ARMY TM 9-6115-639-13
AIR FORCE TO 35C2-3-386-51
MARINE CORPS TM 10155A-13/1
4-12. CONTROL BOX ASSEMBLY MAINTENANCE
This task covers removal, inspection, and installation.
INITIAL SETUP
Tools:
Equipment Condition:
Tool Kit, General Mechanic’s Automotive
Battery charging regulator removed (Para. 4-29)
(Item 2, App. B, Sect. III)
A. REMOVAL.
1.
Remove rear panel (1, Figure 4-3) by removing thirteen screws (2), lockwashers (3), and washers (4).
2.
Remove left side panel (5) by removing eight screws (6), eight washers (7), and eight locknuts (8).
Remove four screws (9), four screws (12), eight washers (10), and eight locknuts (11).
3.
Remove two screws (13), washers (14), locknuts (15), and spacer (16) from left side cover support
mounting bracket (17). Fold support up to gain clearance for control box.
4.
Remove convenience receptacle (Para. 4-30).
5.
Remove ground fault circuit interrupter (Para. 4-31).
6.
Disconnect and tag wires from terminal boards TB4 and TB6, contactor K1, and fuse FU1 located on rear
of control box (24). Disconnect J7 connector.
7.
Remove five screws (18), washers (19), and locknuts (20) from right side panel (21).
8.
Remove two screws (22), washers (23), and locknuts (20) from control box (24).
9.
Remove two screws (25), lockwashers (26), and washers (27) from bracket (28).
10. Remove four screws (29), washers (30), locknuts (31), and terminal wrench (32).
11. Remove screw (33), washer (34), and locknut (35).
12. Slide control box (24) out of enclosure. Remove shim (36).
B. INSPECTION.
1.
Inspect controls and indicators for corrosion and obvious damage. Inspect meters for broken glass.
2.
Inspect external relays and terminal boards for evidence of electrical short. Inspect for electrical burn
marks, corrosion, and damage.
4-28
