wiwa PHOENIX GX Series, Руководство по эксплуатации

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Eliminating operational faults
fault possible cause remedy
Pump does not run
consistently (recogniz-
able by the different
stroke speeds of the
upstrokes and down-
strokes) and does
not reach the required
spraying pressure.
Viscosity of the
spraying material is too
high (loss of suction).
Dilute spraying mate-
rial.
Use a larger pump.
Improve fluidity e.g.
by heating the mate-
rial
Suction system is
leaking (fluctuations in
spray jet).
Check the gaskets on
all threaded
connections of the
suction tube and the
suction hose and
replace if necessary
(see the spare parts list
for the suction hose
and the direct intake).
Bottom valve is leaking
(pump only stops in the
upstroke when spray
gun is closed).
Unscrew the bottom
valve and clean the ball
and the seat thoroughly,
if necessary replace the
ball or the valve seat.
Piston valve is leaking
(pump only stops in the
downstroke when spray
gun is closed).
Clean and check the
ball and seat in the
double piston, replace
the valve seat as
required.
Lower or upper packing
leaks (wear).
Replace the packing.
Material runs out of
the overflow on the air
motor.
Packings are worn. Replace the packing.
Note: Do not close
the overflow!
Original Operation Manual
✓
, Status:
2021/07/23
1alpg_BA_en_bb-0550010
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