TM 9-4120-399-14
a. Removal.
(1) Remove four screws (1), four lock washers (2), and four flat washers (3).
(2) Slide heating element brackets (4) and (5) apart to disengage left bracket (5) from
heating elements (6).
(3) Remove heating element bracket (5) from unit.
(4) Tag and disconnect all heating element wires from terminal block TB3.
(5) Remove heating elements (6) and heating element bracket (4) from unit as an
assembly.
(6) On each heating element, remove nut (7), lock washer (8), flat washer (9), and
insulator (10) and then remove heating elements (6) from bracket (4).
