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ARMY TM 9-4210-381-14
NAVY EE-000-CA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-31
4-65. SERVICE LIGHT (DS8).
This task covers:
Inspection
Testing
Removal
Repair/Replace
Installation
INITIAL SETUP:
Tools:
Tool kit, service, refrigeration unit (Item 1, Appendix B)
Personnel: 1
Equipment Conditions:
WARNING
Disconnect input Power to the air conditioner before performing any internal maintenance. Voltages
used can KILL. Shutting the unit off at the control panel does not disconnect unit power.
1. Disconnect air conditioner input power at source.
2. Remove right front condenser panel (para 4-28).
3. Remove circulating air out RFI filter access cover (para 4-41).
INSPECTION
1.
Check lamp guard (8) for bent or broken prongs (see Figure 4-68).
2.
Check for missing or loose mounting hardware.
3.
Check light bulb (9) for signs of burnout, cracks, or breaks. Replace light bulb, if defective.
TESTING
NOTE
Power must be applied for testing.
1.
If service light switch (S2) fails to turn service bulb (9) on, unscrew service bulb (9) from lamp holder (5).
2.
Using multimeter, check that service bulb (9) filaments are not burned out. Replace service bulb, if defective.
REMOVAL
1.
Unscrew bulb (9).
2.
Loosen two screws and remove lamp guard (8).
3.
Remove two screws (7), flat washers (6), and lamp holder (5).
4.
Tag and disconnect leads.
NOTE
When mounting hardware for box is removed, the mounting bracket for sensing bulb will
come loose also.
5.
Remove two screws (1), locknuts (3), four flat washers (4), and box (2).
REPAIR/REPLACE
Repair consists of replacing service bulb (9), lamp guard (8), lamp holder (5), insulator bushing or service light.
4-125
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