Poulan 176851 owner manual TO ADJUST BRAKE See Fig, TO REPLACE MOTION DRIVE BELT See Fig

SERVICE AND ADJUSTMENTS

TO ADJUST BRAKE (See Fig. 22)

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 on a level dry concrete or paved surface, then brake must be adjusted.

•Depress clutch/brake pedal and engage parking brake.

•Measure distance between brake operating arm and nut “A” on brake rod.

•If distance is other than 1-1/2", loosen jam nut and turn nut “A” until distance becomes 1-1/2". Retighten jam nut against nut “A”.

•Road test tractor 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/department.

WITH PARKING BRAKE "ENGAGED"

1-1/2"

NUT "A"

JAM NUT

OPERATING

ARM

FIG. 22

TO REPLACE MOTION DRIVE BELT (See Fig. 23)

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 “TO REMOVE MOWER” in this section of this manual.)

•Remove belt from stationary idler and clutching idler.

•Pull belt slack toward rear of tractor. Remove belt upwards from transaxle pulley by deflecting belt keep- ers.

•Pull belt toward front of tractor and remove downwards from around engine pulley.

•Install new belt by reversing above procedure.

ENGINE

PULLEY

CLUTCHING

IDLER

STATIONARY

IDLER

TRANSAXLE

PULLEY

TRANSAXLE GEAR SHIFT LEVER NEUTRAL ADJUSTMENT (See Fig. 24)

The transaxle should be in neutral when the gear shift lever is in neutral (N) (lock gate) position. The adjustment is preset at the factory; however, if adjustment is needed, proceed as follows:

•Make sure transaxle is in neutral (N).

NOTE: When the tractor rear wheels move freely, the transaxle is in neutral.

•Loosen adjustment bolt in front of the right rear wheel.

•Position the gear shift lever in the neutral (N) position.

•Tighten adjustment bolt securely.

NOTE: If additional clearance is needed to get to adjustment bolt, move mower deck height to the lowest position.

GEARSHIFT LEVER

NEUTRAL

LOCK GATE

ADJUSTMENT

BOLT

FIG. 24

TO ADJUST STEERING WHEEL ALIGNMENT

If steering wheel crossbars are not horizontal (left to right) when wheels are positioned straight forward, remove steer- ing wheel and reassemble per instructions in the Assembly section of this manual.

FRONT WHEEL TOE-IN/CAMBER

The front wheel toe-in and camber are not adjustable on your tractor. If damage has occurred to affect the front wheel toe- in or camber, contact your nearest authorized service center/department.

FIG. 23 21