ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
0016 00
OPERATOR INSTRUCTIONS
MAINTAINING NORMAL OPERATION UNDER USUAL CONDITIONS
Table 6. Normal Instrument Readings and Response to Changes Continued.
Normal Reading
Reading Changes
Response to Changes
Product Flow
See Table 2.
Increase to more than 1 gpm over
Slowly open the Main Pressure Control
normal.
Valve V-401 to decrease the flow.
Decrease to less than 0.5 gpm over
Slowly close the Main Pressure Control
normal.
Valve V-401 to increase the flow
Product TDS
The product TDS changes with the raw
The %Salt Rejection display provides the
water TDS. Normal ranges are as listed.
information for operator response to
adverse changes in the product TDS.
Raw Water
Prod mg/l
For Product TDS High alarm, refer to
Table 5.
Fresh water
1 to 2
Brackish water
50 to 300
Normal seawater
400 to 600
High TDS Seawater
600 to 900
Total Product Water
120,000 to 126,000 gallons on high
Run TWPS to assure that the minimum
brackish and seawater sources over 100
100-hour mission product total is
hour (5 day) mission.
produced.
150,000 to 156,000 gallons on low
brackish and freshwater sources over 100
hour (5 day) mission.
High Pressure Air PI-902
Nominal air pressure of 100 psig.
Acceptable pressure range of
Adjust PRV-901 if the pressure reading is
90-110 psig.
outside of the acceptable range. Refer to
Low Pressure Air PI-903
Nominal air pressure of 15 psig.
Acceptable pressure range of
Adjust PRV-902 if the pressure reading is
14-16 psig.
outside of the acceptable range. Refer to
0016 00-25
