Figure 4-21. Engine Electrical Starting Motor. Exploded View

TM 10-3930-623-34

1. End Bell

21.

Solenoid Plunger

36.

Thrust Collar

43.

Bearing

2. Through Bolt

22.

37.

Retaining Ring

44.

Bearing Seal

3. Brush Support

23.

Spring

38.

Stop Collar

45.

Pole Shoe

4. Ground Lead

24.

End Bell

39.

Drive Assembly

46.

Screw

5. Nut

25.

Bearing

40.

Washer

47.

Winding Field Coils

6. Lock Washer

26.

Solenoid Boot

41.

Bearing Plate

48.

Winding Insulator

7. Screw

27.

Pinion Lever

42.

Gasket

49.

Starter Housing

8. Pin

28.

Screw

9. Contact Brush

29.

Nut

10. Screw

30.

Washer

11. Screw

31.

12. Brush Spring

32.

Screw

13. Grounded Brush Holder

33.

Lock Washer

14. Insulated Brush Holder

34.

Armature

15. Relay-Solenoid

35.

Brake Washer

16. Screw

17. Lock Washer

18. Grommet

19. Lock Washer

20. Screw

Figure 4-21. Engine Electrical Starting Motor. Exploded View

3. Remove spark plugs.

4-84. ENGINE DISASSEMBLY,

4-85. CYLINDER HEAD.

4-88.

VALVES

AND

RELATED

COMPONENTS

REMOVAL.

4-86. REMOVAL

1. Remove valve chamber cover (15, figure 4-22).

1. Remove cylinder head screws (4, 53, and 54,

figure 4-22) and washers (8 and 55), and remove

2. Plug valve chamber oil return holes to prevent

cylinder head (52) and gasket (59) from engine cylinder

parts falling into oil pan.

block (62).

3. Rotate crankshaft until lowest point of any lifter

travel is reached.

Using valve spring compressor,

4-87. DISASSEMBLY.

compress valve spring (5, figure 4-23). Remove valve

1. Remove stud nuts and lock washers and

locks (7).

Release and remove valve spring

remove elbow (housing) (27 figure 4-22) and thermostat

compressor. See figure 4-24. Remove remaining locks

from cylinder head (52).

in a similar manner.

2. Remove engine temperature transmitter from

4. Lift exhaust valves (2) and intake valves (1) out

the cylinder head.

through top of cylinder block and tag them for installation

in original positions.

4-26