Craftsman 917.250480 Owner's Manual page 23

SERVICE AN ADJUSTMENTS
TO REPLACE MOTRON DRIVE BELT
(See Fig. 27)
Park the tractor on level surface. Engage parking brake.
For ease of service there is a belt installation guide decal on
bottom of leftfootrest, it is not necessary to remove mower.
BELT REMOVAL -
= Engage parking brake (creates slack in belt).
- Remove mower drive belt from electric clutch pulley
only (See "TO REPLACE MOWER DRIVE BELT" in
this section of this manual).
o Roll motion drive belt off transaxle putley.
• Roll belt off clutching idler pulleys, then off engine
pulley and front V-idler pulley.
• Pull belt out of all belt keepers.
BELT INSTALLATION -
• Place V part of belt into grooves on engine pulley and
front V-idler, making sure to route belt inside of belt
keepers.
• Put belt coming from V-idler above midspan belt keeper,
then onto clutching idler pulleys as shown.
Make sure V part of belt engages V-idler.
, Place belt around transaxle pulley, beginning at top.
V part of belt should engage transaxte pulley.
= Place long tower section of belt th rough loop in midspan
belt keeper.
o Check to be sure belt is on proper side of all belt
keepers.
• Reinstall mower drive belt onto electric clutch pulley,
IMPORTANT: CHECK BRAKE ADJUSTMENT.
TRACTOR V-BELT DRIVE SCHEMATIC
VIEWED FROM L.H. SIDE OF TRACTOR
CLUTCHING
IDLER
CLUTCHING
FLAT IDLER
BELT
EEPER
ENGINE
PULLEY
V-IDLER
BELT
KEEPER
TRANSAXLE
PULLEY
FiG. 27
TO ADJUST STEERING WHEEL AUGNMENT
If steering whee! crossbars are not horizontal (left to right)
when wheels are positioned straightforward, 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. 28) -
o 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. 28 and 29) -
, 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.
B
FRONT OF TRACTOR
A
FiG, 28
..................... ADJUSTMENT SLEEVES
TIE ROD
JAM NUTS
FIG. 29
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!depart-
ment.
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