TM 9-2320-280-34
6-3.1. 100 AMPERE ALTERNATOR (12340912) REPAIR (Cont'd)
b. Cleaning
Clean all alternator components in accordance with para. 2-13.
c. Inspection
NOTE
For general inspection instructions, refer to para. 2-14.
1.
Inspect drive end housing (1) for cracks, breaks, and stripped threads. Replace alternator if defective.
2.
Inspect end housing (5) for cracks and breaks. Replace alternator if defective.
3.
Check rotor (7) and stator (3) for shorts, grounds, and open circuits. Replace alternator if defective.
4.
Inspect fan (4) for cracks and breaks. Replace fan (4) if defective.
5.
6.
Inspect electrical connector (12) for stripped threads, loose pins, broken, or frayed wiring. If damaged,
perform steps 7 through 9. If not, go to step 10.
7.
Remove sealer from rear of electrical connector (12).
NOTE
Prior to removal, tag rectifier leads and terminal pins for installation.
8.
Pull two rectifier terminal pins (11) and (13) out of electrical connector (12).
9.
Unsolder and pull six rectifier leads (10) and (14) out of two rectifier terminal pins (11) and (13).
NOTE
Electrical connector must not be reassembled until rectifiers have
been tested.
10.
Check rectifiers (9) and (15) for continuity in one direction and infinite resistance in opposite direction.
Check for shorts from rectifiers (9) and (15) to rectifier mounts (8). If rectifiers (9) or (15) are defective,
perform steps 11 through 17. If not, go to step 18.
6-18.8
Change 1
