Repair Heater, Duct Type, Stationary (Duct #2, #3, #17). (FIGURE 3-3)

TM 55-1905-223-24-17

3-12. Repair Heater, Duct Type, Stationary (Duct #2, #3, #17). (FIGURE 3-3)

This task covers:

a. Repair

INITIAL SETUP :

Tools

Equipment Condition

Tool kit, general mechanic's,

Circuit breaker switched OFF, power

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.

Tags, Item 1, Appendix C

Control contactor 52332002

(Ducts 2, 3, and 17)

Power transformer P/N 41017003

(Ducts 2, 3, and 17)

Manual limit capillary reset

P/N 41984011 (Ducts 2, 3, and 17)

Automatic limit capillary reset

P/N 50025003 (Ducts 2, 3, and 17)

Airflow switch P/N 51085002

(Ducts 2, 3, and 17)

Air probe P/N 41653001

(Ducts 2, 3, and 17)

REPAIR

WARNING

Make sure electrical power is OFF to avoid personal injury.

Turn electrical power to heater OFF and open terminal box door (8).

Replace control contactor (7):

(1)

Tag and disconnect electrical wiring from contactor.

(2)

Remove associated hardware and contactor (7) from terminal box (3).

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