8870685
HVLP Gravity Paint Gun
V4.0
10
For technical questions call 1-800-665-8685
TROUBLESHOOTING
Visit a Princess Auto Ltd. location for a solution if the tool does not function
properly or parts are missing. If unable to do so, have a qualified technician
service the tool.
Problem(s)
Possible
Cause(s)
Suggested Solution(s)
The spray pattern is
intermittent.
1. Presence of air in the
paint circuit.
2. Scratched or plugged
nozzle.
1. Tighten the nozzle using the
wrench provided.
a. Check the amount of fluid in
the container.
b. Ensure that none of the
connector holes are obstructed.
c. Tighten all fittings around the
paint circuit.
2. Clean nozzle or replace if
damaged/scratched.
The center
of the
pattern is
too
narrow.
1. The atomization of the
air pressure is too high.
2. The working material is
too thin.
1. Reduce the quantity of air and
increase the flow of paint.
2. Increase the paint viscosity.
The spray pattern is
uneven.
1. Material has built up on
the outside of the fluid
nozzle tip or center hole
or partially clogged the
nozzle orifice.
2. The fluid nozzle is loose.
1. Clean the head and the nozzle.
a. Ensure that the centering
between the head and nozzle
is precise.
b. Check that the tip of the pin is
not ruined.
2. Replace the head and nozzle if
necessary.
The spray pattern is
arched.
1. Material residue in the
holes is obstructing the
passage of material
2. The nozzle is dirty or
malfunctioning.
3. The atomization cap is
dirty or damaged.
1. Submerge the head in solvent.
2 & 3. Clean and open all closed
holes with a jet of compressed air
or a toothpick.
Do not use pointed metal objects for
this purpose, as you may deform
the hole at the end of the head.