ENGINE FLYWHEEL AND
U-JOINT
Removal And Installation
Remove the four bolts from the u-joint mounting flange
[A].
Installation: Put LOCTITE on the bolt and tighten to
25-28
ft
.-Ibs. (34-38 Nm) torque.
Remove the
u-
joint.
Remove the bolts from the cooling fan
[B]
.
Installation: Tighten the bolts to
15-17
ft.
-Ibs
.
(2-23
Nm)
torque.
Remove the cooling fan.
Remove the bolts from the flywheel [C].
Installation: Tighten the bolts to 55--60 ft.
-Ibs
. (75-81
Nm)
torque.
Remove the flywheel.
Flywheel Ring Gear
the ring gear
on
the flywheel is an interference fit. Heat the
ring
gear enough to expand it and hit the ring gear with a
hammer, evenly, to remove it.
Clean the outer surface of the flywheel to give the ring
gear a smooth fit.
Clean the new
ring
gear and heat it to a temperature of
450-500
0
F.
(232-260
0
C.).
Fit the
ring
gear over the flywheel. Make sure the gear is
on
its seat correctly.
Added
Sept.
90
-70-25-
741, 742, 743, 743DS
Bobcat
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Service Manual
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