Repair Heater, Space, Electric (Units #3, #5, #6, and #7)

TM 55-1905-223-24-17

2-23. Repair Heater, Space, Electric (Units #3, #5, #6, and #7). (FIGURE 2-13)

This task covers:

a. Repair

INITIAL SETUP :

Tools

Equipment Condition

Tool kit, general mechanic's, 5180-00-

Circuit breaker switch OFF, power

699-5273

panel locked and tagged "Out of

Tool kit, electrician's,

Service - Do Not Operate."

See TM 55-1905-223-10 for HVAC systems

Materials/Parts

operation and equipment location.

Heating element (Units 3 and 5)

P/N 571U-69799-04303

Heating element (Unit 6)

P/N 571U-72519-04303

Heating element (Unit 7)

P/N 571U-71099-0430

Element gaskets P/N F121-011

Electrical tags, Item 1, Appendix C

REPAIR

Repair consists of replacing the heating elements and gaskets.

Remove mounting screws (1) securing metal grille (3) to heater enclosure (2). Remove metal grille (2).

Unscrew and remove bottom cover (5) of heater to gain access to element wiring.

Tag and disconnect electrical wires from terminal ends of heating element (4) by removing washers

and screws.

Remove attaching hardware and remove heating element (4) and gasket (6).

Install attaching hardware and install heating element (4) and gasket (6).

Install electrical wires to terminal ends of heating element (4) with washers and screws.

Thread bottom cover (5) securely onto heater housing.

2-62