A28
ENGINE ASSEMBLY II
n
Judgement
1. Wait for thirty to forty seconds.
If there is no discoloration after
thirty or
forty sec-
onds, the crankshaft is usable.
If discoloration appears
(the surface being
tested
will become the color of
copper), the crankshaft
must be replaced.
2.
Clean
the
surface
being tested with clean water of
steam immediately
after completing the test.
Note:
The ammonium cuprous chloride solution is highly cor-
rosive. Because of this, it is imperative that the surfaces
being tested be cleaned immediately after completing
the test.
Oil Seal Wear Ring Replacement
Removal
Use the oil seal wear ring remover to remove the oil seal
wear ring from the crankshaft front end.
Oil Seal Wear Ring Remover: l-85210-0560
Installation
Use a brass bar and a hammer to drive the oil seal wear
ring into place.
Oil Seal Wear Ring Installer: l-85220-031-0
Crankshaft Gear inspection
Visually inspect the crankshaft gear.
Replace the crankshaft gear if excessive wear or damage
is discovered.
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