PROBLEM
CAUSE
CORRECTION
“Dry” Paint
Appearance
Paint Gun is
too far from
surface.
Keep within 8” to 12”.
Paint Gun being
moved too fast
over surface.
Slow down gun motion over surface.
Inlet air pres-
sure too high.
Decrease gun inlet air pressure and or increase
fluid flow.
Incorrect thin-
ner/reducer.
Check paint manufacturer’s reducing/thinning
instructions.
Thin Paint
Appearance
Paint Gun is
too far from
surface.
Keep within 8” to 12”.
Paint Gun being
moved too fast
over surface.
Slow down gun motion over surface.
Inlet air pres-
sure too high.
Decrease gun inlet air pressure and or increase
fluid flow.
Incorrect thin-
ner/reducer.
Check paint manufacturer’s reducing/thinning
instructions.
Paint Spray
is Sputtering
Paint Gun is
dirty or con-
taminated.
Disassemble and clean gun with suitable solvent.
Nozzle or Air
cap loose.
Tighten Nozzle and or Air Cap.
Needle tip or
Nozzle seat
damaged.
Replace Needle/Nozzle set.
Gun being
tipped too far
down.
Operate gun with tip tilted no more than
45º down or up.
To order parts and supplies: 800.343.9353 >> eastwood.com
11
PROBLEM
CAUSE
CORRECTION
Gun “Spurts”
at Initial Trig-
ger Pull Then
Evens Out
No main air
regulator in line
causing pres-
sure build up in
air line.
A main remote regulator must be installed air
supply line and set to 40 PSI [2.76 bar].
Air regulator
set too far back
in line causing
pressure build
up in air line.
Install an “On Gun” regulator at inlet of paint gun.
“Dogbone”
Shaped Spray
Pattern
Inlet air pres-
sure too high.
Decrease inlet air pressure at gun.
Fluid flow
adjusted too
low.
Increase fluid flow adjustment on gun.
Exaggerated
“Football”
Shaped Spray
Pattern
Inlet air pres-
sure too low.
Increase inlet air pressure at gun.
Fluid flow
adjusted
too high.
Decrease fluid flow adjustment on gun.
Paint mixture
too thick.
Check paint manufacturer’s mix ratio instructions
or thin if possible.
TROUBLESHOOTING
