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 TM 9-2320-312-24-1
ALTERNATOR REPAIR - CONTINUED
0159 00
CLEANING AND INSPECTION
1.
Clean and inspect bearings in accordance with TM 9-214.
2.
Clean and inspect all other components in accordance with WP 0134 00, General Maintenance Instructions.
3.
Inspect bushing (31) in end housing (30). If scored or worn, replace bushing.
4.
Replace any worn or damaged component.
ASSEMBLY
WARNING
Sealing compound can damage your eyes. Wear eye protection when using. Avoid contact with eyes. If
sealant contacts eyes, flush eyes with water and get immediate medical attention. Failure to follow this
warning may cause injury.
Retaining rings are under tension and can act as projectiles when released, causing severe eye injury.
Wear eye protection and use caution when installing retaining rings. Failure to do so may result in
injury.
CAUTION
To prevent damage to alternator components, alternator should be placed in a soft-jawed vise during assem-
bly.
NOTE
Use sealing compound on all fasteners except the following: phase and field coil lead hardware, pulley, and
fan hardware.
1.
Install inner (square) retaining ring (14) in front housing (13).
2.
Press bearing (8) into bearing bore in front housing (13). Press ONLY on outside race.
3.
Install outer (beveled) retaining ring (7) in front housing (13).
4.
If removed, install drive end rotor (15) to core/shaft assembly (18) with six screws (34). Tighten screws to 65 lb-in (7.3
Nm).
5.
Press on inner race of bearing (8) to install front housing (13) on core/shaft assembly (18).
6.
Install small retaining ring (16) on core/shaft assembly (18) in front of bearing (8).
7.
Position front housing (13) and core/shaft assembly (18) in shell (21), aligning scribe marks.
8.
Thread six phase leads (19) and two field coil leads (20) through appropriate slots in front housing (13). Lower front
housing on shell (21), guiding shell studs through front housing.
9.
Connect six phase leads (19) to diode studs: Position insulators (11), washers (10), phase leads, and nuts (9) on studs.
Tighten nuts to 30 lb-in (3.4 Nm).
10.
Connect two field coil leads (20): Position insulators (11), washers (10), field coil leads, and nuts (9). Tighten nuts to 30
lb-in (3.4 Nm).
11.
Secure front housing (13) to shell (21) with nine new locknuts (12). Tighten locknuts to 45 lb-in (5.1 Nm).
12.
Center rotor (22) and install to core/shaft assembly (18) with six screws (23). Tighten screws to 65 lb-in (7.3 Nm).
13.
Position end housing (30) at shell (21), with scribed marks aligned. Secure end housing to shell with nine new locknuts
(33). Tighten locknuts to 45 lb-in (5.1 Nm).
0159 00-4
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