ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
0033 00
TROUBLESHOOTING PROCEDURES
OPERATOR/CREW TROUBLESHOOTING PROCEDURES
Table 8. High Pressure Pump, Turbocharger Troubleshooting Continued.
ITEM
MALFUNCTION
POSSIBLE CAUSES
CORRECTIVE ACTION
6
Operating RO Feed Flow less
Failed reject flow sensor FE-401 or
Reconfigure the transmitter (WP 0043). If
than 48 gpm.
transmitter FT-401.
this does not correct the problem, notify
Unit Maintenance.
Failed product flow sensor FE-501 or
transmitter FT-501.
7
RO Feed Pressure and
Failed Turbocharger thrust bearing.
Check HP pump discharge pressure
product flow are low even
PI-301. If this pressure is higher than the
with Main Pressure Control
RO Feed Pressure, the turbocharger
Valve HCV-401 and Auxiliary
bearing has failed. Notify Unit
Pressure Control Valve HCV-
Maintenance.
401A closed.
8
HP Pumps run rough,
Worn valves.
- Fully open Main Pressure Control Valve
increased pulsation.
HCV-401 and Auxiliary Pressure Control
Worn pistons and/or seals.
Valve HCV-401A
- Press the High Pressure Pump STOP
button.
- Press the High Pressure Pump START
button.
- Fully close HCV-401A then slowly close
HCV-401 to obtain the normal product flow
rate
- If pulsation is still observed, repeat the
previous steps.
- Do not stop and start the High Pressure
Pumps more than 4 times.
- If pulsation is still observed, notify Unit
Maintenance.
9
Leakage from HP pump body
Worn O-rings.
Notify Unit Maintenance.
segment.
10
Leakage from the HP
Worn shaft seal.
Continue operation. Notify Unit
pump/motor adaptor drain
Maintenance.
tubing exceeds 200 ml/min
(measure with antiscalant
measuring cup)
0033 00-20
