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Page Title:
Repair Heater, Duct Type, Stationary (Ducts #8, #13, and #15) |
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 TM 55-1905-223-24-17
2-21. Repair Heater, Duct Type, Stationary (Ducts #8, #13, and #15). (FIGURE 2-11)
This task covers:
a. Repair
INITIAL SETUP :
Tools
Equipment Condition
Tool kit, general mechanic's,
Circuit breaker switch OFF, power panel
locked and tagged "Out of Service -
Tool kit, electrician's,
Do Not Operate."
See TM 55-1905-223-10 for HVAC systems
Materials/Parts
operation and equipment location.
Heating element
P/N 52424177 (Duct 8)
P/N 52424178 (Ducts 8, 13, and 15)
P/N 52424179 (Ducts 13 and 15)
Electrical tag, Item 1, Appendix C
REPAIR
Repair consists of replacing heating elements.
a.
Open heater front cover (7).
b.
Tag electrical line connections at terminal ends of heating element (4).
c.
Remove terminal nuts (6) and washers (5).
d.
Separate line connections from terminal ends of heating element (4).
e.
Remove mounting flange screws (2) securing heating assembly (3) to terminal box (1).
f.
Slide heating assembly (3) out of terminal box enclosure (1).
g.
Remove heating elements (4).
h.
Install heating elements (4) into heating assembly (3).
i.
Slide heating assembly (3) into terminal box enclosure (1).
2-57
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