Troubleshooting
30
309297K
Gun Operation Troubleshooting
Problem
Cause
Solution
Excessive spray fog.
Atomizing air pressure too high.
Decrease air pressure as low as pos-
sible.
Fluid too thin.
Increase viscosity.
“Orange Peel” finish.
Atomizing air pressure too low.
Increase air pressure; use lowest air
pressure necessary.
Poorly mixed or filtered fluid.
Remix or refilter fluid.
Fluid too thick.
Reduce viscosity.
Fluid leaks from the fluid packing
area
Worn packings or rod.
Replace packings or rod; see pages
36 or 37.
Air leaks from the air cap
Worn piston stem o-rings (34e, 34f).
Replace; see page 38.
Fluid leakage from the front of the
gun
Worn or damaged packing rod (8).
Replace; see page 36
Worn fluid seat.
Replace fluid nozzle (4) and/or elec-
trode needle (7); see pages 34 to 35.
Loose fluid nozzle (4).
Tighten; see page 34.
Damaged nozzle o-ring (4b).
Replace; see page 34.
Gun does not spray
Low fluid supply.
Add fluid if necessary.
Damaged air cap (3).
Replace; see page 34.
Dirty or clogged fluid nozzle (4).
Clean; see page 34.
Damaged fluid nozzle (4).
Replace; see page 34.
Piston (34) not actuating.
Check cylinder air. Check piston
u-cup (34d); see page 38.
Actuator arm (29) is out of position.
Check actuator arm and nuts. See
page 39.
Dirty air cap
Misaligned air cap (3) and fluid noz-
zle (4).
Clean fluid buildup off air cap and
fluid nozzle seat; see page 24.
Damaged nozzle orifice.
Replace nozzle (4); see page 34.
Fluid is coming on before the air.
Check actuator arm and nuts. See
page 39.
Air leaks from manifold
Manifold is not tight.
Tighten manifold screws (106).
Fluid leaks at the quick-disconnect.
Manifold is not tight.
Tighten manifold screws (106).
Fluid hose o-rings are worn or miss-
ing.
Inspect or replace o-rings.
Содержание PRO Auto Xs Series
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