Figure 3-6. Starter motor, disassembly and reassembly/

1 End frame

20 Drive mechanism

2 Brush holder

21 Washer

3 Spring

22 Screw

4 Brush holder

23 Washer

5 Brush

24 Bushing

6 Screw

25 Bearing assembly

7 Nut

26 End frame (drive housing)

8 Lead

27 Pin

9 Washer

28 Screw

10 Shaft

29 Insulator

11 Screw

30 Pole shoe

12 Holder

31 Washer

13 Screw

32 Screw

14 Washer

33 Stud

15 Through bolts

34 Grommet

16 Field coil

35 Washer

17 Spacer

36 Washer

18 Armature

37 Nut

19 Ken

38 Washer

Figure 3-6. Starter motor, disassembly and reassembly/

(3) Disconnect field lead from brush holders

(8) Drive mechanism (20) is keyed onto

(2 and 4) and remove commutator end frame (1) from

armature shaft and is removed by pressing off or using a

field frame.

puller.

c. Cleaning, Inspection and Repair. Clean, inspect

(4) Brushes (5) brush holders 12 and 4) and

springs (3) can now be removed from commutator end

and repair as directed in TM 5-764.

d. Reassembly.

frame.

(5) Do not remove field coils. If tests indicate

(1) Install field frame terminal stud (33) and

coils are defective, replace starting motor.

then connect heavy field lead to stud (33).

(6) Remove terminal stud from field frame by

(2) Install brush holders (2 and 4), brushes

removing nuts (37), washers (35, 36, and 38) and rubber

(5), and springs (3) on commutator end frame (1).

grommet (34).

Place end frame on field frame and connect

(7) Remove capscrews (22) which mount

undergrounded brush leads to field coil terminals.

center bushing (24) on drive end housing (26) and

(3) Install center bearing (25) on armature

remove housing from armature.

shaft with long side toward commutator end of armature.

(4) Install key (19) in armature shaft (18) and

3-6