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ARMY TM 9-4210-381-14
NAVY EE-000-CA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-31
4-66. FRESH AIR DAMPER SOLENOID (L3).
This task covers:
Inspection
Testing
Removal
Installation
INITIAL SETUP:
Tools:
Tool kit, service, refrigeration unit (Item 1, Appendix B)
Personnel: 1
Material:
Varnish, moisture and fungus resistant (Item 16, Appendix B)
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. Open left front evaporator panel (para 4-23).
INSPECTION
1.
Check for loose, corroded, missing or broken connections (see Figure 4-69).
2.
Check for damaged wires; repair as necessary.
3.
Check solenoid (4) for cracks, evidence of overheating, and other visible damage. Replace solenoid, if defective.
TESTING
1.
Using wiring diagram (see Figure FO-3), check 120 V ac input power.
2.
Using wiring diagram (see Figure FO-3), check for 120 V ac output power. Replace solenoid, If defective.
REMOVAL
1.
Tag and disconnect leads.
2.
Remove screw (6), locknut (9), two flat washers (5), spacers (7), and control rod (8).
3.
Remove four screws (1), lockwashers (2), and flat washers (3).
4.
Remove solenoid (4) and shield (10).
INSTALLATON
1.
Fungus proof replacement solenoid per M;L-V-173.
2.
Place solenoid (4) and shield (10) in mounting position.
3.
Install four screws (1), lockwashers (2), and flat washers (3).
4.
Install control rod (8) with screw (6), two flat washers (5), spacers (7), and locknut (9).
5.
Reconnect leads and remove tags.
4-127
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