TM 9-4120-398-14
5-12. EVAPORATOR COIL (ant)
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. Removal.
(1) Remove eight bolts (1) and lockwashers (2) from front top of coil.
(2) Remove six bolts (3), Iockwashers (4). and washers (5) from bottom of coil.
(3) Carefully remove thermostat bulb (6) and position out of the way.
(4) Cut insulation (7) back to expose tubing.
(5) Debraze tubing connections.
(7) Remove four bolts (9), Iockwashers (10), washers (11), nuts (12) and mounting plate (13).
b. Repair.
(1) Repairs are limited to straightening of mashed fins.
(2) If fins are mashed or dented so that air flow across coil would be blocked, straighten them using a plastic fin
c.
Installation.
(1) Install mounting plate (13), four nuts (12), washers (1 1), lockwashers (10) and bolts (9),
(3) Secure top of coil with six bolts (3), Iockwashers (4) and washers (5).
(4) Secure top of coil with eight bolts (1) and lockwashers (2).
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