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ARMY TM 9-4210-381-14
NAVY EE-000-CA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-31
4-24. FRESH AIR INLET FILTER BOX (EVAPORATOR FRONT PANEL).
This task covers:
Inspection
Removal
Repair/Replace
Installation
INITIAL SETUP:
Tools
Tool kit, service, refrigeration unit (Item 1, Appendix B)
Electric portable drill (Item 6, Appendix B)
Twist drill set (Item 7, Appendix B)
Blind riveter (Item 8, Appendix B)
Riveter (Rivnut) (Item 9, 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 left front evaporator panel (para 4-23).
INSPECTION
1.
Check that box (3) is not bent, cracked, or punctured (see Figure 4-28).
2.
Check for damaged, loose, or missing mounting hardware.
REMOVAL
1.
Loosen clamp (1) and remove hose (2).
2.
Remove four screws (8) and lockwashers (7).
3.
Remove fresh air filter box (3).
REPAIR/REPLACE
NOTE
Repair consists of replacing receptacles (9), rivnuts (6), and filter box (3).
1.
Loosen two captive fasteners (4).
2.
Remove filter (5).
3.
Remove four rivets (10).
4.
Remove two receptacles (9).
5.
Remove four rivnuts (6).
6.
Install four rivnuts (6) on replacement filter box (3).
7.
Position two receptacles (9) in place.
8.
Install four rivets (10).
9.
Position filter (5) in place.
10.
Tighten two captive fasteners (4).
4-41
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