Full Product Manual

Troubleshooting
22 3A3258J
Speed of application slow or
slower
Material too thick Thin material.
Nozzle too small Change nozzles to a larger size.
See Recommended Nozzle
Selection Chart, page 15.
Too much air being used. Partially close gun air valve to
reduce air flow.
Pump hose worn Replace hose.
Plugged or dirty gun Perform Pressure Relief Proce-
dure, page 9. Clean gun.
Kinked hose Unkink hose.
Gun adjustment set too low Increase flow adjustment with
flow adjustment nut.
Too many items on same circuit Unplug other items from circuit.
Extension cord too long or wrong
gauge
Use a different extension cord.
Refer to Grounding and Electric
Requirements, page 9.
Intermittent flow/sputtering Hopper connection not tight Check gasket. TIghten connec-
tion.
Debris in system Clean system.
Quick disconnect does not stay
connected.
Dirty or corroded fitting Clean thoroughly. Soak in oil.
Apply a few drops of light oil.
Gun will not shut off Worn nozzle or needle. Perform Pressure Relief Proce-
dure, page 9. Replace worn
parts.
Debris in needle passage Perform Pressure Relief Proce-
dure, page 9. Clean.
Fluid leaking at Flow Adjustment
Nut
Damaged seal. Perform Pressure Relief Proce-
dure, page 9. Replace seal.
Needle adjustment won’t adjust Dirty threads Clean threads.
Nozzle not on gun Put nozzle on gun.
Problem Cause Solution