ENGINE
TM 5-3805-258-24-2
DISASSEMBLY AND ASSEMBLY
ALTERNATOR
DISASSEMBLE ALTERNATOR
3T1888 (Delco-Remy)
1. Position alternator in a vise or similar clamp-
ing device.
Be careful
Damage is
tightened.
CAUTION
not to overtighten alternator in vise,
possible to alternator if vise is over-
2. Retain alternator pulley and remove locknut
(1, Figure A) and washer (2). Remove alter-
nator pulley.
NOTE: Refer to page 5-12L for Figure A.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
Remove fan (3).
Remove two bolts (4) and lockwashers (5).
Pull end frame (6) and rotor (7) out of the
alternator housing as an assembly.
Press rotor (7) out of end frame (6).
Remove shield (8).
Remove four screws (9) and retainer (10).
Remove gasket (11), collar (12), and seal
(13).
Remove collar (14) and seal (15).
Press bearing (16) out of end frame (6).
Remove four screws (17), lockwashers (18)
and regulator cover (19).
Remove two screws (20) and lockwashers
(21). Remove five screws (22) and lock-
washers (23).
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
Remove cover (24) and gasket (25).
Note how the leads are connected to the
rectifier bridge (26). Disconnect three stator
leads, six diode leads, and three regulator
leads from rectifier bridge (26) by removing
three nuts (27).
Remove nut (28), lockwasher (29) and field
coil lead.
Remove screws (30), washers (31), lock-
washer (32), and remaining field coil lead.
Remove regulator mounting screw (33) and
regulator (34).
Remove alternator output terminal (35).
Remove screw (36) and lead assembly (37).
Remove screw (38), washers (39 and 40),
insulator (41), and rectifier bridge (26).
Remove wiring grommet (42).
Remove three screws (43) and separate
housing (44), stator (45), and field coil (46).
Remove cap (47).
If necessary, remove bearing (48) from hous-
ing and bearing race (49) from rotor.
If necessary, remove hinge bushing (5O).
Terminals (51 ), grommet (52), and insulator
(53) should not be removed unless visibly
damaged.
NOTE: Refer to pages 5-12N & 5-120 for testing
procedures.
5-12k
