Sears 917.250551 Service And Adjustments, To Replace Motion Drive Belt, As Viewed From Bottom Fig

SERVICE AND ADJUSTMENTS

TO REPLACE MOTION DRIVE BELT

(See Fig. 26)

Park the tractor on level surface Engage parking brake_ For ease of service there is a belt installation guide decal on bottom of left footrest It is not necessary to remove mowe r.

BELT REMOVAL -

Engage parking brake (creates slack in belt)_

Remove mower drive belt from electric clutch pulley only (See "TO REPLACE MOWER DRIVE BELT" in this section of this manual)

Roll motion drive belt off transaxle pulley.

Roll belt off clutching idler pulleys, then off engine pulley and front V-idler pulley_

Pull belt out of all belt keepers

BELT INSTALLATION -

oPlace V part of belt into grooves on engine pulley and front V-idler, making sure to route belt inside of belt keepers

Put belt coming from V-idler above midspan belt keeper, then onto clutching idler pulleys as shown_

Make sure V part of belt engages V_idler.

Place belt around transaxle pulley, beginning at top_ V part of belt should engage transaxle pulley.

Place long lower section of belt through loop in midspan belt keeper

Check to be sure belt is on proper side of all belt keepers

oReinstall mower drive belt onto electric clutch pulley

IMPORTANT: CHECK BRAKE ADJUSTMENT

TO ADJUST STEERING WHEEL ALIGNMENT

If steering wheel crossbars are not horizontal (left to right) when wheels are positioned straightforward, remove steer-

ing wheel and reassemble per'instructions in the Assembly section of this manual

TRACTOR V-BELT DRIVE SCHEMATIC

VIEWED FROM LH. SIDE OF TRACTOR

CLUTCHING

IDLER

BELT

CLUTCHING'KEEPER

FLAT IDLER

ENGINE

PULLEY

V-IDLER

FRONT WHEEL TOE-IN ADJUSTMENT

Front wheel toe-inis required for proper steering operation. Toe-in was set at the factory and adjustment should not be necessary If parts in the front axle or steering mechanism have been replaced or damaged, check toe-in and adjust if necessary

TO CHECK TOE-IN (See Fig. 27) -

o Position front wheels straight ahead_

°Measure distance between wheels at front and rear of tires (dimensions "A" and "B")

°Front dimension "A" should be 1/8" to 1/4" less than rear'dimension "B"

TO ADJUST TOEqN (See Figs. 27 and 28) -

o Loosen jam nuts at adjustment sleeves on tie rod.

oAdjust tie rod until dimension "A" is 1/8" to !/4" lessthan dimension "B"

oTighten jam nuts securely

FRONT WHEEL CAMBER

The front wheel camber is not adjustable on your tractor_ If damage has occurred to affect the front wheel camber,

contact your nearest authorized service centeddepart- ment

FIG, 27

ADJUSTMENT

!SLEEVES

JAM

NUTS

FIG. 28

BELT

TWISTS

BELT TRANSAXLE

KEEPER PULLEY

AS VIEWED FROM BOTTOM

FIG. 26

22