T O 35C2-3-442-2
P-8-627-34
TM-07464A-35 TM 5-6115-457-34
Section III. ALTERNATOR
CAUTION
8-12.
GENERAL.
The alternator is a 24 volt, negative
To prevent overheating and possible
ground system incorporating a voltage regu-
damage to rectifier diodes (37 and
lator and voltage protector. It is driven by
38) when unsoldering, grasp diode
the fan pulley via the alternator drive belt.
connection terminal with long nose
The alternator provides power for charging
pliers, between soldering iron and
the batteries and operation of direct current
diode.
components of the generator set.
b. To prevent rotor shaft assembly (51)
8-13.
REMOVAL.
from turning when removing nut (40), wrap
an oversize belt around pulley. Clamp
Refer to Operator and Organizational
pulley in vise while removing rotor shaft
Maintenance Manual, and remove the
from pulley.
alternator.
8-15.
CLEANING.
DISASSEMBLY.
8-14.
CAUTION
Refer to figure 8-2, and disassemble
alternator in the order of index numbers
Do not immerse alternator assem-
assigned. Pay particular attention to the
bly in cleaning solvent of any kind.
following:
Do not clean isolation diodes (22)
with cleaning solvent. The diodes
NOTE
are coated with a special corrosion
Tag electrical leads before remov-
resistant paint.
ing to facilitate reassembly.
WARNING
CAUTION
Dry cleaning solvent, P-D-680,
Type II, is flammable and mod-
To prevent damage to stator wind-
e r a t e l y toxic to the skin, eyes
ings or laminations, do not insert
a n d respiratory tract. Skin,
e y e and respiratory protection
sharp tools between stator and
i s required.
housing.
a . C l e a n parts with a soft bristle
b r u s h moistened with cleaning solvent,
a. When removing front and rear bear-
Federal Specification P-D-680, Type 11.
ings (47 and 49) from rotor assembly shaft
WARNING
(42), make sure puller contacts inner
bearing race only.
Compressed air used for cleaning and
drying purposes can create airborne
NOTE
particles that may enter the eyes.
Pressure shall not exceed 30 psig.
Eye protection is required.
Remove retaining ring in front
b. Dry parts with filtered low pressure
housing. Refer to figure 8-2
compressed air or a clean lint-free
view A and B.
cloth .
8-6
Change 8
