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 Initial Startup or Startup with the System Fully Drained
This procedure covers startup with the TWPS fully drained and cold.
1. For initial startup, complete the procedures provided by WP 0009, Cold Weather Set-Up
Instructions. These procedures bring the TWPS to the point of ready to begin raw water flow.
The heating blankets have warmed the hoses. The diesel heater has warmed the TWPS to the
minimum temperature of 600 degrees Fahrenheit. The air compressor has been started.
2. For startup with the system fully drained and cold, complete the following procedures.
a. Establish electrical power (WP 0012)
b. Set the Hose/Pump Heater switch to ON.
c. Start the diesel fuel-fired heater as follows:
1) Check the fuel supply gauge. Add fuel as needed.
2) Make sure the power switch on the heater electrical panel is in the OFF position.
3) If the remote thermostat is used, set the thermostat toggle switch on the heater
electrical panel to the ON position. Then set the dial on the remote thermostat to
70 degrees Fahrenheit.
4) If you are not using the remote thermostat, set the thermostat toggle switch on
the heater electrical panel to the OFF position. This will cause the heater to
operate continuously once it is started.
5) Move the power switch on the heater electrical panel to the ON position. The
heater should start up immediately (unless the remote thermostat is used and is
set at a higher temperature than the surrounding air).
d. Allow the heater to run for at least one hour, or longer if needed to reach a temperature of
at least 60 degrees Fahrenheit. A temperature gauge is mounted on the frame between
the High Pressure Pumps (see Figure 1). Do not continue until the temperature is at
least 60 degrees.
TEMPERATURE GAUGE
Figure 1. Temperature Gauge Between the High Pressure Pumps.
e. After reaching 60 degrees Fahrenheit, check the air compressor oil. If it seems normal
(and not syrupy), start the air compressor as described by WP0014. If the air
compressor belt slips or screeches, stop the compressor and wait another 30 minutes for
the compressor oil to warm further. If the oil is syrupy when checked, wait 30 minutes
and check again.
f. After air pressure is available, complete the Pre-Operational Diagnostic Self-Tests (WP
g. Set the valves to start-up positions as described by WP0014, Table 1. Some drain
valves may be frozen open. Remove the Heat Gun and extension cord from BII box #8.
Plug it into the generator 110-volt outlet (do not plug into the TWPS PDP outlet). The
heat gun can be used to thaw any valves that cannot be closed.
0027 00-2
