TM9-4120-401-14
BRAZING/DEBRAZING PROCEDURES.
This task covers:
b. Clean
c. Braze
a. Debraze
INITIAL SETUP
Equipment Condition
TOOls
Refrigeration Unit Service Tool Kit
Goggles
Use disconnect switch (NOT POWER
CABLE) to disconnect power to unit.
Damage to cable connector pins will
Gloves
result if cable is used.
Disconnect power at power source.
Brush
Material/Parts
Brazing Alloy
Abrasive Cloth
Rags
a. Debraze.
Nitrogen is an inert gas that can cause suffocation and must be discharged in a
well ventilated area.
The polyurethane foam used as insulation in the air conditioner will break down to
form toxic gases if exposed to the flame of a torch or brazing temperature. Work
in a well ventilated area.
(2) Protect insulation, wiring harnesses, and other components with appropriate heat shields.
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