Lovol TE304 - Page 71

Maintenance Instruction
Table 5-2 Adjustment for spiral bevel pinion of main drive
Index:
Description
Bevel pinion meshing
mark(forward gear)
Bevel pinion
meshing
mark(reserve gear)
Adjusting instruction and diagram
1
Normal
mashing
mark
If engaging forward gear, the meshing mark
length on concave face of spiral bevel pinion
should be less than 60% of tooth width, and
its height should not be less tha
n 50% of
tooth height. The mark should be allocated
around the center of tooth height and slightly
near the tooth toe.
If engaging reverse gear,
the meshing mark on the convex face on the
spiral bevel pinion should be same as the
above said.
2
Abnormal
meshing
mark
(1)
Increasing the
adjusting shim
on the front
bearing bushing
of the 2
nd
shaft
could move the
bevel pinion
forward.
(2)
If the clearance
is large, please
move the bevel
gear to the right.
(1)
Decreasing the
adjusting shim
on the front
bearing bushing
of the 2
nd
shaft
could move the
bevel pinion
backward.
(2)
If the clearance
is small, please
move the bevel
gear to the left.
(1)
Decreasing the
adjusting shim
on the front
bearing bushing
of the 2
nd
shaft
could move the
bevel pinion
backward.
(2)
Removing the
adjusting shim
on the left
bearing bushing
to the right
bearing bushing
could move the
bevel pinion to
the right.
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