ARMY TM 10-4610-309-14
MARINE CORPS TM10802A-14/1
0027 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
OPERATOR INSTRUCTIONS
OPERATION UNDER UNUSUAL CONDITIONS
Cold Weather Standby or Short Term Shutdown
Refer to WP 0017.
Cold Weather Emergency Shutdown on Loss of Power
1. Open all drain valves on the TWPS (see Table 2 and Figure 5 for valve location).
Table 2. TWPS Drain Valves.
VALVE NAME AND NUMBER
POSITION
Product RO Element 3-Way Valves, left end, V-502, 503, 506, 507, 510
Drain
RO Vessel Drain Valve V-408
Open
RO Feed Tank Auxiliary Drain Valve V-210
Open
Turbocharger Reject Drain Valve V-410
Open
Turbocharger Feed Drain Valve V-303
Open
Strainer S-2 Vent /Sample Valve V-110
Open
Strainer S-2 Drain Valve V-109
Open
Feed Piping Drain Valve V-304
Open
HP Pump Outlet Drain Valve V-302
Open
Strainer S-4 Drain Valve V-213
Open
RO Feed pump P-4 Drain Valve V-211
Open
Coalescer CO1 Drain Shutoff Valve V-902
Open
HP Pumps Case Drain Valve V-215
Open
HP Pump P-5 and P-6 Inlet Drain Valve V-214
Open
HP Pump P-5 and P-6 Outlet Drain Valve V-301
Open
Air Compressor Intermediate Filter Drain Valve V-901
Open
RO Feed Tank Main Drain Valve V-412
Open
Product RO Element 3-Way Valves, right end, V-501, 504, 505, 508, 509
Drain
MF Filtrate Sample/Drain Valve V-204
Open
MF Filtrate Drain Valve V-203
Open
MF Shell Drain Valve V-403
Open
NOTE
The Product RO Element 3-Way Valves are in the drain position when the middle
pointer on the valve handle is pointing toward the RO Vessel (see Figure 4).
PRODUCT WATER DISCHARGE PIPE
FROM RO VESSEL
MIDDLE POINTER
Figure 4. RO Element 3-Way Valve in the Drain Position.
0027 00-6
