TM 9-4120-388-14
4-61. ELECTRIC HEATER (ELEMENTS) (HR1 THROUGH HR6) - Continued.
d. Heater support installation.
(1) Secure support to bracket with two screws, Iockwashers, and flat washers.
(2) Install heaters. (See para e. below.)
e. Heater installation.
(1) Insert heater element into lower mounting clip.
(2) Secure top of heater with retainer damp by tightening the captive panel fastener screw.
(4) Remove tags.