TM 9-4120-404-14
3-46. WIRING HARNESSES.
This Task Covers:
a. Test
b. Removal
c. Repair
d. Installation
Initial Setup:
Tools Required
Tool Kit, Service, Refrigeration, Unit (Item 1, Appendix B)
Material/Parts Required
Equipment Condition
Air conditioner shut down and cool.
Power disconnected from unit.
a. Test. If it is suspected that a particular wiring harness may be faulty, it should be tested if at all possible before it
is removed. To test any wiring harness, perform procedures (1) through (4). Take careful notes during testing to identify
which wire on a wiring harness has been tested and whether any wires or circuits are faulty.
WARNING
HIGH VOLTAGE
is used in operation of this equipment.
DEATH ON CONTACT
may result if personnel fail to observe safety precautions.
Never work on electrical equipment unless there is another person nearby who is
familiar with operation and hazards of equipment and who is competent in
administering first aid. When technician is aided by operators, he must warn them
about dangerous areas.
Whenever possible, input power supply to equipment must be shut off before
beginning work. When working inside, after power has been turned off, always
ground every part before touching it. Be careful not to contact high voltage
connections when installing or operating this equipment.
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