Sears 917.257720 owner manual Service and Adjustments, To Replace Motion DRmVE Belt See Fig

SERVICE AND ADJUSTMENTS

TO REPLACE MOTION DRmVE BELT (See Fig, 30}

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 mower.

BELT REMOVAL-

•Raise hood and disconnect BLACK (grounding) bat- tery cable.

o Set parking brake (to get belt slack).

,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 -

Place 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.

• Release parking brake.

IMPORTANT: CHECK BRAKE ADJUSTMENT.

TRACTOR VoBELT DRIVE SCHEMATaC

VIEWED FROM L;H. SlOE OF TRACTOR

CLUTCHBNG

_DLER

BELT

CLUTCHING

FLAT gDLER

ENGINE

PULLEYABOVE

VqDLER

	BELT
	TWISTS
	BELT	TRANSAXLE
PULLEY	KEEPER	PULLEY

AS VIEWED FROM BOTTOM

RG. 30

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.

FRONT WHEEL TOE-IN ADJUSTMENT

Front wheel toe-in is 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 (Se e Fig. 31) -

•Position front wheeis 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 TOE-IN (See Figs. 31 and 32) -

•Loosen jam nuts at adjustment sleeves on tie rod.

•Adjusttieroduntildimenslon"A"isl/8"tol/4"lessthan dimension "B".

o Tighten jam nuts securely.

B

_ FRONT OF TRACTOR _

FIG. 31

ADJUSTMENT SLEEVES

TIE ROD

JAM NUTS

/\

FIGo 32

FRONT WHEEL CAMBER

The front whee camber is not adjustable on your tractor. If damage has occurred to affect the front wheel camber, contact your nearest authorized service center/depart- ment.

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