Craftsman EZ3 917.251630 Owner's Manual page 23

...... nnlll lu ,,lu,n , i,,,i,i
SERVICE AND ADJUSTMENTS
i i,,,,uml ,,i,,,,11,1 rT i ,nnln, nl,u ,_,,,i .............
TO ADJUST STEERING WHEEL ALIGNMENT TO REPLACE MOTION DRIVE BELT
(See Fig. 26)
Park the tractor on level surface, Engage parking brake°
For ease of service there is a belt installation guide decal on
bottom of left footresL It is not necessary to remove mower°
BELT REMOVAL *
° Engage parking brake (creates slack in belt)o
o Remove mower drive belt from electric clutch pulley
only (See "TO REPLACE MOWER DRIVE BELT" in
this section of this manual)_
o Rolt motion drive belt off transaxle pulley°
• Roll be{t off clutching idler pulleys, then off engine
pulley and front V-idTer 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 transaxle pulley°
• P{ace long Iower section of belt through loop in midspan
belt keeper.
,, 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 FRQM LH. SIDE OF TRACTOR
ENGINE
PULLEY
CLUTCHING
IDLER
CLUTCHING
\ BELT
FLAT IDLER
V-IDLER
BELT
TWISTS
BELT TRANSAXLE
KEEPER PULLEY
AS VIEWED FROM BOSOM
FIG. 26
If steering wheel 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, 27) -
o Position front wheels straight ahead
- Measure distance between wheels at front and rear of
tires (dimensions 'W' and "B")o
o Front dimension/W' should be 1/8" to !/4" less than
rear dimension "B"
TO ADJUST TOE=IN (See Figs° 27 and 28) -
o Loosen jam nuts at adjustment sFeeves on tie rod°
= Adjust tie rod until dimension"A" is t/8" to 1/4" less than
dimension "B".
• Tighten jam nuts securelyo
B
FRONT OFTRACTOR
FIG. 27
ADJUSTMENT SLEEVES
TIE ROD
JAM NUTS
FIG. 28
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-
menL
23