Sears 917.25559 manual Service An, Adjustments, See Fig, To Replace Mower Blade Drive Belt, Pulley

Models: 917.25559

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SERVICE AN

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SERVICE AN

TO REPLACE MOWER BLADE DRIVE BELT

(See Fig. 24)

The mower blade drive belt may be replaced without tools. Park the tractor on levet surface, Engage parking brake. For assistance, there is a belt installation guide deca! on the mower housing.

BELT REMOVAL -

Place attachment clutch in "DISENGAGED" position.

°Move attachment lift lever forward to lower mower to its lowest position.

Roli belt off engine putley.

o DisconnectR.H. suspension arm from rear deck brackel by removing retainer spring.

,Work belt off both mandrel pulleys and idler pulleys.

oPull belt away from mower.

BELT INSTALLATION -

o install new belt in reverse order of removal.

Make sure belt is in all pultey grooves and inside all belt guides.

MANDREL

R.H. SUSPENSION ARM

ENGINE PULLEY

PULLEY _%

PULLEYS

RETAINER

SPRING

/

MANDREL

PULLEY

FiG, 24

ADJUSTMENTS

WITH PARKING BRAKE "ENGAGED"

"\,..i/

NUT "A"

fAM NUT

OPERATING

FIG, 25

TO REPLACE MOTION DRIVE BELT (See Figs, 26 & 27)

Park the tractor on level surface. Engage parking brake. For ease of service, remove rear drawbar from chassis

and belt keeper from transmission input pulley. For

assistance, there is a belt installation guide decal on bottom side of left footrest.

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

,Remove belt from stationary idler and clutching idler. ° Remove clutch locator.

Disconnect ctutch wire harness.

oRotate clutch assembly enough to altow belt to be removed downwards off engine pulley, under belt keeper, and around _lutch assembly.

Remove belt carefully upwards from transmission input pulfey and over cooling fan blades.

Install new belt by reversing above procedure, iMPORTANT: REPLACE ONLY WiTH BELT LISTED tN THIS MANUAL°

TO ADJUST BRAKE (See Fig, ,!5)

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

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

Depress clutch_tbrake pedal and engage parking brake.

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

oIf distance is other than 1-112", disengage parking brake, loosen jam nut and turn nut "A" until distance becomes 1-1/2% Retighten jam nut against nut "A"o

oEngage parking brake and recheck distance,

°Road test unit 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.

BELT KEEPE_

FAN

Fill, 26

2O

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Sears 917.25559 manual Service An, Adjustments, To Replace Mower Blade Drive Belt, TO ADJUST BRAKE See Fig, ,!5, Pulley