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![]() TM 55-1905-223-24-17
2-19. Repair Heater, Duct Type, Stationary (Duct #3). (FIGURE 2-9)
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."
Materials/Parts
Cartridge fuse P/N 40526001
Heating element P/N 52424176
Electrical tag, Item 1, Appendix C
REPAIR
Repair consists of replacing cartridge fuses and heating elements.
a.
Replace cartridge fuse.
(1)
Open heater front cover (7).
(2)
Check for defective cartridge fuse (8), paragraph 2-17.
NOTE
Ensure cartridge fuse is properly marked and identified for
assembly.
(3)
Remove defective cartridge fuse (8) from block fuseholder (9).
(4)
Install replacement cartridge fuse (8) in block fuseholder (9).
b.
Replace heating element.
(1)
Tag electrical line connections at terminal ends of heating element (4).
(2)
Remove terminal nuts (6) and washers (5) securing heating element (4) to mounting flange (3).
2-51
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