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ARMY TM 9-4120-381-14
NAVY EE-000-CA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-31
5-26.
DRIER FILTER (DEHYDRATOR).
This task covers:
Inspection
Removal
Service
Disassembly
Repair/Replace
Reassembly
Installation
INITIAL SETUP:
Tools;
Tool kit, service, refrigeration unit (Item 1, Appendix B)
Personnel: 1
Equipment Conditions:
1.
Pump down refrigerant system (para 5-21).
WARNING
Disconnect Input 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.
2.
Disconnect air conditioner input power at source.
3.
Remove right front evaporator panel (para 4-25).
INSPECTION
1.
Inspect for evidence of leaks, damaged lines, and loose or missing mounting hardware (see Figure 5-15).
2.
If a leak is suspected or indicated, test per paragraph 5-15.
REMOVAL
1.
If drier body (8) is to be removed, disassemble drier before debrazing. (Perform disassembly).
2.
If drier body (8) is to be removed, debraze tubing (7) and (9) at joints (para 5-14).
3.
Remove screw (10), nut (12), and bracket (11).
SERVICE
1.
Replace drier filter cartridge (5) upon compressor burn-out or whenever refrigerant system is opened for purging or
evacuation.
2.
Clean filter strainer (6) upon compressor bum-out or when refrigerant system is opened for purging or evacuation.
DISASSEMBLY
1.
Remove eight bolts (1) and backplate (2).
2.
Remove gasket (15).
3.
Remove wingnut (3), end cap (4), filter cartridge (5), and strainer (6).
4.
Remove filter/strainer end cap (14) and felt gasket (13).
REPAIR/REPLACE
Repair consists of replacing backplate (2), gasket (15), wingnut (3), end cap (4), filter cartridge (5), filter strainer (6),
filter/strainer end cap (14), felt gasket (13), or drier body (8).
5-54
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