Sears 917.25148 manual To Adjust Attachment Clutch, To Adjust Brake See Fig

Page 22

SERVICE AND

uJJ_t

TO REPLACE MOWER BLADE DRIVE BELT

(See Fig. 25)

Park the tractor on level surface. Engage parking brake.

oRemove mower drive belt (See'%OREPLACE MOWER DRIVE BELT in this section of th{s manual).

=Remove mower (See "TO REMOVE MOWER" in this section of this manual)..

,Remove four screws from R..H, mandrel cover and remove cover. Unhook spring from bolt on mower housing°

,Carefully roll belt off R,H. mandrel pulley,,

. Remove belt from center mandrel pulley, idler pulley, and LH, mandrel pulley.

oRemove any dirt or grass which may have accumu- lated around mandrels and entire upper deck surface.

°Check secondary idler arm and idler to see that they rotate freely,

•Be sure spring is hooked in secondary idler arm and sway-bar bracket.

•install new belt in lower groove of LH° mandrel pulley, idler pulley, and center mandrel puliey as shown.

,Roll belt over R.H mandrel pufiey, Make sure belt is in all grooves properly,

oReconnect spring to bolt in mower housing and rein- stall RH, mandrel cover.

,Reinstall mower to tractor (See"TO INSTALL MOWER" in the Assembly section of this manual),,

oReassemble mower drive belt (See "TO REPLACE MOWER DRIVE BELT" in this section of this manual).

L.H,MOWERCENTER

MANDREL BLADE

DRIVE BELT MANDREL

IDLER

PULLEY

R_R.

MANDREL

COVER

SECONDARY

IDLER ARM

SPRINGSWAY-BAR

BRACKETSCREW

FIG, 25

TO ADJUST ATTACHMENT CLUTCH

(See Fig. 26)

The electric clutch should provide years of service. The clutch has a buittqn brake that stops the pulley within 5 seconds° Eventually, the internal brake will wear which may cause the mower blades to not engage, or, to not stop as require& Adjustments should be made by your nearest authorized service center!department.

oMake sure attachment clutch and ignition switches are in "OFF" position r

OAdjust the three nylon locknuts until space between clutch plate and rotor measures _012" at all three slot locations cut inside of brake plate

ADJUSTMENTS

NOTE: After installing a new electric clutch, run tractor at full throttle and engage and disengage electric clutch 10 cycles to wear in clutch plate.

ROTOR \

CLUTCH PLATE

SLOT (3). '_;_

,,

 

012

/

\

NYLON LOCKNUT (3)

BRAKE PLATE

FIG° 26

TO ADJUST BRAKE (See Fig. 27)

Your tractor is equipped with an adjustable brake system which is mounted on the left side of the transaxle.

If tractor requires more than six (6) feet stopping distance at high speed in highest gear',then brake must be adjusted.

Depress clutch/brake pedal and engage parking brake.

°Measure distance between brake operating arm and nut "A" on brake rod.

,If distance is other than 1-3/4", toosen jam nut and turn nut "A" until distance becomes 1"3/4"r Retighten jam nut against nut "A"o

°Road test tractor for proper stopping distance as stated above. Readjust if necessary. If stopping distance is still greater than six (6) feet in highest gear, further maintenance is necessary. Contact your nearest au- thorized service center/department.

WITH PARKING BRAKE "ENGAGE"

OPERATING

 

ARM

JAM NUT

®

FIG, 27

22

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Contents Model Number 917.251480 Ownersmanual Safety Rules Safe Operation Practices for Ride-On MowersLimited TWO Year Warranty on Craftsman Riding Equipment Maintenance AgreementCustomer Responsibilities Product Specifications Limited 90 DAY Warranty on BatteryTable of Contents Engine Maintenance Accessories and AttachmentsPerformance =Li To Remove Tractor from Carton AssemblyTools Required for Assembly Before Rolling Tractor OFF SkidConnect Battery See Fig BEDCheck Deck Levelness Install Mower and Drive Belt See FigsCheck for Proper Position of ALL Belts PLATE---SCREW Assei BLYCheck Brake System To Convert to Bagging or DischargingOperatuon LockOperatnon Know Your TractorHOW to USE Your Tractor To Move Forward and BackwardTo Operate Before Starting the EngineTo Transport To Start Engine See Fig OperationMulching Mowing Tips Fill N Dates AS YOU Complete Regularservice Service Dates Lubrication ChartMaintenance Schedule General RecommendationsCustomer Responsibilities TractorEngine To Clean Battery and TerminalsCustomer Responsmbblities LubricationMuffler CleaningCustomer Fiiespons B UT ES Spark PlugsTo Install Mower Service and AdjustmentsTo Level Mower Housing Recheck measurements after adjustingAdjustments ServiceTo Replace Mower Drive Belt To Adjust Attachment Clutch To Adjust Brake See FigFront Wheel TOE-IN Adjustment Service AN AdjustmentsTo Adjust Steering Wheel Alignment To Replace Motion Drive Belt See FigInterlocks and Relays To Start Engine with a Weak Battery See FigsTo Replace Headlight Bulb To Replace FuseTo Adjust Attachment Lift Spring To Remove Hood and Grill AssemblyTo Adjust Carburetor See Fig To Adjust Throttle Control CableSee Fuel SYSTEIVl StorageOther Engine OILTroubleshooting Points Problem Cause CorrectionProblem Cause CorrectionService Notes Wiring Insulated Clips Tractor Model Number SchematicRWjLjTj REPb,UFPARTS KEY Part DescriptionRepair Parts Repabr Parts KEY Part DescriptionRepair Parts KEY Tractor - Model NumberKEY Part Description Part DescriptionTractor = Model Number KEY Part NO, no Spark Arrester KIT Tractor --MODEL Number EngineRepaur Parts Tractor -- Model Number 9!7.251480Repair Parts Wheels & TiresTractor -- Model Number KEY Part NO, no REPAnFPARTS UNC KEYRepar Parts Transaxle NPTKohler Engine Model Number MV18S, Type Number Breather and VENT1Tractor -- Model Number AIR IntakeCrankcase Carburetor Crankcase KEY Partdescription Carburetor KEY Part DescriptionCylinder Head Dipstick Electric StarterPart Description ExhaustReparfparts Flywheel 20 x 5/8Fuel Pump CAM Shaft AN oVALVES Camshaft Servbce Notes SERVmCE Otes Page Sighting Only Ride UP and Down HILL, not Across Hill Sight and Hold THiS Level with SKY Line or Tree MAXFor Repair SERVICE, Call this Toll Free Number For Consumer Assistance HOT LINE, Call this Toll Free Number
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