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 TM 55-1925-273-10-1
OPERATOR'S MANUAL
INLAND AND COASTAL LARGE TUG (LT)
OPERATION UNDER USUAL CONDITIONS
POTABLE WATER SYSTEM SHUTDOWN
INITIAL SETUP:
Personnel Required:
References:
One Watercraft Engineer, 88L
GENERAL
This work package contains the following procedures:
1. Secure the potable water electrical system.
2. Secure the potable water system piping and valves.
3. Reverse Osmosis Water Purification Units (ROWPU) shutdown procedure.
4. Brominator shutdown procedure.
SECURE THE POTABLE WATER ELECTRICAL SYSTEM
1.
On the main switchboard in the EOS, set the following circuit breakers to OFF:
a.
HOT POTABLE WTR HTR NO.2 (figure 1, item 1).
b.
HOT POTABLE WTR HTR NO.1 (figure 1, item 2).
1
2
Figure 1. EOS Main Switchboard
0105 00-1
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