Basic Troubleshooting
312004B
19
Pump cycles, but paint only dribbles or
spurts when spray gun is triggered.
Pressure is set too low.
Project Painter 5 and Project Painter 7
Sprayers -Slowly turn AllControl to HI
SPRAY to increase pressure setting
or
SR7, ProX 7 and ProX9 - Turn Pressure
Control Knob clockwise to increase
pressure setting which will turn on motor
to build pressure.
Spray tip is clogged.
Unclog spray tip (see Operation manual).
SR7, ProX7 and ProX9 - InstaClean fluid
filter is clogged.
Clean or replace InstaClean fluid filter
(see Operation manual).
Spray gun fluid filter is clogged.
Clean or replace gun fluid filter (see
Operation manual).
Spray tip is too large or worn.
Replace spray tip.
Pressure is set at maximum but cannot
achieve a good spray pattern.
Reversible spray tip is in UNCLOG
position.
Rotate arrow-shaped handle on spray tip
so it points forward in SPRAY position
(see Operation manual).
Spray tip is too large for sprayer.
Select smaller spray tip.
Spray tip is worn beyond capability of
sprayer.
Replace spray tip.
Extension cord is too long or not heavy
enough gauge.
Replace extension cord.
Grounding and
Electrical Requirements
, page 5.
Spray gun fluid filter is clogged.
Clean or replace spray gun fluid filter (see
Operation manual).
SR7, ProX7 and ProX9 - InstaClean fluid
filter is clogged.
Clean or replace InstaClean fluid filter
(see Operation manual).
Inlet screen is clogged.
Clean debris off inlet screen.
Pump valves are worn.
Check for worn pump valves.
a.
Prime sprayer with paint
b.
Trigger gun momentarily. When
trigger is released, pump should
cycle momentarily and stop. If
pump continues to cycle, pump
valves may be worn. Take
sprayer to Graco/M
AGNUM
authorized service center.
Material too thick.
Thin material.
Hose too long (if extra section is added).
Remove section of hose.
Spray gun stopped spraying.
Pump was not primed with flushing fluid.
Remove suction tube from paint. Prime
pump with water or flushing
solvent-based flushing fluid.
Suction tube is leaking.
Tighten suction tube connection. Inspect
for cracks or vacuum leaks.
SR7, ProX7 and ProX9 - Prime/Spray
Valve is plugged.
Clean/replace prime tube as necessary.
Take sprayer to Graco/M
AGNUM
authorized service center if valve is
plugged.
Spray tip is clogged.
Unclog spray tip (see Operation manual).
Problem
Cause
Solution
Summary of Contents for 261800
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