Troubleshooting - WAGNER W 140 P Training Manual

Problem
Spray gun buzzes and does not work
Spray gun does not suck in
Spray gun sucks in but does not spray
Spray gun works but sprays unevenly
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Troubleshooting

Cause
Piston stuck
Defective drive
No valve in pump
Suction tube loose in the conical bore
Venting hole in pump housing clogged
Intake hole (fitting) in pump housing clogged
Viscosity of spray material too high
Nozzle clogged
Ducts and holes in atomiser clogged
Spray material in container running out
Spray gun not held straight, causing air to
be sucked in
Viscosity of spray material too high (too
thick)
Fine adjustment button not set correctly
Wrong size nozzle
Nozzle or Valve worn out
Wrong valve inserted
Correction
Disassemble pump and clean with thinner
Send spray gun to Approved Service Agent
Insert valve
Adjust suction tube
Clean
Clean
Thin accordingly
Clean
Clean
Refill
Use flexible extension nozzle
Thin accordingly
Reset according to spray material
Change nozzle
Replace
Use correct valve