TM 9-4120-404-14
4-7. BRAZING / DEBRAZING PROCEDURES.
This Task Covers:
a. General b. Filler Alloy c. Debrazing d. Cleaning Debrazed Joints e. Reassembly f. Brazing
Initial Setup:
Took Required
Tool Kit, Service, Refrigeration, Unit (Item 1, Appendix B)
Material/Parts Required
Equipment Condition
Air conditioner shut down and cool.
WARNING
DANGEROUS CHEMICAL
(R22)
is used in this equipment
DEATH
or severe injury may result if personnel fail to observe safety precautions. Use
great care to avoid contact with liquid refrigerant gas being recovered 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.
4-13