TM 5-3805-258-24-2
ENGINE
DISASSEMBLY AND ASSEMBLY
ALTERNATOR
DISASSEMBLE ALTERNATOR
9G9538 (Bosch)
1. Position alternator in vise or similar clamping
device.
NOTE: Care must be taken not to damage alter-
2.
3.
4.
nator by overtightening the vise. -
Remove pulley nut (not shown) and remove
pulley and fan from alternator.
Remove two screws
(2).
Use a 3/8 wrench
(D+) terminal (4).
capacitor lead (5).
NOTE: This step may
5.
6.
7.
(1) from regulator cover
to remove nut (3) from
Disconnect suppression
be unnecessary if this
component is not to be tested or replaced.
Remove two screws (6) and pull regulator
(7) partially away from frame to expose
regulator terminals (8 and 9). The small
diameter screw (8) is D+. The large diameter
screw (9) is DF.
Disconnect two leads from D+ terminal (8)
and one lead from DF terminal (9).
Mark rear housing (10), stator frame (11) and
drive end shield ( 12) for proper alignment.
8.
9.
10.
Take
Remove four hex-socket head capscrews
(13). Separate drive end shield (12) and rotor
as an assembly from the rear housing (10)
and stator frame (11).
Position drive end shield and rotor assembly
(14) along with tooling in press.
Press out rotor (15) from
(12).
CAUTION
care not to damage bearing
ing out rotor.
11. Remove ring spacer (17).
drive end shield
(16) while press-
5-12a