TM 5-4320-302-14
5-19.
ALTERNATOR (CONT)
Location/Item
Action
Remarks
32. Columix and
Replace if windings are gouged, broken, or discolored
rotor
colored or if units show misalinement or damage. Do
not attempt to repair columix or rotor windings. If there
is a short or open circuit in the rotor windings, or if slip
rings are shorted to each other or to any pole finger,
replace the rotor. If any columix winding is shorted to
any other or to the columix lamination, or if any winding
shows an open circuit to its common lead, replace
columix.
33. Rectifier
Replace positive (+) or negative (-) rectifier diode
diodes and
assembly if any diode is defective. Replace suppressor
suppressor
condenser if zener diode is defective.
condenser
34. Voltage regulator/
Replace voltage regulator/carbon brush holder if
carbon brush holder,
cracked, overheated, distorted, damaged or if
carbon brushes, and
carbon brushes do not slide freely into holder.
compression springs
Replace if mechanically or electrically faulty.
Replace carbon brushes if worn, cracked, or oil
soaked. Replace weak compression springs.
35. Ball bearings
Replace if excessively worn, out-of-round, binding,
(front and rear)
or damaged.
36. All other
Replace if excessively worn, cracked, distorted,
components
or otherwise damaged, or if threads are stripped.
ASSEMBLY
37. Ball bearing
Press into drive bearing.
(front)
38. Cover plate
Position cover plate and bearing seal spacer on
and bearing
drive bearing. Install and tighten cover plate
seal spacer
screws securely.
5-73
