TM 9-4940-549-14&P
Remove nut (29), washer (30), and sleeve (31).
(7)
If necessary, remove nut (27)
Remove diode assembly (26).
(8)
and lockwasher (28).
Remove two screws (25), and regulator (25).
(9)
Tag and disconnect regulator wiring.
Reinstall hardware.
(l0)
Remove lead (22), two screws (21), and brush assembly (20).
(11)
(12)
Remove nut (38) and five insulated washers (14).
Remove four nuts (5), four bolts (23), and separate rear
(13)
housing (19).
(14)
Remove two diode assemblies (10) and (11).
Remove stator assembly (9).
(15)
Remove bearing (17) and retainer (18).
(16)
(17)
Remove nut (45), lockwasher (2), pulley (3), key (13), and
fan (4).
(18)
Remove rotor (16).
(19)
Remove spacer (15), snap ring (8), and bearing (7).
c.
Cleaning, Inspection, and Repair.
(1) Clean all non-electrical parts in an approved solvent and dry.
(2) Clean all electrical parts with a soft bristled brush.
(3) Inspect plate and rectifier assemblies for cracks, corrosion, and
evidence of shorting or other damage.
rectifier assembly as follows:
Connect positive lead of tester to heat sink and touch nega-
(a)
tive lead to each diode. Tester should indicate open cir-
cuit at each diode.
Connect negative lead to heat sink and touch positive lead
(b)
to each diode lead. Tester should indicate continuity at
each diode.
Replace positive diode rectifier assembly if any of the di-
(c)
odes fail to test correctly.
7-15
