Graco 3A2495C Manual De Usuario
Troubleshooting
Troubleshooting
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.
To reduce the risk of a skin injection injury, always
follow the
,
whenever you are instructed to relieve the
pressure.
NOTE: Check all possible remedies in the Troubleshooting Chart before disassembling the gun.
Spray Pattern Troubleshooting
NOTE: Some spray pattern problems are caused by the improper balance between air and fluid.
Problem
Cause
Solution
No fluid.
Refill supply.
Fluttering or spitting spray.
Air in fluid supply.
Check fluid source. Refill.
Fluid buildup; partially plugged tip. Clean.
See
.
Irregular pattern.
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
.
Air pressure too low.
Open atomizing air adjustment
valve.
Tails in pattern.
Fluid pressure too low.
Increase.
Air pressure too high.
Decrease.
Fluid pressure too low.
Increase.
Fluid buildup on air cap/tip guard.
Air cap holes plugged.
Clean.
See
.
3A2495C
35