TM 9-4120-398-14
a. Inspection
This task covers
b. Replacement
INITIAL SETUP
Tool kit, refrigeration SVC
Power OFF
Evaporator access door open
System discharged
(Pagraph 5-5)
WARNING
Tape
(Item 16 Appendix E)
Voltages used can kill. Always
Brazing Alloy
disconnect power cordI to air conditioner
(Items 2 and 3 Appendix E)
before performing any internal
Flux, Brazing
maintenance. Shutting unit off at its
(Item 6 Appendix E)
control panel does not disconnect
unit power.
(Item 9 Appendix E)
Rags
(Item 12 Appendix E)
Filter-drier
Insulation
Refrigerant -22
(Item 8 Appendix E)
Death or serious injury may result if personnel fail to observe safety precautions. Use great care to
avoid contact with liquid refrigerant or refrigerant gas being discharged under pressure. Sudden and
irreversible tissue damage can result from freezing. Wear thermal protective gloves and a face protector
or goggles in any situation where skin-eye contact is possible.
Prevent contact of refrigerant gas with flame or hot surfaces. Heat causes refrigerant to break down and form
carbonyl chloride (phosgene), a highly poisonous and corrosive gas.
a. Inspection.
(1) Inspect for evidence of leaks, kinked, or otherwise damaged capillary line.
