TM 9-2320-280-34
6-5.2. 400 AMPERE DUAL VOLTAGE ALTERNATOR (12469057) TESTING AND REPAIR (Cont'd)
10.
Insert core and shaft assembly (9) and front housing (10) in stator (24).
NOTE
Align scribe marks on front housing and stator.
11.
Feed leads (23) and (21) from stator (24) through front housing (10).
12.
Apply silicone compound to studs (22) on stator (24).
13.
Install three phase leads (23) and two field leads (21) on diodes of front housing (10) with eight
washers (16) and screws (15).
14.
Apply a thin coat of RTV sealant on leads (23) and (21) and diodes of front housing (10).
15.
Using a soft-faced mallet, tap from side to side to install front housing (10) on stator (24).
16.
Secure front housing (10) to studs (22) on stator (24) with nine locknuts (11). Tighten locknuts (11) to
18 lb-in. (2 Nm).
17.
Install rear rotor (20) on core and shaft assembly (9) with six locknuts (19). Tighten locknuts (19) to
45 lb-in. (5 Nm).
18.
Apply silicone compound to studs on core and shaft assembly (9).
19.
Using an arbor press, install ring bearing (17) and two seals (18) on core and shaft assembly (9).
20.
Insert end housing (31) on stator (24).
NOTE
Align scribe marks on end housing and stator.
21.
Feed leads (23) and (21) from stator (24) through end housing (31).
22.
Apply silicone compound to studs (22) on stator (24).
23.
Install six phase leads (23) and two field leads (21) on diodes of end housing (31) with eight
washers (16) and screws (15).
24.
Apply thin coat of RTV sealant on leads (23) and (21) and diodes of end housing (31).
25.
Using a soft-faced mallet, tap from side to side to install end housing (31) on stator (24).
26.
Secure end housing (31) to studs (22) on stator (24) with nine locknuts (29). Tighten locknuts (29)
to 18 lb-in. (2 Nm)
27.
Install plate cover (32) on end housing (31) with six lockwashers (28) and screws (27).
28.
Install plate cover (14) on front housing (10) with six lockwashers (12) and screws (13).
29.
Install spring ring (33) on fan (34).
30.
Install fan (34) on core and shaft assembly (9) with washer (35) and locknut (36). Tighten locknut
(36) to 50 lb-ft (68 Nm).
31.
Install fan guard (37) on stator (24) with four washers (26) and screws (25).
32.
Install pulley bushing (4), pulley (3), washer (2), and locknut (1) on core and shaft assembly (9).
Tighten locknut (1) to 120 lb-ft (163 Nm).
33.
Install voltage regulator (8) on stator (24) with two spring tension washers (6), three washers (5),
and screws (7).
34.
Connect two cannon plugs (30) to voltage regulator (8).
Change 2
