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21
• Slide the belt off of the variable-speed pulley
as you lift the pulley up and out through the
battery tray opening.
NOTE:
Jacking the rear of the tractor up off the
ground and securing it with jackstands at this point in
the procedure will ease the following steps, but is not
necessary.
• Remove the rear idler pulley from the double-
idler bracket while unrouting the belt from
around both the rear and the front idler pulley.
RefertoFigure16.
• Carefully unplug the tractor’s wire harness
from the connector on the electric PTO clutch.
SeeFigure17.
Figure 17
• Remove the hex bolt from the center of the
electric PTO clutch and gently lower the
electric PTO clutch off of the engine
crankshaft. Be careful not to lose the flat
washer found on top of the electric PTO
clutch. See Figure 17.
• The engine pulley is located directly above the
electric PTO clutch. Lower the engine pulley
far enough to be able to remove the upper
drive belt from around it. Be careful not to lose
the 1/4-inch square key which acts as a guide
for the pulley on the engine crankshaft.
IMPORTANT:
When remounting the 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 16.
• Reassemble by following the above steps in
reverse order.
IMPORTANT:
When remounting the electric
PTO clutch, make certain that the stud found to the
right of the engine crankshaft slides up through the
hole found in the top of the electric PTO clutch.
• Reroute the new belt around the pulleys and
belt keepers EXACTLY as the old one was
routed. Refer to Figure 16.
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 18.
Figure 18
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 19.
Figure 19
• 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 19.
• Remove the AutoDrive
™
pedal return spring.
• Using two 9/16" wrenches, remove the pin
from the speed control assembly. See Figure
19.
NOTE: View shown from beneath tractor.
Hex Bolt
Electric
PTO Clutch
Connector
FrontofTractor
NOTE: View shown from above tractor.
Double-idler
Bracket
Idler
Adj. Rod
Hole
Speed Control
Assembly
Hairpin
Clips
Idler
Adj. Rod
Pin
AutoDrive
™
Pedal
Return Spring
Place Wrenches Here
Neutral
Return
Bracket