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 TM 55-1905-223-24-18-1
Repair Pressure Switch. (FIGURE 2-253)
This task covers:
a. Removal, b. Repair, c. Replacement.
INITIAL SETUP
Equipment Condition
Tools
At Auxiliary Machinery Motor Control
Tool kit, general mechanic's,
Center press No. 1 fresh water maker
pump STOP pushbutton and set P205-4
circuit breaker to the OFF position.
Materials/Parts
Press No. 2 fresh water maker pump
STOP pushbutton and set P205-5
Pressure switch P/N 57-7341-0000
circuit breaker to the OFF position.
Pressure switch P/N 57-7341-0001
Tag switches "Out of Service - Do Not
Teflon tape, Item 5, Appendix C
Warning tags, Item 1, Appendix C
Operate."
a.
Close fresh water pump suction and discharge valves.
b.
Disconnect electrical connector (1) from pressure switch (2).
Disconnect tubing (5) from bottom of pressure switch (2).
c.
d.
Remove fitting (4) from bottom of pressure switch (2).
e.
Remove nuts (3) from pressure switch (2).
Remove pressure switch (2) from bulkhead.
f.
Repair at this level of maintenance is by replacement of pressure switches (2).
I n s t a l l pressure switch (2).
a.
(1) Place pressure switch (2) on bulkhead and secure with nuts (3).
( 2 ) Apply teflon tape to fitting (4).
2-964
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