TM 9-6115-668-13
4.66 CONTACTOR K1 MAINTENANCE.
This task covers:
a. Removal
b. Repair
c. Installation
Tools
Equipment Conditions
General Mechanic’s Tool Kit
(item 2, appendix B)
Reference
Automotive Fuel and Electrical System Repair, Tool Kit
(item 3, appendix B)
Materials/Parts
Generator Set 150 kW shut down,
paragraph 2.5.2
Cable ties (item 10, appendix E)
Double-sided Adhesive Tape
(item 20, appendix E)
Disconnect the negative battery cable first and then the positive bat-
tery terminal cables. Failure to observe this warning could result in se-
vere personal injury or death.
Tag all cables prior to removal to ensure correct connection of the cables
during Installation.
1.
Open flap (2, figure 4-56) on unit hood assembly (1).
2.
Open front panel (4) on control cabinet assembly (3) and secure with prop (5).
3.
Remove eighteen screws (6), eighteen serrated lock washers (7), and eighteen washers (8) from
panel (9).
4.
Lower control cabinet connection panel (9) and prop.
5.
Remove two nuts (11), two serrated lock washers (12), and two washers (13) from panel (10).
6.
Remove two screws (15) two washers (14) and cover panel (10).
7.
Record labeling and position of cables (31, 33, 35 and 37 to 39) and sensing cables (32, 34, 36).
8.
Remove six nuts (30) and disconnect cables (31, 33, 35 and 37 to 39), six serrated lock washers
(29), six washers (28) and six heat sinks (27) from terminals of load contactor K1 (20).
9.
Remove sensing cables (32, 34, 36) from terminals of load contactor K1 (20).
10. Disconnect cables (40) from diode V6 (22) at terminals A1 and A2 by loosening screws (41, 42).
11. Remove four nuts (19), four serrated lock washers (18) and four washers (17).
12. Remove load contactor K1 (20) from bolts (16).
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