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 TM 55-1925-273-10-1
0106 00
MARINE SANITATION DEVICE SYSTEM
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
02 LEVEL
STBD PORT
SHORE SHORE
CONN CONN
01 LEVEL
SD-11 SD-10
27
26
MAIN DECK
AUX
ENGINE
MCHRY SP
ROOM
AUX
CA-84
NO. 1
29
5
MCHRY SP
SD-13
19
SD-2
NO. 1
P
SET AT
0-15
OVBD
SD-3
3 PSIG
PSIG
P
FROM
18
4
0-30
1
COMP AIR
CA-83
PSIG
CA-80
CA-81
BLOWER
FROM
SET AT
CA-82
POTABLE
2
PW-100
2 PSI
38
WATER
3
17
16
6
8
MSD-5 7
SD-9
MSD-3
MSD-6
SD-1
25
32
SEWAGE INLET
P
36 CHLORINATOR
33
0-60
P
PSIG
0-60
EFFLUENT
24
PSIG
23
MARINE
14
34
WET
11
SANITATION
AIR SCOUR
SD-7
SD-19
P
WELL
MSD-11 12
39
MSD-14
SD-8
MSD-8
B MSD-10
DEVICE
0-60
DISCHARGE
PSIG
30
SD-12
13
9
31
NO. 1 SEWAGE
MSD-9
MSD
SD-20
DISCH PUMP
DRAIN
DISCH
28
AUX
ENGINE
PUMP
10
PD-4
MCHRY
ROOM
35
37
SD-5
FROM WWTR SYS
SP NO. 1
MSD-13
15
21
SD-4
SEWAGE HOLDING TANK
NO. 2 SEWAGE
SD-6
22
DISCH PUMP
20
40
Figure 4. MSD System Schematic
Table 1. Valve Alignment for Sewage Holding Tank To Shore Connection
Item
Valve
Function
Position During Operation
Number
Number
Under Usual Conditions
(Figure 4)
1
CA-80
COV-LP AIR
CLOSED
2
CA-81
COV-LP AIR
CLOSED
3
CA-82
LP AIR HOSE SHUTOFF
CLOSED
4
CA-83
PRV-SET AT 2PSIG
Factory Set
5
CA-84
RV-SET AT 3 PSIG
Factory Set
6
MSD-3
POTW FILL TO MSD ISLN
CLOSED
7
MSD-5
BLOWER DISCHARGE SHUTOFF
CLOSED
0106 00-3
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