BOMBARDIER 1982 Shop Manual page 172

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SECTION 02 ENGINE
SUB-SECTION 07 (640 ENGINE TYPE)
CLEANING
Clean all metal components in a non -ferrous metal clean -
er.
DISASSEMBLY
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ASSEMBLY
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Lock fan pulley with special holder wrench to remove
or install pulley retaining nut. (Use tool PIN 420 977
880) .
Special holder wrench
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- - J
. @Newer pulley half does not have a shoulder on its in-
ner face so it is installed with a 6 mm (0236"1 spacer.
Pulley half
NEW TYPE
OLD TYPE
®
Shim(sl located between pulley halves are used to
adjust fan belt free-play . Correct free-play is 6 mm
(1/4"
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If necessary to adjust, install or remove shim(sl between
pulley halves . Install excess shim(sl between outer pul-
ley half and washer.'
CD 0
It is first necessary to heat bearing housing to
65°C (150°FI to remove or install bearing.
At assembly, torque to 61 N-m (45 ft-Ibsl.
PA GE 170
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® ®
At assembly, apply a light coat of "Loc-
tite 242" on threads . It should be noted that to correctly
remove a Loctite 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 pos-
sibility of screw breakage .
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W AR NIN G: If fan protect or is removed, always
reinstall after servicing.
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