Governor - TM-10-3930-624-340029

KEY to fig 3-1:

until it Just contacts the stop pin. Then turn the

27. Needle bearing

1. Capscrew and lockwasher

screw in an additional 1 1/2 turns.

28. Venturi

2. Body

f. Installation. Install and adjust the carburetor

29. Float axle

3. Gasket

as directed in TM 10-3930-624-12.

30. Float

4. Gasket

31. Screw

5. Valve and seat

3-3. Governor

32. Plate

6. Washer

a. Removal. (fig. 3-2.1

33. Plug

7. Jet

( 1 ) C l e a n the governor h o u s i n g a n d

34. Screw

8. Needle

35. Shaft and lever

9. Spring

surrounding area to keep dirt out of the governor

36. Screw

10. Plug

assembly.

37. Nut

11. Capscrew

(2) Remove the ignition coil from the governor

38. Clip

12. Plate

assembly.

39. Screw

13. Cotter pin

40. Bracket

14. Retainer

41. Retainer

15. Spring

42. Washer

10. Capscrew

43. Jet

17. Lever

44. Washt=r

18. Capscrew

45. Plug

19. Lever

46. Jet

20. Roll pin

47. Plug

21. Bushing

48. Washer

22. Washer

49. Jet

23. Washer

50. Washer

24. Seal

51. Jet

25. Screw

52. Body (fuel bowl)

26. Shaft

(6) Remove the plate (32) and the plug (33) SO

the shaft and lever (35) may be withdrawn from the

fuel bowl (52).

(7) Remove the clip (38) the bracket (40) and

the retainer(41).

(8) Remove jets (43, 46, 49 and 51).

c. Cleaning. Clean all metal parts in solvent.

Blow out all passages with compressed air. Make

certain that all carbon deposits have been removed

from the throttle bore and the ports.

d. Repair. Repair is limited to replacing parts

contained in a repair kit. The parts are as follows:

gasket (4,fig. 3-1), valve and seat (5), needle (8),

seal (24), float axle (29), plug (33), retainer (41)

and washers (6, 22, 42. 44, 48 and 50).

Figure 3-2. Governor.

e. Reassembly. Assemble in reverse order of

disassembly. observing the following :

(3) Remove the governor spring from the

(1) When installing the idle adjustment needle

adjusting screws and disconnect the governor lever

(8, fig. 3-) and friction spring (9) into the front of

from the governor control rod.

the body, do not overtighten. The seat may be

(4) Remove the stud nut and the two cap-

damaged. Seat needle lightly, then back the ad-

screws from the flywheel housing. Lift the governor

justment needle out 1 turns for preliminary

body away from the gear housing. In some in-

adjustment.

stances the governor weights, shaft and drive gear

(2) Check for the correct float level. Invert the

will remain in the gear housing.

throttle body. Measure from the machined surface

(5) Slide the thrust bearing and sleeve off the

of the body to the top side of the float bodies at the

weight assembly shaft and work the drive gear free

highest point. This dimension should be 1 5 /32

1 / 32 in. To increase or decrease the distance

from the adapter.

(6) Remove the two capscrews and lock-

between the float body and the machined surface,

washers which attach the adapter to the front plate

use a long-nosed pliers and bend the lever close to

and gear housing. Remove the adapter and thrust

the float body.

vvasher. Remove the governor assembly.

(3) After fuel bowl and throttle body have

b. Disassembly. (fig. 3-3.)

been assembled, perform preliminary adjustment of

(1) Disassemble the adapter by removing the

the idle speed. Turn the throttle stop screw (25) in

3-3