ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
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TACTICAL WATER PURIFICATION SYSTEM (TWPS)
UNIT MAINTENANCE PROCEDURES
CONTROL INSTRUMENTS
Flow Loop Status Check:
NOTE
The flow transmitter is designed so that you can check the operating status of the
transmitter and the sensor. When the transmitter detects a "FAIL" diagnostic
condition it will flash the "WARNING CHECK STATUS" message on the screen. By
performing the flow loop status check, you can determine if the problem is with the
transmitter or the sensor.
Perform the flow loop status check as follows:
1. Press the MENU key to display a "MAIN MENU" screen.
2. If the "MAIN MENU TEST/MAINT" screen is not showing, use the up and down arrow keys to
display it.
3. Press the ENTER key to display TEST/MAINT STATUS.
4. Press the ENTER key again.
a. If STATUS: ANALYZER OK appears, the transmitter is operating properly.
b. If FAIL appears, replace the transmitter. Refer to Panel-Mounted Flow Transmitter
Replacement and Configuration.
5. Press the ENTER key again.
a. If STATUS: SENSOR OK appears, the sensor is operating properly.
b. If FAIL appears, replace the sensor. Refer to Tee-Mounted Flow Sensor
Replacement.
6. Press the ESC key or the ENTER key again to end status checking.
Panel-Mounted Conductivity Transmitter Replacement:
Parts:
GLI Model C33 Conductivity Analyzer (TM 10-4610-309-24P)
Tools:
Electrical Tool Box
Equipment Condition:
TWPS in Standby Shutdown Without Draining Down
Army TWPS: Generator off and TWPS main breaker off
Marine Corps TWPS: TWPS disconnected from power source
Replacing Conductivity Indicating Transmitter CIT-501 as follows:
WARNING
Electrical hazard. Army personnel: make sure that the generator is off and the
TWPS main breaker is off before working on the transmitter. Marine Corps
personnel: make sure that the TWPS is disconnected from its power source before
working on the transmitter. Failure to observe this warning could result in serious
injury or death from electrical shock.
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