Snow Hawk 600HO, Set-Up, Service And Shop Manual

Page: 103 / 207

PRIMARY TRANSMISSION SYSTEM 8-5
GENERAL INFORMATION
Certain parts of the primary clutch can be replaced (recoil
spring, calibration disk, etc.) to improve the performance of the
vehicle at high altitude. The High Altitude Technical Data
included at the end of this manual contains all the information
required for calibration at high altitude.
▼
CAUTION
Such modifications should only be carried out by
experienced mechanics because of the effect the
modifications could have on vehicle performance.
◆
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)
o
Use the primary clutch tool (P/N 529027600) to hold the
clutch in place.
o
Remove the mounting bolt (No. 18).
o
Insert the primary clutch extractor (P/N 529022400) then
take out the primary clutch.
DISMANTLING
o
Unscrew the cover-retaining nut and remove the tab
washer below it.
o
Identify the blocks (No. 1) and note their respective
positions to assist with re-assembly. It is very
important that the blocks go back in the same
positions.
Spring cover
o
The clutch spring exerts a high pressure on its cover.
◆
WARNING
The clutch spring is very rigid. Never try to dismantle the
spring cover without the correct tools.
o
Use a spring compressor (P/N 529027300) to ease
disassembly.
o
Install the tools as indicated. Remove the 3 Allen
screws (No. 8) that hold the spring cover in place and
then unscrew the compressor.