BOMBARDIER 1980 Shop Manual page 240

SECTION 05
SUB-SECTION 03, (DRIVE PULLEY)
•
WARNING: Drive pulley repairs that include any
disassembly or assembly procedures must be per-
formed by an authorized Bombardier dealer, or other
such qualified person. Sub-component installation and
assembly tolerances require strict adherence to proce-
dures detailed.
REMOVAL
With engine cold. remove spark plugs then bring P.T.O.
(Power Take Off) piston at T.D.C. (Top Dead Center)
position.
Rotate drive pulley 45
0
clockwise then insert enough
starter rope into cylinder to fill it completely. Install "U"
clamp (See Tools Section) over pulley halves. Open
locking tab and remove retaining bolt.
~I (~
II
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"U" clamp
Push and turn drive pulley to disengage" U" clamp then
carefully remove sliding half.
•
WARNING: Spring pressure can force assembly
apart; therefore, it is imperative that the governor
cup be held firmly during sliding half removal.
If it is necessary to remove half. use a
1~"
open-end
wrench on the square section. closely held against hub.
(DRIVE PULLEY). PAGE 12
DISASSEMBLY & ASSEMBLY
Some bolts of the drive pulley having" Loctite" on their
threads, it is advisable to use a tool such as an impact
to break the "Loctite" seal before attempting to unscrew.
0)Torque to 118 N'm (87 ft-Ibs).
00To install or remove "Duralon" bushing from hub
plug use a suitable pusher and hammer or press. Install
bushing as per illustration.
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_ CAUTION: Be careful when installing sliding half
" assembly on square shaft of drive pulley to avoid
scratches on "Duralon" bushing caused by square shaft
edge.
00®To remove and install use a bearing separator
and afterwards a standard puller and pusher.
O NOTE: Items00should be press-fitted together.
Do not remove inner half bearing unless damaged
and replacement is necessary.
rQ~--- "
~
' "
Beanng
separator
9
Torque shouldered pin lock nut to 14 N'm (10 ft-Ibs) after
having applied" Loctite 242" or equivalent on threads.
_ CAUTION: Do not disassemble counterweights
Y
unless replacement is necessary.
@APply "Loctite 242" on threads then screw in until
head is flush with sliding half.