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Troubleshooting
309295L 21
Troubleshooting
NOTE: Check all possible remedies in the Troubleshoot-
ing Chart before disassembling the gun.
Spray Pattern Troubleshooting
NOTE: Some spray pattern problems are caused by the improper balance between air and fluid.
WARNING
Electric Shock Hazard
Installing and servicing this equipment
requires access to parts which may cause
an electric shock or other serious injury if
the work is not performed properly. Do not install or
service this equipment unless you are trained and
qualified.
WARNING
Skin Injection Hazard
To reduce the risk of a fluid injection injury,
always follow the Pressure Relief Proce-
dure on page 24 whenever you are
instructed to relieve the pressure.
Problem Cause Solution
Fluttering or spitting spray. No fluid. Refill supply.
Air in fluid supply. Check fluid source. Refill.
Irregular pattern. Fluid buildup; partially plugged tip. Clean. See gun operation manual.
Worn/damaged tip or air cap holes. Clean or replace.
Pattern pushed to one side; air cap
gets dirty.
Air cap holes plugged. Clean. See gun operation manual.
Tails in pattern. Air pressure too low. Open atomizing air adjustment valve.
Fluid pressure too low. Increase.
Fluid buildup on air cap/tip guard. Air pressure too high. Decrease.
Fluid pressure too low. Increase.