST BE LEVEL SIDE-TO-SIDE. IF THE FOLLOWING FRONT-TO-BACK ADJUSTMENT tS

NECESSARY, BE SURE TO ADJUST BOTH FRONT LINKS EQUALLY SO MOWER WILL STAY LEVEL SfDE-TO-SlDE,,

To obtain the best cutting Jesuits, the mower housing should be adjusted so the front is approximately 1t8" 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.

otf links are not equal in length, adjust one !ink to same length as other tink_

•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

. When 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" wilt change dim, "F" by approximately 3/8".,

•Recheck side-to-side adjustment

_',%.

I

,7_ 1, MANDREL

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'q_@.;;' I ''F'' "F"t "_

FIG. 22

BOTH FRONT LINKS SHOULD BE EQUAL IN LENGTH

NUT "G"

NUT "H"

FRONT LINKS

TRUNNION

FIG. 23

ADJUSTMENTS

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TO REPLACE MOWER DRIVE BELT

MOWER DRIVE BELT REMOVAL (See Fig, 24) -,

. Park tractor on a level surface, Engage parking brake

oRemove four screws from L,H, mandrel cover and remove cover,

°Roll belt over the top of LH, mandrel pulley,

• Remove belt from electric clutch pulley,

• Remove belt from idter 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,

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

MOWER DRIVE BELT INSTALLATION (See Fig 24)

,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 LH mandrel pulley.

oCarefully check belt routing making sure beft is in the grooves correctly and inside belt keepers.

. Reassemble L.H. mandrel cover,

L.H.

 

SCREWS

MANDREL

IDLER

PULLEYS

 

 

COVER

"X_.,

ELECTRIC

 

CLUTCH

PULLEY

"!!ilr'

IDLER ARM

BELT

KEEPERSf

FIG., 24

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Contents Model Number 917.251480 Ownersmanual Safe Operation Practices for Ride-On Mowers Safety RulesCustomer Responsibilities Product Specifications Maintenance AgreementLimited TWO Year Warranty on Craftsman Riding Equipment Limited 90 DAY Warranty on BatteryTable of Contents Accessories and Attachments Engine MaintenancePerformance =Li Tools Required for Assembly AssemblyTo Remove Tractor from Carton Before Rolling Tractor OFF SkidBED Connect Battery See FigInstall Mower and Drive Belt See Figs Check Deck LevelnessCheck for Proper Position of ALL Belts Check Brake System Assei BLYPLATE---SCREW To Convert to Bagging or DischargingLock OperatuonKnow Your Tractor OperatnonTo Move Forward and Backward HOW to USE Your TractorBefore Starting the Engine To OperateTo Transport Operation To Start Engine See FigMulching Mowing Tips Maintenance Schedule Lubrication ChartFill N Dates AS YOU Complete Regularservice Service Dates General RecommendationsTractor Customer ResponsibilitiesCustomer Responsmbblities To Clean Battery and TerminalsEngine LubricationCustomer Fiiespons B UT ES CleaningMuffler Spark PlugsTo Level Mower Housing Service and AdjustmentsTo Install Mower Recheck measurements after adjustingService AdjustmentsTo Replace Mower Drive Belt To Adjust Brake See Fig To Adjust Attachment ClutchTo Adjust Steering Wheel Alignment Service AN AdjustmentsFront Wheel TOE-IN Adjustment To Replace Motion Drive Belt See FigTo Replace Headlight Bulb To Start Engine with a Weak Battery See FigsInterlocks and Relays To Replace FuseTo Remove Hood and Grill Assembly To Adjust Attachment Lift SpringTo Adjust Throttle Control Cable To Adjust Carburetor See FigSee Other StorageFuel SYSTEIVl Engine OILProblem Cause Correction Troubleshooting PointsCorrection Problem CauseService Notes Tractor Model Number Schematic Wiring Insulated ClipsRWjLjTj REPb,UFPARTS Description KEY PartRepair Parts KEY Part Description Repabr PartsRepair Parts KEY Part Description Tractor - Model NumberKEY Part DescriptionTractor = Model Number KEY Part NO, no Spark Arrester KIT Engine Tractor --MODEL NumberTractor -- Model Number 9!7.251480 Repaur PartsWheels & Tires Repair PartsTractor -- Model Number KEY Part NO, no REPAnFPARTS KEY UNCRepar Parts NPT TransaxleBreather and VENT1 Kohler Engine Model Number MV18S, Type NumberAIR Intake Tractor -- Model NumberCrankcase Carburetor Carburetor KEY Part Description Crankcase KEY PartdescriptionCylinder Head Part Description Electric StarterDipstick ExhaustReparfparts 20 x 5/8 FlywheelFuel Pump CAM Shaft AN oVALVES Camshaft Servbce Notes SERVmCE Otes Page Sight and Hold THiS Level with SKY Line or Tree MAX Sighting Only Ride UP and Down HILL, not Across HillFor Consumer Assistance HOT LINE, Call this Toll Free Number For Repair SERVICE, Call this Toll Free Number
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