BOMBARDIER ELAN 3042 1985 Shop Manual page 260

Section 03 TRANSMISSION
Sub-section 03 (DRIVE PULLEY)
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CAUTION: This model is equipped with drive
T
pulley of metric dimensions.
+
WARNING: Drive pulley repairs that include any
disassembly or assembly procedures must be
performed by an authorized Bombardier dealer, or
other such qualified person. Sub-component installa-
tion and assembly tolerances require strict adher-
ence to procedures detailed .
REMOVAL
1.4,5, Outer half & governor cup
Lock the crankshaft by using one of the following
method:
Insert the crankshaft loc king tool P/N 420 876 640 into
the impulse hole of the engine. Slowly rotate the
crankshaft until it locks into position.
~CAUTION:
Do not use any type of pin other
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than the tool P/N 420 876 640.
A00300 2005
Or:
Remove spark plug then bring P.T.O. piston at T.D.C.
position.
Rotate drive pulley 45
o
clockwise then insert enough
starter rope into cylinder to fill it completely .
+
WARNING: Spring pressure can force assembly
apart; therefore, it is imperative that the gover-
nor cup be held firmly during governor retaining bolt re-
moval. Use drive pulley retainer P/N 529 0052 00 .
03-03-6
9,
Inner half
If it is necessary to remove inner half, use drtve pulley
puller no. 529 002 800, 529 003 000
Metric threads
1529 0030 001 1529 0028 001
A000001009
~CAUTION:
This pulley has metric threads. Do not
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use standard thread puller .
To block engine crankshaft:
Remove starter rope blocking piston . the reblock piston
after having turned 45 ° counterclockwise fr om T.D .C.
position; or install crankshaft locking tool .
To remove inner half:
lnstali puller in pulley shaft . Ttghten . at the same ti me
knock slightly on puller head to disengage pulley from
engine crankshaft
DISASSEMBLY
~CAUTION:
Do not disassemble counterweights
T
unless replacement is necessary.
CLEANING
5,9, Inner & outer half
Clean pulley faces and shaft with fine steel wool and dry
cloth . Clean outer half bushing with clean dry cloth .
9, Inner half & crankshaft
Using cleaner such as acetone, clean crankshaft tapered
end and the taper inside the inner half of the drive pulley .
+
WARNING: This procedure must be performed in
a well ventilated area.
~CAUTION :
Avoid contact between crankshaft
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seal and acetone because damage may occur.