Chapter 7 Reduction and Reversing Gear
5. Reassembly
4LHA Series
IMPORTANT:
The
following
step
should be
done
very
carefully
to
obtain
the
actual
bearing
clearance.
Pry up
gently
and
evenly
to
lift
shaft.
Shaft
will
only
move
a
small
amount.
d.
Pry up on washer to
lift
output
shaft.
e.
Make note
of the
reading.
The
bearing
clearance
mea-
sured
PLUS the
preload
required
is
equal
to the
amount
of
shim
thickness
to be ADDED.
38.
When thickness of shims to be
ADDED
has been deter-
mined, the
input
half of housing must again be removed.
Remove
bolts and lockwashers, then
lift
off
input
half of
housing.
a-Bolts
Example:
Bearing Clearances Measured
+ Bearing Preload Required
= Shims to Be Added
0.010 in.
0.004
in.
0.014 in.
f. Remove dial indicator. Remove
bolt
and flange washer.
7-2-36
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