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Changing the Transmission Drive Belt
WARNING:
Be sure to shut the engine off,
remove ignition key, disconnect the spark plug
wire(s) and ground against the engine to
prevent unintended starting before removing
the belt(s).
All belts on your tractor are subject to wear and should
be replaced if any signs of damage are observed.
NOTE: It is recommended that both drive belts be
replaced at the same time.
The V-belts found on your tractor are
IMPORTANT:
specially designed to engage and disengage safely. A
substitute (non-OEM) V-belt can be dangerous by not
disengaging completely. For a proper working machine,
use factory approved belts.
To change or replace the drive belt on your tractor,
proceed as follows:
•
Remove the cutting deck as instructed earlier.
•
After disconnecting the battery cables, remove the
battery and battery tray from beneath the seat.
When removing the battery, disconnect
IMPORTANT:
the negative (black) wire from its terminal first, followed
by the positive (red) wire. Re-install in reverse order.
Variable-Speed
Pulley
Two-speed
Transmission Pulley
Transmission
Shift Lever
Rear Idler Pulley
Battery Tray
Opening
Belt Keeper
Double Idler Bracket
Transmission Idler Pulley
Idler Bracket
NOTE:
Figure 17
Upper Drive Belt
•
Locate the transmission idler pulley on the upper
drive belt by looking through the battery tray
opening. See Figure 17.
•
Grasp the bracket and pivot the transmission idler
pulley toward the rear of the tractor to release
tension on the upper drive belt.
•
Remove the belt from around the transmission idler
pulley.
•
Remove the upper drive belt from around the
transmission pulley and the variable-speed pulley.
NOTE: Slowly rotate the pulley counter-clockwise to roll
the belt off it.
•
Remove the upper drive belt by pulling it up through
the battery tray opening.
•
Reroute the new upper drive belt as shown in
Figure 17.
Lower Drive Belt
NOTE: Proper removal of the lower drive belt requires
the removal of several tractor components. Read
through the following procedure prior to attempting it;
determine if you can successfully complete it.
Otherwise, see an authorized Troy-Bilt Service Dealer
for the job.
Front Idler Pulley
Keeper Pins
View shown from above tractor.
21
Drive belt (Lower)
Drive belt (Upper)
Engine Pulley
Electric PTO Clutch
Belt Keeper
Front of Tractor
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