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 TM 55-1905-223-24-18-1
Replace Motor Controller, Emergency Lube Oil Prelube Pump.
a. Removal, b. Replacement, c. Test.
This task covers:
INITIAL SETUP
Equipment Condition
Tools
On ship service switchboard turn
Tool kit, electrician's,
OFF AUX MCHRY MCC circuit breaker
and tag "Cut of Service - Do Not
Operate."
Materials/Parts
Warning tags, Item 1, Appendix C
REMOVAL
Loosen two latch screws (1) on motor controller door (2).
a.
NOTE
Circuit breaker must be "OFF" to open door.
Open door.
b.
Tag and disconnect electrical leads to indicator lights and push switches on
c.
rear of door at contacts (11) on motor starter.
d.
Remove cable ties (12) securing cable harness to motor controller.
Remove four screws (5) securing door hinges (3) with support bracket (4).
e.
f.
Remove support brackets, door and cable assembly.
Tag and disconnect electrical leads (9) from terminal blocks (8).
(External
g.
wiring).
Tag and disconnect electrical leads from contacts (10) on thermal release
h.
r e l a y . (External wiring).
Release dog latches (7) on motor controller.
i.
Change 1
2-744
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