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 TM 55-1905-223-24-18-1
Repair Motor Control, Center Engine Room Supply Fan.
2-251.
Sheets 1 - 3)
a. Disassembly, b. Repair, c. Assembly.
This task covers:
INITIAL SETUP
Equipment Condition
Tools
Motor controller removed as specified
T o o l kit, electrician's,
Materials/Parts
Motor starter, P/N A10D-2
E l e c t r i c a l contact kit, P/N 6-34-2
Armature lever relay, P/N 48-1626
Electrical coil, P/N 9-2526-1
Electrical contact assembly,
P/N C320KR1
Auxiliary contact, P/N C320KB2
Transformer, P/N 42-3537-9
Fuse cartridge, P/N 44-576
Circuit breaker, P/N HMCP-050K2
Incandescent lamps, P/N 28-2202
Electrical contacts, P/N 10250T51,
P/N 10250T53
Thermal heaters, P/N H1049
Warning tags, Item 1, Appendix C
Position motor controller (34, FIGURE 2-201, Sheet 1) on a clean flat
a.
surface.
M o t o r starter.
b.
(1) Remove three mounting screws from motor starter (19, FIGURE 2-193, Sheet
2).
(2) Lift motor starter out of motor controller (34).
E l e c t r i c a l contact kit.
c.
(1) Position motor starter on a clean flat surface.
(2) Loosen two cover screws (33, FIGURE 2-201, Sheet 2) on electrical contact
k i t (24). Remove cover.
(3) Lift armature lever relay (31) out of each slot on armature lever relay
push bars. Note position of armature lever relay for assembly.
Change 1
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