Ski-Doo Formula S 1998, Shop Manual

Page: 124 / 338

Section 04 ENGINE
Subsection 07 (AXIAL FAN COOLING SYSTEM)
04-07-3
Using a press, drive the fan shaft no. 9 out.
Support fan housing no. 12 with a ring. With a
punch, working all around bearing no. 10 inner
race, drive bearing out of fan housing. Keep shims
for installation.
1. Ring supporting fan housing
Remove circlip no. 11 then remaining bearing.
To install, press one bearing in place then install
circlip and shims. Press the other bearing from op-
posite side until it is flush with housing. Press fan
shaft from engine side of fan housing. Check for
free rolling action.
At assembly, apply a light coat of Loctite 242
(blue) on screw
no. 1 threads.
A gasket must be placed on both sides (inner and
outer) of intake and exhaust holes of cylinder cowl
nos. 4 and 5 .
Reinstall fan protector no. 18 properly.
A23C06A
A23C07A
1
;
WARNING
Always reinstall fan protector after servic-
ing.