T O 35C2-3-442-2
P-8-627-34
TM-07464A-35 TM 5-6115-457-34
CAUTION
Appropriate glass head blasting
Remove main stator assembly (80)
may be used toremove paint and
only if found defective at time of
c o r r o s i o n as necessary. In
inspection.
accordance with TO 1-1-2.
q. Remove clamps (73, 74, and 75).
7-5. INSPECTION.
WARNING
a. Inspect generator frames for cracks
and burred mating surfaces.
Drilling operations create metal chips
b. Inspect generator frames for cracked
which may enter the eye. Eye protec-
welds and distortion.
tion is required.
c. Inspect shaft couplings for distortion
r . Remove two setscrews (78) and using
and elongated holes.
0.1250 inch drill, drill a hole 0.375 inch
d. Inspect shaft for nicks and scratches.
deep in each pin (79). Using an easy out
e. Inspect fan for distortion, elongated
tool remove pins and remove main stator
holes, cracked welds or chipped blades.
assembly (80) from main stator frame (86)
f. Inspect screens for distortion and
using a suitable puller.
bent corners.
7-4. CLEANING.
g. Inspect nuts, bolts, and screws for
damaged threads and heads.
WARNING
h. Rotate bearing and check for free-
dom of movement, flat spots, binding, and
Compressed air used for cleaning and
signs of overheating. Measure bearing
drying purposes can create airborne
inside diameter, diameter should be
particles that may enter the eyes.
+0. 0000
Pressure shall not exceed 30 psig.
inches. Measure bearing
Eye protection is required.
2.7559 -0.0008
outside diameter, diameter should be
a. Use a clean cloth and low-pressure
+0. 0000
compressed air (10-15 pounds pressure)
inches.
5.9005
-0.0008
and remove dust and dirt fro m windings and
i. Measure shaft bearing contact sur-
frame.
face, shaft should be 2.7565 to 2.7560 inches.
b. Use a clean lint-free cloth moistened
j . Measure end bell bearing contact,
with an approved cleaning solvent to remove
end bell should be 5.9062 to 5.9055 inches.
heavy deposits from windings and dry
NOTE
thoroughly.
c. Clean rectifier assembly with a clean
Generator windings temperature
lint-free cloth moistened with an approved
should be approximately 77 F dur-
cleaning solvent and dry thoroughly.
ing resistance checks. Resistance
checks should be made using a
WARNING
Kelvin Bridge for resistance values
Cleaning Solvents are flammable and
below one ohm, and a Whetstone
moderately toxic to skin, eyes and
Bridge for values above one ohm.
respiratory tract. Eye and skin
Other suitable low resistance type
protec t ion required. Good general
measuring devices may be used.
ventilation is normally adequate.
Resistance values of windings are to
d. Clean all metal parts with an
be within a tolerance of 10 percent.
approved cleaning solvent and dry
k. Check main stator resistance values
thoroughly.
Change 9
7-7
