AD Boivin 2002 Snow Hawk, Service Manual, Page: 116 / 173

REAR SUSPENSION, SHOCKS AND TRACK 12 - 8
MAINTENANCE OF SHOCK ABSORBERS
This type of shock absorber can be completely rebuilt. It can be
calibrated, the shims can be replaced, or the sealing rings can
be replaced as need be. The driver can choose the precise
adjustment that corresponds to his or her driving style.
DISMANTLING
Free the nitrogen (N
2
) pressure by removing the needle-type
valve.
u u
WARNING
The nitrogen is under pressure; prudence is necessary
when removing the pressure of this gas. Wearing safety
glasses is necessary.
Remove the shock absorber spring by unscrewing the pre-load
collar and jam nut then by removing the spring retainer hat. To
carry out these operations, use tool (P/N 861 7439 00).
Install the shock absorber in a vise then remove the shock body
cap (complete) from the body of the shock absorber using a 32
mm (1.25 in) open-end wrench. Unscrew the cap in a counter-
clockwise direction.
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NOTICE:
Before unscrewing the pre-load collar and jam nut, mark their
position so as to be able to reinstall them correctly. To find out
their original adjustment, refer to the end of the present section.
Shock body cap (complete) has been removed, gently lift the rod
of the shock absorber and remove it from the body.