TM9-4120-398-14
This task covers:
a. Inspection
b. Removal
c. Installation
Power OFF
Tool kit, refrigeration SVC
System discharged
General Safety Instructions
Rags
WARNING
Brazing Alloy
Voltages used can kill. Always
disconnect power cord to air conditioner
before performing any internal
maintenance. Shutting unit off at its
control panel does not disconnect
unit power.
Filter-drier
Refrigerant -22
a. Inspection.
(1) Check that caps are in place and that keeper rings are not damaged. Replace if missing or damaged.
(2) Check for signs of leakage. Leak test per paragraph 5-8, if leak is suspected.
b. Removal.
(1) Debraze the charging valve (1).
(2) Observe position of valve for proper installation.
(3) Remove charging valve (1).