Service and adjustments – Poulan 177925 User Manual
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SERVICE AND ADJUSTMENTS
TRANSMISSION REMOVAL/REPLACEMENT
Should your transmission require removal for service or
replacement, it should be purged after reinstallation and
before operating the tractor. See “PURGE TRANSMIS-
SION” in the Operation section of this manual.
A
B
FRONT OF TRACTOR
FIG. 29
FIG. 27
ENGINE PULLEY
RETAINER
SPRING
DRIVE BELT
TENSION HANDLE
BELT KEEPER
BELT
KEEPER
V-IDLER
CLUTCHING
IDLER
CLUTCHING
FLAT IDLER
BELT
KEEPER
FLAT IDLER
TRANSAXLE
PULLEY
TRANSAXLE MOTION CONTROL LEVER
NEUTRAL ADJUSTMENT (See Fig. 28)
The motion control lever has been preset at the factory and
adjustment should not be necessary.
•
Park tractor on level surface. Stop tractor by turning
ignition key to “OFF” position and engage parking brake.
•
Loosen the adjustment bolt in front of the right rear
wheel.
•
Move motion control lever to the neutral position (N).
•
Tighten the adjustment bolt.
FIG. 28
ADJUSTMENT
BOLT
JAM NUTS
ADJUSTMENT
SLEEVES
TIE ROD
FIG. 30
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 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 (See Fig. 29)
•
Position front wheels 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. 29 and 30)
•
Loosen jam nuts at adjustment sleeves on tie rod.
•
Adjust tie rod until dimension “A” is 1/8" to 1/4" less than
dimension “B”.
•
Tighten jam nuts securely.
FRONT WHEEL CAMBER
The front wheel camber is not adjustable on your tractor. If
damage has occurred to affect the front wheel camber,
contact your nearest authorized service center/department.
BELT INSTALLATION -
•
Install new belt around engine pulley first, then around
transaxle pulley and lastly into all the idler pulleys.
•
Check to be sure belt is positioned correctly and is on
proper side of all belt keepers.
•
Engage the drive belt tension handle and replace the
retainer spring.
•
Reinstall mower.