Snow Hawk 600HO, Set-Up, Service And Shop Manual, Page: 106 / 207

PRIMARY TRANSMISSION SYSTEM 8-8
Using a bore dial gauge, measure the diameter of the bushing.
These measures must be taken at least 5mm (1/4 in) from the
edge of the bushing.
Replace the bushing if their diameter is greater than the
prescribed limit of wear.
Slider Blocks
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
o
Remove the three Allen screws. Heat the screws to
break the Loctite bond.
o
Remove the 3 slider blocks.
o
Install an application plate (P/N 529031103) inside the
sliding sheave.
o
Place the extractor (P/N 529031102) under the bushing.
o
Install the extractor screw head in a vise.
o
Turn the sheave manually to take out the old bushing.
o
Before installing the bushing, file the bore of the sliding
sheave to remove any burrs from the bore.
o
Coat the outside diameter of the bushing with Loctite
609 (P/N 413703100). Place the new bushing at the
opening of the sliding sheave, and then tap it gently to
install it correctly in the sliding half-pulley. Use tools
(P/N 529031200 and 529031300) to install the bushing.
o
Install the 3 Allen screws and the washers supplied with
the new bushing.
Small Bushing 38.30 (1.508)
Large Bushing 89.15 (3.510)
Wear limits on the secondary clutch
Garlock Bushings mm (in)