BOMBARDIER 1980 Shop Manual page 136

SECTION 03
SUB-SECTION 02, (ENGINES)
COOLING SYSTEM
CLEANING
Crean all metal components in a non-ferrous metal
cleaner.
DISASSEMBLY AND ASSEMBLY
001t is first necessary to heat bearing housing to 65
0
C (150 0 F) to remove or install bearing.
0@)Fan belt free-play must be 6 mm UU). To adjust.
Install or remove shim (s) between pulley halves. Install
excess shim (s) between fan and lockwasher.
@To remove or install fan pulley retaining nut. lock fan
pulley with special holder wrench. (See Tools section).
At assembly, torque nut to 62
Nom
(46 ft-Ibs).
Holder
wrench
@@@At assembly, apply a light coat of "Loctite 242"
on threads. It should be noted that to correctly remove
a Loctite locked screw, it is first necessary to slightly
tap on head screw to break Loctite bond. The screw can
then be removed. This will eliminate the possibility of
screw breakage.
@A gasket must be placed on both sides (inner and
outer) of intake and exhaust holes.
(503 ENGINE TYPE). PAGE 14