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 TM 9-4120-425-14&P
UNIT WIRING UNIT MAINTENANCE
THIS WORK PACKAGE COVERS:
Inspection, Test, Removal, Repair, and Installation
INITIAL SETUP:
Maintenance Level
Unit
Tools and Special Tools
Tool Kit, General Mechanics (Item 1, Table 2, WP 0118-00)
Soldering Gun Kit (Item 9, WP 0118-00, Table 2)
Heat Gun (Item 6, WP 0118-00, Table 2)
Materials/Parts
Solder (Item 2, WP 0121-00)
Flux (Item 15, WP 0121-00)
References
Schematic Diagram, WP 0122-00
Test Equipment
Equipment Condition
Air conditioner shut down and cool.
Power disconnected from unit.
Top covers removed (WP 0018-00 and WP 0019-00).
Control module and circuit breaker partially removed (WP 0033-00 and WP 0034-00).
Junction box partially removed (WP 0035-00).
WARNING
Disconnect air conditioner power supply.
INSPECTION
1.
Inspect all installed wiring for cracked or frayed insulation. Pay particular attention to wires routed around sharp
edges.
2.
Repair or replace bad wiring.
3.
Inspect electrical input power connectors (J2 and J1 ALTERNATE) for damage. Inspect electrical connector J3 and
J4 for damage.
4.
Replace damaged connectors.
0038-00-1
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