TM
9-4120-385-14
WARNING
High voltage can kill.
Tag and disconnect electrical leads from heating elements (11).
1.
Remove panel fastener (8) and clamp (10) to remove each heating element (11).
2.
Remove four screws (l), flat washers (3), and nuts (2) to release support (4), if
3.
necessary.
Remove two rivets (5) to remove floating nut (6), if necessary.
4.
b.
INSPECTION.
WARNING
Allow heater to cool before handling. Severe burns can result from
touching hot heater elements.
1.
Visually inspect each heater element for damage, deformation, damaged
terminal threads, cracked or broken sheath, and burn-out spots.
Inspect heater element electrical leads for frayed insulation, broken wires, and
2.
defective terminals.
WARNING
Allow heater to cool before handling.
CAUTION
Do not use solvent or detergent to clean heater. Damage to heater
elements could result.
TESTING.
c.
1.
Check for continuity between terminal leads of each heater element (See Table
4-15). If
continuity is not
indicated, element is
defective.