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ARMY TM 9-4210-381-14
NAVY EE-000-CA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-31
5-50. ELECTRICAL BOX ASSEMBLY.
This task covers:
Inspection
Repair/Replace
Removal
Installation
INITIAL SETUP:
Tools:
Tool kit, service, refrigeration unit (Item 1, Appendix B)
Wrench, torque, 1/2", 10-150 ft-lbs (Item 20, Appendix B)
Material:
Rags (Item 12, Appendix E)
Personnel: 1
Equipment Conditions:
WARNING
Disconnect input power to the air conditioner before performing any any internal maintenance.
Voltages used can KILL. Shutting the unit off at the control panel does not disconnect unit power.
Disconnect air conditioner input power at source.
INSPECTION
1.
Check electrical box is not bent, cracked, or punctured. Replace electrical box if damaged.
2.
Check for damaged bushings, loose, or missing mounting hardware.
REPAIR/REPLACE
Repair consists of replacing bushings or electrical box.
REMOVAL
1.
Remove compressor from air conditioner (para 5-46).
2.
Remove two screws (6), star washers (7), and cover (8).
3.
Tag and disconnect leads from terminal plate (3) and current overloads (5).
4.
Remove current overload (para 5-52).
5.
Remove terminal plate (para 5-51).
6.
Pull crankcase heater wire harness through crankcase heater bushing (9).
7.
Pull wiring harness through wiring harness bushing (1).
8.
Remove two bushings (1) and (9). Retain bushings for installation.
9.
Remove two screws (2) and current overload mounting bracket (4). Retain screws and bracket for installation.
10.
Remove two screws (10) and electrical box (11).
5-118
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