Installing a new MAIN DRIVE SHAFT, WORM GEARS or BEARING BLOCKS
DRIVE
SHAFT
SPACER
SETSCREW
DRIVE
CHAIN
CHAIN
GUARD
[1] Remove the CHAIN GUARD.
[2] Loosen the 4 MOUNTING SCREWS.
[3] Remove:
• DRIVE CHAIN
• 4 SCREWS from the 2 BEARING BLOCKS
• SHIMS
• DRIVE SHAFT
[4] Install the new WORM GEAR or BEARING BLOCKS.
[5] Place the SHIMS under the BEARING BLOCKS.
[6] Install, but do not tighten, the 4 SCREWS in the BEARING BLOCKS.
[7] Adjust the position of the BEARING BLOCKS until the DRIVE SHAFT moves freely.
7C8772 – 12JAN99
WORM
GEAR
PIN
Adjustments and Replacements
4 MOUNTING
SCREWS
4 SCREWS
2 BEARING
BLOCKS
2 SHIMS
H172_0634DCA
H172_0634DA
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