Troubleshooting - Central Pneumatic Professional 92126 Assembly And Operating Instructions Manual

Problem
Paint breaking,
spitting, fluttering or
irregular spray.
One-sided paint pat-
tern.
small spray area.
split spray Pattern.
Paint spatters, does
not spray evenly.
Not enough air pres-
sure to spray the
paint.
Inadequate coverage.
Paint "fogs" on the
workpiece.
Material leaking from
Paint Cup Nipple.
Paint leaks from
nozzle when trigger is
operated.
SKU 92126 For technical questions, please call 1-800-444-3353.

Troubleshooting

Possible Causes
a) Air Nozzle cracked or worn.
b) Leak at attachment or seal.
c) Needle packing worn out.
d) Insufficient paint in cup.
e) Vent hole in paint container
clogged.
One of the vent holes in the Air
Nozzle is clogged.
Bore of Air Nozzle is partially
clogged.
Air pressure too high.
a) Paint mixture is too thick.
b) Insufficient air pressure.
c) Too much paint in mixture.
d) Dried paint in Air Nozzle.
a) Air Needle partially closed.
b) Dried material in Air Ball Valve or
Air Nozzle.
c) Insufficient air supply.
Air pressure too high for the viscos-
ity of the paint mixture.
a) Dried material is in threads.
b) Nipple is not tight.
a) Worn Fluid Needle.
b) Dried paint in Air Nozzle.
c) Loose or worn Needle Packing.
Suggested Repairs
a) Replace.
b) Clean threads and seal and tighten.
c) Clean, repair or replace packing.
d) Add more paint to cup.
e) Clean out vent hole.
Clean the vent hole.
Clean Air Nozzle.
Reduce air pressure using the regula-
tor in your air pressure system, or by
turning the Air Valve Control Knob
clockwise.
a) Thin the paint mixture.
b) Increase the air pressure using the
regulator or the Air Valve Control Knob.
Do not exceed 50 psi.
c) Reduce the amount of paint flowing
into the sprayer by turning the Fluid
Valve Control Knob clockwise.
d) Clean the Air Nozzle.
a) Open Air Ball Valve by turning the air
Valve Control Knob counterclockwise.
b) Clean the dirty part.
c) Adjust the regulator in your system,
or increase air pressure. DO NOT IN-
CREASE PRESSURE BEYOND THE
50 PSI MAX.
Reduce the air pressure or add more
paint to the mixture to increase
viscosity.
a) Clean threads.
b) Tighten nipple.
a) Replace Fluid Needle.
b) Clean Air Nozzle.
c) Tighten or replace Needle Packing.
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