TM-9-2320-280-34
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
JANUARY 1996
TM-9-2320-280-34 - Page 331 of 1258
6 - 3 . 2 . 100 AMPERE ALT E R N ATOR (12342944) TESTING AND REPAIR (Cont’d)
WARNING
Always support alternator core and shaft assembly during
installation. Failure to do so may cause injury to personnel or
equipment damage.
1.
Install front rotor assembly (2) on core and shaft assembly (3).
2.
Apply sealing compound to three screws (6).
3.
Align slots (1) in front rotor assembly (2) to mount holes on core and shaft assembly (3) and install
with three screws (6). lockwashers (5), and washers (4). Tighten screws (6) to 45 lb-in. (5 N
•
m).
4.
Coat outer race of front bearing (9) with a thin coat of sealing compound.
5.
Use a press to install front bearing (9) in front housing assembly (8).
6.
Install front (7) and rear (10) retaining rings on front housing (8).
WARNING
Always support alternator core and shaft assembly during
installation. Failure to do so may cause injury to personnel or
equipment damage.
7 .
Use a press to install front bearing (11) and housing assembly (8) on core and shaft assembly (3).
8.
Install shaft retaining ring (12) on core and shaft assembly (3).
9
.
Insert core and shaft assembly (3) and front housing assembly (8) into stator/field coil assembly ( 1 4 )
.
NOT E
Align scribe marks on front housing and stator shell.
10.
Feed leads (16) from stator (14) through front housing assembly (8).
12.
Apply sealing compound to studs (15) on stator/coil field assembly (14).
1 3 .
Install front housing (8) on studs (15) and shell/stator/coil field assembly (14) with nine lock-
nuts (13). Tighten locknuts (13) to 18 lb-in. (2 N
•
m±)±.
1±4±
.
Install six washers (19), phase leads (21), and nuts (23) to diodes (22) on front housing assembly (8).
Tighten nuts (23) to 18 lb-in. (2 N
•
m )
.
1±5±.
Install six washers (19), field leads (18), and nuts (17) to studs (20) on front housing assembly (8).
Tighten nuts (17) to 18 lb-in. (2 N
•
m).
16.
Apply a thin coat of sealant to leads (18) and (21) on studs (20) and diodes (22) and front housing
assembly (8).
e. Assembly
TM 9-2320-280-34
6 - 1 8 . 2 6
Change 1
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