Chapter 7 Reduction and Reversing Gear
3. Inspection and Servicing
3-5-1
Lapping
Procedure
for
Drive
Cone
4LHA Series
(l)Coat the lapping powder onto the cave of the clutch
gear
(Lapping powder: 67 micron silicon carbide
#280).
(4)Push
and
turn
the clutch gear about 5 times
both
clock-
wise
and counter-clockwise.
(2)Set the clutch gear on the clutch shaft
with
a needle
bearing and then set the drive cone on the clutch shaft
(5)After
lapping them, wash them
with
washing oil.
The
lapped parts should be cleaned completely.
(3)Lap the clutch gear's cave and drive
cone,
pushing them
together by hand.
NOTE:Do not mix the combination of the lapped parts.
The washing oil should be changed frequently in
order to prevent residual powder being left on the
parts.
When assembling the drive cone, be sure to check
its alignment
The larger chamferring face should be on the
clutch gear (A) side.
7-1-12
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