23
SERVICE AND ADJUSTMENTS
TO REPLACE MOTION DRIVE BELT
(See Fig. 28)
Park the tractor on level surface. Engage parking brake. For
ease of service there is a belt installation guide decal on
bottom of left footrest.
•Remove mower (See “TO REMOVE MOWER” in this
section of this manual.)
BELT REMOVAL -
•Engage parking brake (creates slack in belt).
•Remove belt from clutching and fan idler pulleys.
•Loosen belt keeper above transaxle pulley.
•Remove belt from transaxle pulley.
•Remove belt from engine pulley and front V-idler pulley.
•Pull belt out of all belt keepers and remove from tractor.
BELT INSTALLATION -
•Place V part of belt into grooves on engine pulley and
front V-idler, making sure to route belt inside of all belt
keepers.
•Route belt on right side, coming from V-idler, towards
back of tractor, above midspan belt keeper and to top of
transaxle pulley.
•Route belt on left side, coming from engine pulley,
towards back of tractor and through loop in midspan belt
keeper.
•Place V part of belt into grooves on transaxle and fan
idler pulleys, making sure to route belt inside of all belt
keepers.
•Retighten belt keeper above transaxle pulley.
•Place belt around clutching idlers as shown, making
sure to route belt inside of all belt keepers.
•Check to be sure belt is positioned correctly and is on
proper side of all belt keepers.
•Reinstall mower.
IMPORTANT: CHECK BRAKE ADJUSTMENT.
TRACTOR V-BELT DRIVE SCHEMATIC
VIEWED FROM L.H. SIDE OF TRACTOR
V-IDLER
ENGINE
PULLEY
BELT
TWISTS
BELT
KEEPER
BELT
KEEPER
V-IDLER
AS VIEWED FROM BOTTOM
ABOVE BELT
KEEPER
TRANSAXLE
PULLEY
CLUTCHING
FLAT IDLER
CLUTCH-
ING IDLER BELT
KEEPER
ENGINE
PULLEY FAN
IDLER
FIG. 28
TO ADJUST MOTION CONTROL LEVER
(See Fig. 29)
The motion control lever has been preset at the factory and
adjustment should not be necessary.
If for any reason the motion control lever will not hold its
position while at a selected speed, it may be adjusted at the
friction pack located on the right side of chassis.
•Park tractor on level surface. Stop tractor by turning
ignition key to “OFF” position and engage parking brake.
•Place motion control lever in neutral (N) position.
•While holding locknut, loosen jam nut
•Tighten locknut 1/4 turn.
•While holding locknut, tighten jam nut securely.
NOTE: If for any reason the effort to move the motion control
lever becomes too excessive, reverse the above adjustment
procedure by loosening locknut 1/4 turn.
Road test tractor after adjustment and repeat procedure if
necessary.
JAM
NUT
LOCKNUT
FIG. 29
TRANSMISSION REMOVAL/REPLACEMENT
Should your transmission require removal for service or
replacement, it should be purged after reinstallation before
operating the tractor. See “PURGE TRANSMISSION” in
Operation section of this manual.
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. 30) -
•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. 30 and 31) -
•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.