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ARMY TM 9-4210-381-14
NAVY EE-000-CA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-31
4-37. FRESH AIR FILTER
This task covers:
Removal
Service
Inspection
Repair/Replace
Installation
INITIAL SETUP:
Tools
Tool kit, service, refrigeration unit (Item 1, Appendix B)
Personnel: 1
Materials:
Rags (Item 12, Appendix E)
Detergent, dishwashing (item 20, Appendix E)
Oil, air filter (Item 23, Appendix E)
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 left front evaporator panel (para 4-23).
REMOVAL
1.
Loosen two captive fasteners (5) (see Figure 4-40).
2.
Remove filter (6).
SERVICE
1.
Wash filter in mild detergent and water solution.
2.
Rinse thoroughly in water.
3.
Shake out excess water.
4.
Spray filter with air filter oil.
INSPECTION
1.
Check filters for punctures, cuts and damaged edges that would allow passage of unfiltered air.
2.
Check filters for packed or mashed areas that would block air flow.
3.
Replace filter if defective.
REPAIR/REPLACE
Repair consists of replacing, captive fastener (1), ejector spring (2), thermoplastic wear washer (3), and split ring retainer
(4), or fresh air filter (6).
INSTALLATION
1.
Position filter (6) in place.
2.
Tighten two captive fasteners (5).
4-70
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