generator field col housing, and touch other test lead in succession
to both main armature leads, field lead, and equalizer lead.
lights on any one or more of these tests, coil insulation is defec-
tive; replace housing assembly.
Bearing and Brush Holder Support Assembly.
(1) Visually inspect for cracks and distortion of brush holder
Replace holder assembly that shows either of these
(2) Do not disassemble support assembly when all parts appear to
be in good condition, with brush holders tight on the brush holder
Check cooling fan for broken vanes, broken hub,
Replace fan that shows any of these defects.
and damaged keyways.
Inspect cover assembly for deep chips,
Fan Cover Assembly.
Replace cover that shows any of these
cracks, and distortions.
Figure 5-10. Testing brush spring tension.