P-9-TM-457-35 T.O. 35C2-3-442-2
TM-07464A-35 TM 5-6115-457-34
NOTE
d. Inspect threaded parts for thread
damage.
Armature must be replaced if com-
mutator diameter is not within
e. Inspect commutator on armature
(40, figure 8-7) for rough spots, discolora-
limits specified in table 1-1 after
tion, pitting, scoring, and high mica.
repair.
f. Inspect armature shaft (40) for pit-
e. Repair commutator on armature
(40, figure 8-7) by turning it down using a
ting, scoring, or excessive wear. Inspect
suitable lathe. Take light cuts until all de-
starter drive (27) for broken teeth on pinion.
Check to see that starter drive (27) clutch
fects are removed. Remove all burrs by
holding No. 00 sandpaper lightly against
assembly moves on armature shaft (40) to
commutator. Undercut mica to a depth of
see if splines fit properly.
1/32 of an inch using a suitable mica under-
cutter.
g. Inspect solenoid switch (19) parts.
Check condition of moving core and sealing
f. Replace parts that are not within di-
boot. Check connector (17) and terminal
mensional tolerances specified in table 1-1.
studs to see if they are burned, eroded, or
pitted excessively.
REASSEMBLY .
8-27.
h. Using a suitable spring scale, check
Refer to figure 8-7 and reassemble
brush springs (58) tension, Tens ion should
starting motor in the reverse order of index
be 50 to 60 ounces.
numbers assigned. Pay particular attention
to the following:
i. Refer to Appendix A for Electric
Motor and Generator Repair Manual, and
a. When installing new bearings (3, 36
check armature and field coils for shorts,
and 49), always use proper bearing arbor
open circuits, and grounds. Check arma-
to obtain a proper fit. Remove wick from
ture for shorts using a suitable growler.
pinion housing (2), intermediate housing
(34), and head assembly (48) reservoirs
8-26. REPAIR.
before installing a new bearings (3) (36),
and (49). After new bearing installation,
a. Refer to Appendix A for Electric
saturate felt wicks with SAE 10 oil, install
Motor and Generator Repair Manual for
wicks in reservoirs and fill reservoirs
general repair instructions.
with SAE 10 oil.
b. Lubricate packings (5 and 37)
b. Remove minor nicks and burrs from
housings, commutator end head, pinion
with a film of light grease MIL-G-23827 to
prevent damage during reassembly.
teeth and splines using a suitable hone.
c. Lubricate armature (40) bearing sur-
c. Replace discolored, spotted or
faces on shaft with SAE 10 oil. Lubricate
scored bearings. Remove minor nicks and
shaft and splines under starter drive (27)
scratches from bearings using crocus cloth
with grease that conforms to Military
dipped in an approved cleaning solvent.
Specification MIL-G-23827.
d. Repair minor thread damage using a
d. Install armature (40) and seat
suitable thread chaser.
brushes (56) as follows:
8-15
Change 1
