TO REMOVE / REPLACE DRIVE BELT

FRONT WHEEL GEAR DRIVE

Remove drive cover. Remove belt from gearcase pulley by pushing down on pul- ley and rolling belt off it.

Turn lawn mower on its side with air filter and carburetor up.

Remove blade.

Remove debris shield.

Remove belt from engine pulley on crankshaft.

Install new belt by reversing above steps. NOTE: Always use factory approved belt to assure fit and long life.

GEAR CASE WITH METAL HOUSING:

Drive

cover Belt

Belt keeper

PUSH DOWN

FRONT WHEEL BELT DRIVE

Remove drive cover by removing screw at rear of cover.

Remove belt from drive pulley.

Remove hubcaps and nuts from both front (drive) wheels. Remove wheels and washers from wheel adjusters.

At left (drive) wheel only, remove E-ring, pin- ion, roll pin, felt washer and dust cover.

Dust cover

Drive

cover Belt

PUSH DOWN

GEAR CASE WITH PLASTIC HOUSING:

Drive

cover Belt

PUSH DOWN

Nut

Washer

Hub

Felt

cap

washer

Roll pin

E-ringPinion

Remove retainer clip from drive shaft on left side of driven pulley.

While holding driven pulley, slide drive shaft to the right until belt can be re- moved from opening in housing.

Pull belt free from idler and take out of clutch frame.

Reverse procedure to install new belt. NOTE: When re-assembling pinion, be sure that the felt washer is in place behind the roll pin and that the roll pin is seated in the slots on the bearing and in the back of the pinion.

“AUTO WALK” OR “VARI-SPEED” ONLY

Remove drive cover and belt keeper.

Remove belt from gearcase pulley by pushing down on pulley and rolling belt off it.

Turn lawn mower on its side with air filter and carburetor down.

Remove blade and debris shield.

Remove belt from engine pulley on crankshaft.

Install new belt by reversing above steps. NOTE: Always use factory approved belt to assure fit and long life.

Upper adjust-

Clutch

ment hole

frame

Lower hole (original and

new belt

position) Driven pulley

Drive Clutch

pulley pulley

Idler

23Drive shaft

Retainer clip

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Poulan 172787 To Remove / Replace Drive Belt, Front Wheel Gear Drive, Front Wheel Belt Drive, Auto Walk or VARI-SPEED only