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 TM 55-1905-223-24-18-1
Replace Controller 1, SSDG Jacket Water Heater No. 1 and No. 2.
This task covers:
a. Removal, b. Replacement, c. Test.
Equipment Condition
Tools
Tool kit, electrician's,
On ship service switchboard turn OFF
AUX MCHRY MCC circuit breaker and tag
"Out of Service - Do Not Operate."
Materials/Parts
Warning tags, Item 1, Appendix C
REMOVAL
a.
Loosen two latch screws (1) on controller door (2).
NOTE
Circuit breaker must be "OFF" to open door.
Open door.
b.
Remove four screws (5) securing door hinges (3) with support brackets (4).
c
d.
Remove support brackets and door.
Tag and disconnect electrical leads (9) from circuit breakers (7).
e.
f.
Loosen dog latches (8) on controller (10).
Firmly grasp handles (6) and pull controller forward as it disconnects from
g.
power jack.
h.
Remove controller from enclosure.
a. Firmly grasp handles (6) and install controller into enclosure.
Push on handles (6) until controller engages with power jack.
b.
Change 1
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