Static Panel

TM 10-3930-631-34

KEY to fig. 9-25:

(2) Remove screws (2), lock washers (3)

1. Screw

and nuts (4) and remove heat sink (5) from bracket.

2. Washer

(3) Remove screws (7), washers (8), lock

3. Wrap

washers (9) and nuts (10) and remove resistor (11)

4. Screw

from bracket (12).

5. Lock washer

d. Cleaning, Inspection and Repair.

6. Bus bar

WARNING

7. Bus bar

8. Nut

Cleaning compound, solvent (Fed. Spec. P-D-680),

9. Lock washer

used for cleaning, is potentially dangerous to

10. Washer

personnel and property. Do not use near open flame.

11. Terminal lug

Flash point of solvent is 100F to 138 F (38C to

12. Terminal lug

59C).

13. Wire

(1) Clean all parts in cleaning compound,

14. Terminal lug

solvent (Fed. Spec. P-D-680) and dry thoroughly.

15. Terminal lug

(2) Inspect heat sink for cracks, chips and

16. Wire

damage.

17. Screw

(3) Inspect resistor for cracks and damage.

18. Lock washer

(4) Refer to paragraph 9-18 and check

19. Washer

diodes for correct properties.

20. Nut

(5) Replace unserviceable components or

21. Lock washer

components that do not pass electrical test.

22. Stud

e. Assembly.

23. Diode

(1) Install resistor (11, fig. 9-24) on bracket

24. Nut

25. Lock washer

(12) and secure with screws (7), washers (8), lock

26. Stud

washers (9) and nuts (10).

27. Bracket

(2) Install heat sink (5) on bracket and

28. Capacitor

secure with screws (2), lock washers (3) and nuts

29. Bracket

(4).

30. Screw

(3) Install diodes (1) in heat sink.

31. Screw

f. Installation. Refer to paragraph 9-24 and

32. Lock washer

install diode and resistor assembly in contactor

33. Wiring harness

panel.

34. Nut

9-28. Static Panel

35. Lock washer

a. General. The static panel (fig. 2-8) is

36. Washer

mounted on the door which encloses the lower left

37. Nut

side of the frame. The panel consists of three power

38. Stud

switch modules, three drive regulator modules, a

39. Control circuit module

diode and switch assembly and capacitors.

40. Screw

b. Removal. Many of the disassembly

41. Lock washer

procedures (c below) can be performed without

42. Bus bar

removing the static panel from the truck. For clarity

43. Screw

the disassembly is performed with the panel

44. Bus bar

removed from the truck. Refer to paragraph 2-16

45. Bus bar

and remove the static panel from the truck.

46. Bus bar

c. Disassembly.

47. Resistor

(1) Remove wrap (3, fig. 9-25) from harness

48. Power switch module

and wires. Remove screws (4) and lock washers (5)

49. Drive regulator module

and disconnect cables and remove bus bars (6 and

50. Reed switch

7).

51. Bus bar

52. Block

53. Diode block

54. Base

55. Screw

56. Washer

57. Screw

9-39