Pin retaining collar
- Remove the collar with the aid of 2 screwdrivers.
- Remove the 3 guide pins and the movable half-
pulley.
Removing the driven half-pulley bearing
- Remove the retaining ring using two flat blade
screwdrivers.
- Using a hammer and pin, knock the ball bearing
out as shown in the figure.
- Remove the roller bearing using the specific ex-
tractor.
N.B.
REST THE HALF-PULLEY ON A WOOD SUR-
FACE TO AVOID DAMAGING THE THREADED
RINGLET OF THE DRIVEN PULLEY UPON RE-
MOVING IT.
Specific tooling
020375Y Adaptor 28 x 30 mm
020376Y Adaptor handle
020439Y 17 mm guide
Fly 125 - 150 4T Engine
ENG - 89
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