REPAIR - TM-55-1905-223-24-170082

TM 55-1905-223-24-17

(3)

Separate line connections from terminal ends of heating element (4).

(4)

Remove four mounting flange screws (2) securing heating assembly to terminal box (1).

(5)

Slide heating assembly out of terminal box enclosure (1).

(6)

Install heating element (4) into mounting flange (3).

(7)

Slide heating assembly into terminal box enclosure (1).

(8)

Secure heating assembly to terminal box (1) with four mounting flange screws (2) at top and bottom.

(9)

Install electrical line connections on terminal ends of heating element (4) as tagged.

CAUTION

When making line connections to heating element terminals

FOR FINNED TUBULAR HEATERS ONLY, apply a 1/4-inch

wrench to flat section of terminal immediately below threads.

Otherwise, damage to terminal may result.

(10)

Secure heating element (4) with terminal washers (5) and screws (6).

(11)

Close heater front cover (7).

(12)

Operational check:

(a)

Unlock power panel and switch circuit breaker ON.

(b)

Refer to TM 55-1905-223-10 for details on control settings.

(c)

Remove "Out of Service - Do Not Operate" tag from circuit breaker.

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