Specifications

2. Air Atomizing Spray Guns (Cont’d)
15
1. Inadequate material flow
2. Low atomization air pressure
(suction feed)
1. Fan adjustment stem not
seating properly
1. Air pressure too high
2. Material not properly reduced
(suction feed)
3. Gun too far from surface
4. Gun motion too fast
1. Too much atomization air
pressure
2. Gun too far from surface
3. Improper technique (arcing,
gun speed too fast)
1. Too much, or too fast-drying
thinner
2. Too much atomization air
pressure
1. Pressure feed cap/tip used
with suction feed
2. No pressure at gun
3. Fluid needle not retracting
4. Fluid too heavy (suction feed)
1. Back fluid adjusting screw
out to first thread or increase
fluid pressure
2. Increase air pressure and
rebalance gun
1. Clean or replace
1. Lower air pressure
2. Reduce to proper consistency
and temperature
3. Adjust to proper distance
4. Slow down
1. Reduce pressure
2. Use proper gun distance
3. Use moderate pace, keeping
gun parallel to work surface
1. Remix with proper reducer
and temperature
2. Reduce pressure
1. Use suction feed cap/tip
2. Check air lines
3. Open fluid adjusting screw
4. Lower fluid viscosity or
change to pressure feed
Starved spray pattern
Unable to form round
spray pattern
Dry spray
Excessive overspray
Excessive fog
Will not spray
Problem Cause Correction