AD Boivin 2002 Snow Hawk, Service Manual, Page: 73 / 173

PRIMARY TRANSMISSION SYSTEM 8-5
GENERAL INFORMATION
Certain parts of the primary clutch can be replaced (recoil
spring, calibration weights, etc.) to improve the performance of
the vehicle at high altitude. The "High Altitude Technical Data"
appendix at the rear of this manual contains all the information
for calibration at high altitude.
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CAUTION
Such modifications should only be carried out by
experienced mechanics because of the effect the
modifications could have on vehicle performance.
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WARNING
Any repair of the primary clutch must be carried out by an
authorized Snow Hawk dealer or by a competent person.
When installing parts, follow to the letter all the points
given in the procedure and respect the assembly
tolerances.
REMOVAL (PRIMARY CLUTCH)
If removing the primary clutch, first tighten the snap washer (No.
11) then unscrew the nut (No. 12).
Use the primary clutch tool (P/N 529 0276 00).
Remove the mounting bolt (No. 15).
Insert the primary clutch extractor (P/N 529 0314 00) then
proceed to remove the primary clutch.
DISASSEMBLY
Unscrew the nut and remove the tab washer.
Identify the blocks (No. 1) and note their respective positions for
reference when re-assembling. (See figure at right)
Spring cover
The clutch spring maintains pressure on its cover.
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WARNING
The clutch spring is very rigid. Never try to remove the
spring cover without the correct tools.
Using the spring compression tool (P / N 529 0273 00) as shown
in the figure on the following page, remove the 3 allen screws
(No. 7) that hold the spring cover in place and then unscrew the
compressor.
Remove the guide washer (No. 5).