TM 55-1925-284-14&P
0005 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
MCHRY SP
5
SD-13
SD-2
NO. 1
19
P
SET AT
0-15
OVBD
SD-3
3 PSIG
PSIG
P
FROM
18
4
0-30
COMP AIR
CA-83
1
PSIG
CA-80
CA-81
BLOWER
FROM
SET AT
CA-82
POTABLE
2
PW-100
2 PSI
WATER
38
3
17
16
6
8
MSD-5 7
SD-9
MSD-3
MSD-6
SD-1
25
32
SEWAGE INLET
P
36 CHLORINATOR
0-60
33
P
PSIG
0-60
EFFLUENT
24
PSIG
23
MARINE
14
34
WET
11
SANITATION
AIR SCOUR
SD-7
SD-19
P
WELL
MSD-14
MSD-11 12
39
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
AUX
28
ENGINE
PUMP
PD-4
MCHRY
10
ROOM
SD-5
35
37
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 3. MSD System Schematic
Table 1. Valve Alignment Under Usual Conditions
Item
Valve
Function
Position During Operation
Number
Number
Under Usual Conditions
(Figure 3)
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 2 PSIG
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
OPEN
0005 00-3