Original operation manual
47
AirlessPhoenixGX_BA_en_1803 • 0550010-en • jw
Eliminating operational faults
Fault
Possible cause
Remedy
Pump is running, but no
spraying material is being conveyed to the gun.
–
Suction screen clogged.
➤
Clean the screen, replace if necessary
–
Suction hose blocked.
➤
Replace hose.
–
The ball in the bottom valve does
not lift (stuck).
➤
Open the spray gun without nozzle.
➤
Open the relief valve on the high pressure filter
.
➤
Move the bottom valve to the side
with a slight impact (rubber hammer).
➤
Unscrew suction system and release the ball in the bottom valve from below using a pin or a screwdriver
–
Bottom valve does not close.
➤
Unscrew the bottom valve and clean
the ball and the seat thoroughly
.
Pump is conveying material,
but does not stop when the spray
gun is closed.
–
Packing or valve worn out.
➤
Disassemble the
pump using the
spare
parts list and replace defective parts.
Pump running smoothly
, but the
required spraying pressure is
not achieved.
–
Air pressure is too low or too
little air
.
➤
Increase the air pressure on the compressed air regulator or check the
air line for the correct cross-section.
–
Spray nozzle (new) is too large.
➤
Insert the smaller nozzle or use
a larger pump.
–
Spray nozzle worn (too large).
➤
Insert a new nozzle.
–
High pressure filter blocked
➤
Clean the filter element
(see chap. 6.4.1 on page 43)
