TM 9-4120-403-14
(1) Remove all six heaters.
(3) Remove four screws, washers, and locknuts in casing sides.
(4) Remove two screws and washers in evaporator coil.
(5) Remove heater support.
Installation
a. Heater Support
(2) Secure heater support to evaporator coil with two screws and washers.
(3) Secure heater support to casing with two screws, washers, and locknuts in each casing side.
b. Heater Elements
(1) Aline heater element over threaded inserts on bracket.
(2) Secure top of heater element with retainer clamp by tightening screw.
(3) See tag and wiring diagram (fig. 4-43) connect wire leads, and remove tags.
Follow-on procedure:
4-146