Troubleshooting
332643B 29
When paint is sprayed, coverage is
inadequate.
Coat is going on too thin. Move gun slower.
Choose tip with larger hole size.
Choose tip with narrower fan.
Make sure gun is close enough to sur-
face.
Fan pattern varies dramatically while
spraying.
OR
Sprayer does not turn on promptly
when resuming spraying.
Pressure control switch is worn and
causing excessive pressure varia-
tion.
Take sprayer to Graco/M
AGNUM
autho-
rized service center.
Cannot trigger spray gun. Spray gun trigger lock is locked. Rotate trigger safety lever to unlock trig-
ger lock, page 11.
Paint is coming out of pressure con-
trol switch.
Pressure control switch is worn. Take sprayer to Graco/M
AGNUM
autho-
rized service center.
Prime/Spray valve actuates automati-
cally relieving pressure through prime
tube.
System is over pressurizing. Take sprayer to Graco/M
AGNUM
autho-
rized service center.
Paint leaks down outside of pump. Pump packings are worn. Replace pump packings.
Motor is hot and runs intermittently.
Motor automatically shuts off due to
excessive heat. Damage can occur if
cause is not corrected.
See Thermal Overload, page 10.
Vent holes in enclosure are plugged
or sprayer is covered.
Keep vent holes clear of obstructions
and overspray and keep sprayer open to
air.
Extension cord is too long or not a
heavy enough gauge.
Replace extension cord. Read Ground-
ing and Electrical Requirements, page
10.
Unregulated electrical generator
being used has excessive voltage.
Use electrical generator with a proper
voltage regulator. Sprayer requires
220-240 VAC, 50/60 Hz.
Problem Cause Solution
To Next Page
Loading...
