1999 Ski-Doo Factory Shop Manual Volume One, Page 148Get this manual
Subsection 07
Section 04 ENGINE (AXIAL FAN COOLING SYSTEM)
CLEANING
Clean all metal components in non-ferrous metal cleaner
DISASSEMBLY AND ASSEMBLY
Using press, drive the fan shaft no9 out
To install, press one bearing in place then install circlip and shimsPress the other bearing from opposite side until it is flush with housingPress fan shaft from engine side of fan housingCheck for free rolling action
INSTALLATION
At assembly, apply light coat of Loctite 242 (blue) on screw no1 threadsA gasket must be placed on both sides (inner and outer) of intake and exhaust holes of cylinder cowl nos4 and 5
FAN BELT REPLACEMENT AND DEFLECTION ADJUSTMENT