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![]() TM 55-1905-223-24-17
(4)
Install replacement cartridge fuse (3).
b. Replace Heating Element.
(1)
Tag electrical line connections (5) at terminal ends of heating element (7).
(2)
Remove terminal screws and washers.
(3)
Separate line connections from terminal ends of heating element.
(4)
Remove mounting flange screws securing heating assembly (6) to terminal box (1).
(5)
Slide heating assembly out of terminal box enclosure.
(6)
Slide heating assembly (6) into terminal box enclosure (1).
(7)
Secure heating assembly (6) to terminal box with mounting flange screws.
(8)
Install electrical line connections on terminal ends (5) of heating element (7) 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.
(9)
Secure line connections (5)
to heating element with terminal washers and screws.
c. Operational Check.
(1)
Unlock power panel, switch circuit breaker ON.
(2)
Refer to TM 55-1905-223-10 for details on control settings.
(3)
Close and secure heater access doors.
(4)
Remove "Out of Service - Do Not Operate" tag from circuit breaker.
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