TM 9-2320-280-34
6-3.3. 100 AMPERE DUAL VOLTAGE ALTERNATOR (12447110) TESTING AND REPAIR (Cont'd)
e. Assembly
WARNING
Always support alternator core and shaft assembly during installation.
Failure to do so may cause injury to personnel or equipment damage.
1.
Using press, install rear bearing (6) on core and shaft assembly (5).
2.
Position front rotor (4) on core and shaft assembly (5).
3.
Apply silicone compound to studs of core and shaft assembly (5).
4.
Install core and shaft assembly (5) on front rotor (4) with six nuts (7). Tighten nuts (7) to
45 lb-in. (5 Nm).
5.
Coat outer race of front bearing (2) with a thin coat of silicone compound.
6.
Using press, install front bearing (2) on front housing (1).
7.
Install front retaining ring (8) and rear retaining ring (3) on front housing (1).
8.
Using press, install front bearing (2) with housing (1) on core and shaft assembly (5).
9.
Install shaft retaining ring (19) on core and shaft assembly (5).
10.
Insert core and shaft assembly (5) and front housing (1) into stator (15).
NOTE
Align scribe marks on front housing and stator shell.
11.
Feed leads (17) from stator (15) through front housing (1).
12.
Apply silicone compound to studs (16) on stator (15).
13.
Install front housing (1) on stator (15) with nine locknuts (23). Tighten locknuts (23) to
18 lb-in. (2 Nm).
14.
Install six phase leads and two field leads (17) on diodes on front housing (1) with eight nuts (18).
15.
Apply thin coat of RTV sealant on leads (17) and diodes on front housing (1).
16.
Install rear rotor (24) on core and shaft assembly (5).
17.
Apply silicone compound to studs on core and shaft assembly (5).
Change 2
