AD Boivin 2002 Snow Hawk, Service Manual

Page: 76 / 173

PRIMARY TRANSMISSION SYSTEM 8-8
Replace the bushing if their diameter is greater than the
prescribed limit of wear.
Sliders
Check to see if the slider blocks are worn. Replace them when
the thickness at the base is reduced to 1 mm (.039 in) or less.
1. Measure the thickness of the base here
2. Sliding sheave here
3. Lower side
Replacing the bushing
Large bushing
Remove the allen screws if necessary. Heat the screws to break
the Loctite adherence. (See photo at right)
Remove the 3 slider blocks.
Install an application plate (P/N 529 0311 03) inside the sliding
sheave.
Place the extractor (P/N 529 0311 02) under the bushing.
Install the extractor screw head in a vise.
Turn the half-pulley manually to take out the old bushing.
Before installing the bushing, file the bore of the sliding half-
sheave to remove any burrs from the bore.
Coat the outside diameter of the bushing with Loctite 609 (P/N
413 7031 00). Place the new bushing on the sliding sheave,
then tap it gently to install it correctly in the sliding sheave. Use
tools (P/N 529 0312 00 and 529 0313 00) to install the bushing.
Install 3 allen screws and the washers supplied with the new
bushing.
Small bearing
l
NOTICE:
The procedure described below can be carried out using a press
and the same tools.
Install the extractor in a vise.
Small bushing
Large bushing
SECONDARY CLUTCH BUSHING
WEAR LIMITS mm (in)