Troubleshooting
30 332689D
Pump cycles but does not build up
pressure.
Pump is not primed. Prime pump.
Inlet screen is clogged. Clean debris off inlet screen and
make sure suction tube is immersed
in fluid.
Suction tube is not immersed in
paint.
Make sure suction tube is immersed
in paint.
Suction tube is leaking. Tighten suction tube connection.
Inspect for cracks or vacuum leaks. If
cracked or damaged, replace suction
tube.
Prime/Spray Valve is worn or
obstructed with debris.
Take sprayer to Graco/M
AGNUM
authorized service center.
Pump check ball is stuck. Read Pump does not prime section
in Troubleshooting, page 29
Pump cycles, but paint only dribbles
or spurts when spray gun is trig-
gered.
Pressure is set too low. Slowly turn Pressure Control Knob
clockwise to increase pressure set-
ting which will turn motor on to build
pressure.
Spray tip is clogged. Unclog spray tip, page 18.
InstaClean™ fluid filter is clogged. Clean or replace InstaClean™ fluid
filter, page 24.
Spray gun fluid filter is clogged. Clean or replace gun fluid filter, page
24.
Spray tip is too large or worn. Replace tip.
Problem Cause Solution
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