Graco Magnum X5 Repair And Parts Manual page 15

Problem
Pump cycles but does not build up
pressure.
Pump cycles, but paint only dribbles
or spurts when spray gun is trig-
gered.
312667K
Cause
Prime/Spray valve in PRIME position
(pointing down).
Pump is not primed.
Inlet screen is clogged or suction
tube is not immersed.
Suction tube is leaking, allowing air to
enter.
Prime/Spray Valve is worn or
obstructed with debris.
Pump check ball is stuck.
Pressure is set too low.
Spray tip is clogged.
InstaClean fluid filter is clogged.
(ProX7 and ProX9 Only)
Spray gun fluid filter is clogged.
Spray tip is too large or worn.
Basic Troubleshooting
Solution
Turn Prime/Spray valve to SPRAY
position (pointing forward).
Prime pump, see Operation manual
312001.
Clean debris off inlet screen and
make sure suction tube is immersed
in fluid.
Check suction tube for cracks and
cuts. Make sure suction tube clamp is
on hose. Replace suction tube if
cracked or damaged.
Take sprayer to Graco/M
authorized service center.
Read Pump does not prime section
in Troubleshooting, page 14.
Slowly turn pressure control knob
clockwise to increase pressure set-
ting which will turn motor on to build
pressure.
Unclog spray tip, see Operation man-
ual 312001.
Clean or replace InstaClean fluid fil-
ter, see Operation manual 312001.
Clean or replace gun fluid filter, see
Operation manual 312001.
Replace tip.
AGNUM
15