ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
0017 00
OPERATOR INSTRUCTIONS
STANDBY OR SHORT-TERM SHUTDOWN OPERATION UNDER
USUAL CONDITIONS
f.
Drain into buckets if required to prevent freezing at the hose ends or the hose ends from
becoming frozen to the ground. (Use the heat gun to thaw any hose end that becomes
blocked with ice. Note that the heat gun must be plugged into the generator 110-volt
outlet and not the TWPS PDP 110-volt outlet.)
3. Leave the diesel-fired space heater on if not moving, or as long as possible if moving.
4. Leave the TQG running until all draining has been completed.
5. Open RO Feed Tank Drains V-412 and V-210 (see Figure 3 and Figure 4 for valve locations).
CAUTION
Do not disconnect the hose heater blanket and pump heater collar electrical power
cables at this time.
6. Drain the MF Tank and strainer as follows:
a. Open the Strainer S-2 Drain Valve V-109 and the Vent Valve V-110 (see Figure 6 for
valve location).
b. Disconnect the 3 in. x 3 ft hose from the P-3 MF feed pump suction.
c. Remove the 2 in. x 10 ft., green-banded raw water suction hose from the MF feed tank
and disconnect it from Adaptor A-05.
d. Disconnect the 2 in. x 50 ft., green-banded raw water discharge hose from Adapter A-05.
S-2 VENT VALVE V-110
S-2 DRAIN VALVE V-109
Figure 6. Strainer S-2 Drain Valve V-109 and Vent Valve V-110.
e. Disconnect the green-banded, 3 in. x 3 ft. suction hose from the MF feed tank outlet. Lift
the MF feed tank on the side opposite the tank discharge connection to drain as much
water out of the tank as possible.
f. Remove the hoses from the MF feed pump and drain.
g. Open the MF feed pump drain.
7. Drain the raw water system as soon as possible after draining the MF feed tank as follows:
a. Remove the discharge hose at the first raw water pump, then at the suction of the second
pump. Drain the hose.
b. Leave the hose heater blanket and pump heater collar electrical power cables connected.
c. Remove the discharge hose from the second pump and drain.
d. Do not disconnect the hose heater blanket and pump heater collar electrical power
cables.
0017 00-10
