TM 5-4320-302-14
5-18.
STARTER MOTOR (CONT)
Location/Item
Action
Remarks
19. Commutator
Rotate armature shaft in bush to determine if
bush, pinion
bushes are frozen or excessively worn. Worn
bush, armature
bush will permit the shaft to be moved side-
bush, and
ways. Replace bushes if excessively worn or
drive bush
frozen.
20. Exciter winding
Inspect exciter winding and wire to relay for
and wire (exciter
loose, burned, frayed, or shorted wires.
Winding to relay)
Repair loose connections on exciter winding or relay if
necessary. Replace exciter winding if frayed, shorted,
or damaged.
21. All other starter
Inspect for excessive wear or damage. Replace
components
any worn, damaged, cracked, or broken components.
ASSEMBLY
22. Drive bush
Install drive bush and studs in drive bearing.
23. Armature bush
Install in armature bearing support.
24. Armature bearing
Install on armature shaft.
support
25. Pinion bush
Install.
26. Pinion
Install on armature shaft.
27. Ring retainer
Install.
and locking ring
28. Forked lever
Position on pinion.
29. Drive bearing
a.
Carefully slide onto armature shaft and pinion
making sure studs are properly inserted through
stud holes in armature bearing support.
b.
Install drive bearing screw in drive bearing and
through forked lever. Install spring washer and hex
nut. Tighten securely.
5-57
