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 5. Normal Alarms and Alarm Responses.
Alarm
Immediate
Problem
Test or Inspection
Corrective Actions
Response
Check MF
Note: This alarm is not
Integrity
connected, but is available for
future product improvement.
MF
- Return System Mode
(1) One or more
(1) Step through the BIT
1) If a valve fails to operate,
Backwash
to Standby.
automatic valve has
self-tests to identify if an
notify Unit Maintenance. Do
Cycle Fail
- Drain the RO feed
failed to cycle as
automatic valve fails to
not continue operation.
tank.
required during
cycle (see WP 0013).
- Power down the
backwash.
system by opening the
MAIN circuit breaker at
(2) Solenoid valve XV-
(2) Step through the BIT
(2) If XV-901 fails to
the PDP (OFF position)
901 has failed to operate
self-tests to identify if XV-
energize, replace the coil with
- Then power up the
901 fails to energize (see
the spare coil from the BII.
system, thus resetting
Repeat the BIT test. If XV-
the PLC, by closing the
901 again fails to energize,
MAIN circuit breaker at
notify Unit Maintenance. Do
the PDP (ON position)
not continue operation
- Troubleshoot.
(3) Pressure transmitter
(3) Continue operation.
(3) If PT-102 has failed,
PT-102 failure
Observe pressure gage PI-
continue operation. Notify
201. If the pressure during
Unit Maintenance
the backwash
pressurization step is at
least 80 psig, pressure
transmitter PT-102 has
failed.
(4) Other causes
Notify Unit Maintenance
Air Pressure
Backwash continues.
(1) Air leakage
(1) Stop the generator and
(1) WP0033 Table 9
Low
Reset the alarm.
listen for air leaks.
(compressor
When backwash ends,
(WP0033 Table 9)
is on when
perform the following:
backwash is
- Set Mode to Standby.
(2) Pressure switch
(2) Start the compressor.
(2) Continue operation.
initiated).
- Drain RO feed tank.
PSL/PSH-901 out of
If the compressor does not
Notify Unit Maintenance to
- Open the MAIN circuit
adjustment or failed
stop before the pressure
adjust or replace PSL/PSH-
breaker at the PDP
reaches 1025 psig, the
901.
(OFF position)
pressure switch is out of
- Then close the MAIN
adjustment or has failed.
circuit breaker (ON)
- Start the compressor.
(3) Worn compressor
(3) Open the LP Air Vent
(3) Continue operation.
- Wait until air pressure
valves or piston rings
valve (V-910) until air flow
Notify Unit Maintenance.
is 900 psig, then restart
stops. Close the valve and
the TWPS.
start the compressor. Note
- When the compressor
the time required to reach
stops, push Backwash
full pressure and stop. If
Start.
longer than 30 minutes, the
(If compressor does
compressor valves or rings
not stop before the
are worn.
pressure reaches 1025
psig, see Cause #2.)
If the alarm repeats
during a later
backwash,
troubleshoot during the
next PMCS shutdown.
0016 00-18
