Poulan 178500 Lawn Mower User Manual


 
23
FIG. 31
RETAINING
RING
WASHERS
AXLE COVER
SERVICE AND ADJUSTMENTS
TO REMOVE WHEEL FOR REPAIRS
FRONT WHEEL (See Fig. 31)
Block up axle securely.
Remove axle cover, retaining ring and washers to allow
wheel removal.
Repair tire and reassemble.
Replace washers and snap retaining ring securely in
axle groove.
Replace axle cover.
REAR WHEEL -
Block rear axle securely.
Remove five (5) hub bolts to allow wheel removal.
Repair tire and reassemble. Replace and tighten hub
bolts securely.
NOTE: To seal tire punctures and prevent flat tires due to
slow leaks, tire sealant may be purchased from your local
parts dealer. Tire sealant also prevents tire dry rot and
corrosion.
FIG. 28
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.
A
B
FRONT OF TRACTOR
FIG. 29
JAM NUTS
ADJUSTMENT SLEEVES
TIE ROD
FIG. 30
BELT
KEEPER
ENGINE
PULLEY
V-IDLER
ENGINE
PULLEY
CLUTCHING
FLAT IDLER
CLUTCH-
ING IDLER
BELT
KEEPER
BELT
TWISTS
ABOVE BELT
KEEPER
BELT
KEEPER
TRANSAXLE
PULLEY
V-IDLER
AS VIEWED FROM BOTTOM
TRACTOR V-BELT DRIVE SCHEMATIC
VIEWED FROM L.H. SIDE OF TRACTOR