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 TM 55-1905-242-14
UNIT MAINTENANCE
FOR LANDING CRAFT, MECHANIZED (LCM-8) (ALL VESSELS WITH MOD 2 APPLICATION)
WATER PRESSURE SET, REPLACE
INITIAL SETUP:
Tools and Special Tools:
Personnel Required:
Tool Kit, Mechanic's Rail and Marine
Two Watercraft Engineers, 88L
(Item 1, Table 1, WP 0230 00)
References:
Multimeter (Item 2, Table 1, WP 0230 00)
Suitable Drain Pan
FM 55-502
TM 55-1905-242-24P (WP 0051)
Equipment Condition:
FRESH WTR TANK PRESSURE SET
circuit breaker set to OFF, locked out,
and tagged out IAW FM 55-502
REMOVAL
WARNING
Replace or repair components only after the affected circuit has been secured, locked
out, and tagged out. Performing replacement with the circuit energized may result in
damaged equipment and serious injury or death to personnel.
1.
Remove the screw (1) that secures the pressure switch cover (2).
2.
Remove the pressure switch cover (2).
3.
Set the multimeter to the Vdc (Volts direct current) setting. Place the positive multimeter lead on the positive terminal (3)
of the pressure switch (4) and the negative multimeter lead on the negative terminal (5) of the pressure switch and note
the reading. If no voltage is noted, proceed to the next step. If voltage is noted, ensure that the pressure switch circuit
breaker is properly secured.
4.
Label and remove the wiring and pressure strain relief from the pressure switch (4).
5.
Remove the piping from the intake (6) and discharge (7) ports of the pressure set (8).
6.
Remove the bolts (9) that secure the pressure set (8) to the deck and remove the pressure set.
0130 00-1
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