Chapter 7 Reduction and Reversing
Gear
5.
Reassembly
4LHA
Serie
IMPORTANT:
The following step should be done very
carefully to obtain the actual bearing clearance. Avoid
bumping the input shaft and
turn
very slowly on the spe-
cial
tool knob.
(Shaft
will
only be moving a very small
amoun.)
d.
Slowly
turn the
special
tool knob
clockwise
to
push
the
shaft
upward.
(Perform the
above
sequence
several
times
to
ensure
on
accurate
reading.)
e. Make note of reading. The bearing clearance mea-
sured
PLUS
the preload required is equal to the
amount of shim thickness to be ADDED.
Example:
Bearing
Clearances
Measured
+
Bearing
Preload
Required
=
Shims
to Be
Added
0.009
in.
0.004
in.
0.013 in.
7-2-33