TM 55-2210-223-34
TO 45A2-2-14-22
Table 3-1. INTERMEDIATE DIRECT SUPPORT AND INTERMEDIATE GENERAL SUPPORT
TROUBLESHOOTING (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
35.
EXCITER-AUXILIARY GENERATOR ARMATURE OR FIELD COILS ARE GROUNDED. (cont)
Step 2.
Check for defective field coils.
Remove exciter-auxiliary generator for repair (para 3-35).
Step 3.
Check for broken insulators.
Replace insulators (para 3-35).
Step 4.
Check to see if commutator bars are dirty or broken.
Remove exciter-auxiliary generator for repair (para 3-35).
Step 5.
Check for broken high-voltage leads.
Remove exciter-auxiliary generator for repair (para 3-35).
36. EXCITER-AUXILIARY BEARINGS FAIL.
Step 1.
Check for unbalanced armature.
Replace armature (para 3-35).
Step 2.
Check for no lubrication or contaminated grease.
Lubricate in accordance with LO 55-2210-223-12.
Step 3.
Check for proper alinement.
Aline exciter-auxiliary generator (para 3-35).
Step 4.
Check for improper installation of bearings.
Remove exciter-auxiliary generator for repair (para 3-35).
37. EXCITER-AUXILIARY GENERATOR BRUSHES ARE BROKEN.
Step 1.
Check for rough commutator, burned spots, flat spots, or high bars.
Resurface commutator (para 3-35).
Step 2.
Check for low brush spring tension.
Adjust spring tension (TM 55-2210-223-12).
3-19
