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 TM 55-1925-273-10-1
OPERATOR'S MANUAL
INLAND AND COASTAL LARGE TUG (LT)
OPERATION UNDER USUAL CONDITIONS
MARINE SANITATION DEVICE SHUTDOWN
INITIAL SETUP:
Personnel Required:
References:
One Watercraft Engineer, 88L
SYSTEM SHUTDOWN
NOTE
The System Shutdown procedure is performed for the following reasons: System Lay Up, Sys-
tem Overhaul, Air Scour and Pump Out of the Media Tank, and Cleaning of the Media Tank.
1.
Perform the Sewage Holding Tank To Shore Connection procedure (WP 0081 00).
2.
Set the PUMP HAND/OFF/AUTO switch (figure 1, item 1) on the MSD control panel to OFF.
BLOWER RUN
PUMP
HAND
AUTO
OFF
START
STOP
1
2
Figure 1. MSD Control Panel
3.
Set to OFF the aeration blower by pressing the STOP button (figure 1, item 2) on the MSD control panel.
4.
Set to OFF the MSD DISCHARGE PUMP AND BLOWER. circuit breaker (figure 2, item 1) in 440V power panel No. 4.
5.
Set to OFF SEWAGE DISCHARGE PUMP No. 1. circuit breaker (figure 3, item 1) and SEWAGE DISCHARGE
PUMP No. 2. (figure 3, item 2) circuit breaker in 440V power panel No. 1 (figure 3, item 2).
6.
Align the valves for the MSD as specified in figure 4 and table 1.
0106 00-1
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