23
Figure 21
• Slide the belt off of the variable-speed pulley
as you lift the pulley up and out through the
battery tray opening.
• Remove the rear idler pulley from the double-
idler bracket while unrouting the belt from
around both the rear and the front idler pulley.
Refer to Figure 21.
• Remove the hex bolt from the center of the
engine pulley (or the electric PTO clutch on
units so equipped) and gently lower it off of
the engine crankshaft. Be careful not to lose
any washers or spacers which may be found
on top of the engine pulley.
IMPORTANT:
When remounting the engine
pulley or electric PTO clutch, torque the center hex
bolt to between 38 foot-pounds and 50 foot-
pounds.
• Remove the drive belt by feeding it from both
ends toward the front idler pulley on the
double-idler bracket. See Figure 21.
• Reassemble by following the above steps in
reverse order.
• Reroute the new belt around the pulleys and
belt keepers EXACTLY as the old one was
routed. Refer to Figure 21.
The AutoDrive
™
pedal is properly adjusted when the
hole found in the double-idler bracket has
approximately 1-3/8" of travel with ten pounds of
pressure applied to the AutoDrive
™
pedal. See
Figure 22.
Figure 22
Adjust the AutoDrive
™
pedal after replacing the drive
belts on your tractor, if necessary, as follows:
• Locate the speed control assembly on the
underside of the steering support bracket. See
Figure 23.
• Remove both hairpin clips from the pin which
is fastened to the speed control assembly (be
careful not to lose the small flat washers found
on the pin). See Figure 23.
Drive belt (Lower)
Drive belt (Upper)
Front of Tractor
Rear Idler Pulley
Front Idler Pulley
Variable-speed
Pulley
Battery Tray
Belt Keeper
Transmission Idler Pulley
Transmission Pulley
Engine Pulley
Single-speed
Transmission
Shift Lever
Opening
Double-Idler Bracket
Idler Bracket
to AutoDrive
™
pedal
Belt Keeper
NOTE:
View shown from above tractor.
Electric PTO Clutch
(if so equipped)
(Upper Portion)
Front of Tractor
NOTE:
View shown from above tractor.
Double-idler
Bracket
Idler
Adj. Rod
Hole