BOMBARDIER 1980 Shop Manual page 148

SECTION 03
SUB-SECTION 02, (ENGINES)
COOLING SYSTEM
CLEANING
Clean all meta! components in a non-ferrous metal
cleaner.
DISASSEMBLY & ASSEMBLY
0)
01t
IS
first necessary to heat bearing housing to 65°C
(150°F) to remove or install bearing.
CD
Newer pulley half does not have a shoulder on its mner
face so It IS installed with a 6 mm (0.236") spacer.
Pulley half
~
@
:::::;=- ::::;:;
~
NEW TYPE OLD TYPE
CD
Shim(s) located between pulley halves are used to
adjust fan belt free-play. Correct free-play is 6 mm (1/4").
If necessary to adjust. install or remove shim(s) between
pulley halves. Install excess shim(s) between outer pulley
half and washer.
@Lock fan pulley with special holder wrench to remove
or install pulley retaining nut. (See Tools Section).
At assembly. torque to 61 Nom (45 ft-Ibs).
@@@@@lAt assembly. apply a light coat of "Loctite
242" on threads. It should be noted that to correctly
remove a Loetite locked screw,
it
is first necessary to
slightly tap on screw head to break Loctite bond. The
screw can then be removed. This will eliminate the
possibility of screw breakage.
(640 ENGINE TYPEI. PAGE 12