Troubleshooting – Harbor Freight Tools 92126 User Manual
Page 9
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SKU 92126 For technical questions, please call 1-800-444-3353.
Page 9
Troubleshooting
Problem
Possible Causes
Suggested Repairs
Paint breaking,
spitting, fluttering or
irregular spray.
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.
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.
One-sided paint pat-
tern.
One of the vent holes in the Air
Nozzle is clogged.
Clean the vent hole.
small spray area.
Bore of Air Nozzle is partially
clogged.
Clean Air Nozzle.
split spray Pattern.
Air pressure too high.
Reduce air pressure using the regula-
tor in your air pressure system, or by
turning the Air Valve Control Knob
clockwise.
Paint spatters, does
not spray evenly.
a) Paint mixture is too thick.
b) Insufficient air pressure.
c) Too much paint in mixture.
d) Dried paint in Air Nozzle.
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.
Not enough air pres-
sure to spray the
paint.
a) Air Needle partially closed.
b) Dried material in Air Ball Valve or
Air Nozzle.
c) Insufficient air supply.
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.
Inadequate coverage.
Paint “fogs” on the
workpiece.
Air pressure too high for the viscos-
ity of the paint mixture.
Reduce the air pressure or add more
paint to the mixture to increase
viscosity.
Material leaking from
Paint Cup Nipple.
a) Dried material is in threads.
b) Nipple is not tight.
a) Clean threads.
b) Tighten nipple.
Paint leaks from
nozzle when trigger is
operated.
a) Worn Fluid Needle.
b) Dried paint in Air Nozzle.
c) Loose or worn Needle Packing.
a) Replace Fluid Needle.
b) Clean Air Nozzle.
c) Tighten or replace Needle Packing.