TM-9-2920-242-35
STARTER, ENGINE ELECTRICAL, ASSEMBLY MODEL 1113943, 1113904 AND 1113944
TECHNICAL MANUAL; DIRECT SUPPORT, GENERAL SUPPORT AND DEPOT MAINTENANCE INCLUDING REPAIR PARTS
SEPTEMBER 1964
TM-9-2920-242-35 - Page 36 of 110
(2)
for shorts or grounds with an ohmmeter.
Replace solenoid relay if case and wind-
ings are defective.
Inspect contact assembly for cracks,
warpage, or broken springs. Replace
contact assembly if defective. Inspect
contacts on terminal studs for burning
or pitting. Replace studs if contacts are
defective.
i. Inspection of Frame Assembly.
(1)
(2)
(3)
Inspect frame for cracks or distortion.
Replace frame if defective. Inspect
tapped holes in frame. Replace frame
if threads are stripped or damaged be-
yond repair.
Check field coils for insulation break-
down with ohmmeter. Attach one probe
of the ohmmeter to the frame and the
other probe to one of the field coil ter-
minals. The minimum reading should
not be less than one megohm. Replace
defective coils.
Inspect terminal screw for damaged
threads. Replace if threads are stripped
or damaged beyond repair.
j. Thrust Washer and Spacer.
(1)
(2)
Inspect thrust washer and spacer for
cracked or deformed condition. Replace
defective parts.
Check thickness of washer and spacer.
Replace washer or spacer if it does not
conform to limits specified in wear
limits (par. 41b).
27. REPAIR
Note. The following subparagraphs cover only
those parts wherein a repair operation will re-
turn the damaged part to serviceable condition.
Parts not detailed herein must be replaced when
they fail to pass the required inspection (par. 26).
a. Repair of Drive Housing.
(1)
(2)
Smooth minor scratches, burs, and
dents on machined surfaces of drive
housing using a fine mill file.
Repair damaged threads in drive hous-
ing.
(3) Smooth minor rough spots, scratches,
and nicks from inside bore of sleeve
bearing using a fine stone or crocus
cloth dipped in dry cleaning solvent.
b . Repair of Commutator End Plate.
(1)
(2)
(3)
Smooth minor scratches, burs, and
dents on machined surfaces of end plate
using a fine mill file.
Repair damaged threads of end plate.
Smooth minor rough spots, score marks,
and scratches in inside bore of sleeve
bearing using a fine stone or crocus
cloth dipped in dry cleaning solvent.
c. Repair of Brush Holder Assembly.
(1)
(2)
Inspect insulations, plates, spacers,
and brush holders for distortion and
cracks. Replace defective parts.
Check brushes for cracks and excessive
wear. Check springs for cracks and
distortion. Check brushes and spring
tension (step 1, fig. 10) for conformity
to wear limits (par. 41a). If any brushes
are defective, replace entire set with
brush kit. Replace springs if they do
not conform to wear limits.
FIGURE 23. CUTTING TOOL SHARPENING
DIMENSIONS.
2
7
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