Graco RTX5000 Operation, Parts page 22

Troubleshooting
Problem
Speed of application slow or
slower
Intermittent flow/sputtering
Quick disconnect does not stay
connected.
Gun will not shut off
Fluid leaking at Flow Adjust-
ment Nut
Needle adjustment won't
adjust
Power switch is on and sprayer
is plugged in, but motor does
not run, and pump does not
cycle.
22
Cause
Material too thick
Nozzle too small
Too much air being used.
Pump hose worn
Plugged or dirty gun
Kinked hose
Gun adjustment set too low
Too many items on same cir-
cuit
Extension cord too long or
wrong gauge
Hopper connection not tight
Debris in system
Dirty or corroded fitting
Worn nozzle or needle
Debris in needle passage
Damaged seal
Dirty threads
Nozzle not on gun
control
Air valve on gun is
closed or not open enough
Motor or control is damaged
Electric outlet is not providing
power.
Extension cord is damaged.
Sprayer electric cord is
damaged.
Solution
Thin material.
Change nozzles to a larger
size. See Recommended Noz-
zle Selection Chart, page 15.
Partially close gun air
valve to reduce air flow.
Replace hose.
Perform Pressure Relief Pro-
cedure, page 8. Clean gun.
Unkink hose.
Increase flow adjustment with
flow adjustment nut.
Unplug other items from circuit.
Use a different extension cord.
Refer to Grounding and Elec-
tric Requirements, page 8.
Check gasket. TIghten con-
nection.
Clean system.
Clean thoroughly. Soak in oil.
Apply a few drops of light oil.
Perform Pressure Relief Pro-
cedure, page 8. Replace worn
parts.
Perform Pressure Relief Pro-
cedure, page 8. Clean.
Perform Pressure Relief Pro-
cedure, page 8. Replace seal.
Clean threads.
Put nozzle on gun.
control
Open air valve.
Take sprayer to Graco
authorized service center.
Try a different outlet or plug in
something that you know is
working to test outlet.
Reset building circuit breaker
or replace fuse.
Replace extension cord. See
Grounding, page 8.
Check for broken insulation or
wires. Replace electric cord if
damaged.
control
3A3265A