TM 10-4610-310-14
0028 00
MALFUNCTION
TEST / INSPECTION
CORRECTIVE ACTION
The arrow on the body of the
Inspect solenoid valves (V2 A,B,C).
solenoid valve should be in the
10. Feed pressure too low -
Ensure that they are installed in
direction of the flow.
continued
proper direction and are working
Notify unit maintenance.
properly.
for unit troubleshooting procedure
Inspect the piping and fittings for
Remove blockage
blockage
Ensure that the flow is adjusted to
Inspect the HP pump flow meter
3.6-3.8 gpm
11. Filtrate tank level dropping
Pressure should be between 35-55
Inspect the feed pressure
psi if not refer to step 9.
Inspect the mode switch and pump
Place the switches in the proper
switches on the control panel for
position
proper position.
Place the unit in manual backwash
pressure gauge to ensure that the
If the gauge is maxed out and
doesn't drop back, the valve is not
gauge register proper pulsing.
12. Solenoid valve malfunctioning
Isolate the malfunctioning valve by
opening, if the gauge pressure is
noting the vessel being
too low, the valve is stuck open.
Notify unit maintenance.
backwashed and whether it is
backwash up or down. (WP 0003
00 page 8)
END OF WORK PACKAGE
0028 00-4
