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Figure 16
Upper Drive Belt
• Locate the transmission idler pulley on the upper drive belt by looking through the battery tray opening.
SeeFigure16.
• 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 counterclockwise to roll the belt off of 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 16.
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 to determine if you feel you could successfully complete
it. If you don’t, see an authorized MTD service dealer to have the belt changed.
IMPORTANT:
Note the routing of the lower drive belt around both the pulleys and the belt keepers
BEFORE performing the following steps.
• Locate the variable-speed pulley by looking through the battery tray opening. See Figure 16.
• Remove the variable-speed pulley by loosening the hex bolt that affixes it to the transmission. Use a
second wrench to hold the hex nut on the bottom side of the pulley.
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
Electric PTO Clutch
Single-speed
Transmission
Shift Lever
Opening
Double-Idler Bracket
Idler Bracket
to AutoDrive
™
pedal
Belt Keeper
NOTE: View shown from above tractor.
Engine Pulley