TM 9-4110-254-14
5-35. EVAPORATOR COIL REPLACEMENT.
This task covers:
a. Removal
b. Installation
INITIAL SETUP
Materials/Parts.
Equipment Conditions:
Lock Washers (10)
Refrigeration system discharged (para 5-7) and
1, Appendix G
purged (para 5-8).
Insulation Tape
Expansion valve removed (para 5-34)
10, Appendix E
Defrost termination thermostat removed (para 4-51).
Evaporator fan removed (para 4-43)
Fan belt removed (para 4-38).
General Safety Instructions'
WARNING
High voltage and exposed rotating parts are
used m the refrigeration unit. Personal injury
can result if power is connected.
a. Removal.
(1)
Loosen two setscrews (1) on each evaporator and condenser flange bearing (2) collar.
(2)
Slide fan drive shaft (3) away from evaporator coil (4) just enough to allow evaporator shroud (5) to be
removed with the coil.
(3)
Remove insulation (6)
(4)
Remove two clamps (7).
(5)
De-braze three fittings (8) (para 5-9).
WARNING
Coil fins are sharp and can cut hands or fingers Wear gloves to prevent
personal injury when handling coil.
(6)
Remove ten screws (9) and lift coil (4) and shroud (5) from frame (10).
(7)
Remove ten screws (11), lock washers (12), flat washers (13) and shroud (5) Discard lock washers.
(8)
Remove insulation (14).
(9)
De-braze three fittings (15) (para 5-9).
5-72
