Sears 917.257643 Adjustm, To Adjust Brake See Fig, To Replace Motion Drive Belt See Fig

Models: 917.257643

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AND ADJUSTM

TO REPLACE MOWER BLADE DRIVE BELT

WITHPARKINGBRAKE "ENGAGED"

 

(See Fig. 25)

The mower blade drive belt may be replaced without toots_

Park the tractor on level surface° Engage parking brake.

BELT REMOVAL -

Place attachment clutch in "DISENGAGED" position,

°Move attachment lift lever forward to lowermowerto its _owestposition°

Roll belt off engine pulley_

o Work bett off both mandrel pulleys and idler'pulley.

oPull belt away from mower.

BELT INSTALLATION -

• {nstall new belt in reverse order of removal.

=Make sure belt is inalt pulley grooves and insideall belt guides,

MANDRELIDLER

PULLEYPULLEY

MANDREL

PULLEY

FIG. 25

TO ADJUST BRAKE (See Fig. 26)

Your tractor'is equipped with an adjustable brake system which is mounted on the right side of the transaxle,

If tractor requires more than six (6) feet stopping distance at high speed in highest gear, then brake mustbe adjusted°

oDepressclutch,'10rakepedaland engage parkingbrake°

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

°If distance is other than 1-1/2",disengage parking brake, loosen jam nut and turn nut "A" until distance becomes 1-1/2". Retighten jam nut against nut "A".

°Engage parking brake and recheck distance.

°Road test tractorfor properstoppingdistanceas 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_

NUT "A"

AM NUT

TING ARM

FIG. 26

TO REPLACE MOTION DRIVE BELT (See Fig. 27)

Park the tractor on level surface° Engage parking brake,_ For assistance, there is a belt installation guide decal on bottom side of left footrest,

Remove mower (See 'q'OREMOVE MOWER" in this section of this manuaL)

°Remove upper belt keeper,

°Remove beR from stationary idler and clutching idler_

°Pull belt slack toward rear of tractor, Remove belt

upwards from transaxle pulley by deflecting belt keep-

ers,,

°Pul]belt toward front of tractorand remove downwards from around engine pulley.

°Install new belt by reversing above procedure.,

IMPORTANT; MAKE SURE UPPER BELT KEEPER IS POSITIONED PROPERLY BETWEEN LOCATOR TABS.

 

 

 

 

LOCAi'OR

CLUTCHING

 

 

TABS

 

 

 

IDLER

 

 

 

 

 

 

 

 

UPPER BELT

STATIONARY

 

 

KEEPER

"*""

 

 

IDLER

 

 

 

 

TRANSAXLE

 

 

 

 

PULLEY

"

"_,

°

.

0

FIG, 27

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Sears 917.257643 Adjustm, To Adjust Brake See Fig, To Replace Motion Drive Belt See Fig, To Replace Mower Blade Drive Belt