Specifications

Troubleshooting
313034H 31
Cannot trigger spray gun. Spray gun trigger lock is locked. Rotate trigger safety lever to unlock
trigger lock, page 10.
Paint is coming out of pressure con-
trol switch.
Pressure control switch is worn. Take sprayer to Graco/M
AGNUM
authorized service center.
Prime/Spray valve actuates automati-
cally relieving pressure through prime
tube.
System is over pressurizing. Take sprayer to Graco/M
AGNUM
authorized 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).
Thermal Overload, page 7.
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
Grounding and Electrical
Requirements, page 7.
Unregulated electrical generator
being used has excessive voltage.
Use electrical generator with a proper
voltage regulator. Sprayer requires
120VAC, 60 Hz, 1500-Watt
generator.
Problem Cause Solution