11. Remove the shims (A,
Figure 28
) from the
commutator end of the armature shaft. Record the
number of shims and their locations. Store the
shims in a marked plastic bag.
12. Pull the armature (
Figure 29
) from the arma-
ture housing.
13. Remove and discard the O-ring on each end of
the armature housing. New O-rings must be in-
stalled during assembly.
CAUTION
Do not immerse the wire windings in
the housing or the armature coil in
solvent. Doing so could damage the
insulation. Wipe the windings with a
cloth lightly moistened with solvent
and thoroughly dry them.
14. Clean all grease, dirt and carbon from the arma-
ture, housing and end caps.
NOTE
Further disassembly is not necessary
unless the brush holder assembly
must be replaced. The brushes can be
removed and inspected at this stage.
CAUTION
The cable terminal assembly consists
of several washers, shims and a nut.
Label each component as it is re
moved. They must be reinstalled in the
same order to insulate the positive
brush assembly from the housing.
15. Remove the nut (
Figure 30
), washers and
shims from the terminal post. Note their order so
they can be reinstalled in the same order during as-
sembly. In this instance, the assembly consists of
two small fiber washers, a large fiber washer, a steel
ELECTRICAL SYSTEM
251
9
25
26
27
28
29