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Troubleshooting
32 312079A
Pump does not prime. In Immersion Mode suction tube is
not immersed
Make sure suction tube is immersed
in paint.
Suction tube is leaking. Tighten suction tube connection.
Inspect for cracks or vacuum leaks.
Pump does not prime with fluid. Remove suction tube from paint.
Prime pump with water or sol-
vent-based flushing fluid.
Spray gun stopped spraying. Spray tip is clogged. Unclog spray tip, page 14.
Pump cycles but does not build up
pressure.
Pump is not primed. Prime pump.
Inlet screen is clogged. Clean debris off inlet screen.
In Immersion Mode suction tube is
not immersed in paint.
Make sure suction tube is immersed
in paint.
Hopper or paint pail is empty. Refill hopper or paint pail. Reprime
sprayer.
Suction tube is leaking. Tighten suction tube connection.
Inspect for cracks or vacuum leaks. If
cracked or damaged, replace suction
tube.
Pump cycles, but paint only dribbles
or spurts when spray gun is trig-
gered.
Pressure is set too low. Slowly turn AllControl to Hi Spray to
increase pressure setting.
Spray tip is clogged. Unclog spray tip, page 14.
Spray gun fluid filter is clogged. Clean or replace gun fluid filter.
Spray tip is too large or worn. Replace tip.
Spray pattern is inconsistent or is
leaving stripes.
Pressure is set too low. Slowly turn AllControl to HI SPRAY to
increase pressure setting.
Spray tip is worn beyond capability of
sprayer.
Replace spray tip.
Paint is too thick. Thin paint slightly with compatible
solvent or water.
Pressure is set at maximum but can-
not achieve a good spray pattern.
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 4.
Spray gun fluid filter is clogged. Clean or replace spray gun fluid filter.
Inlet screen is clogged. Clean debris off inlet screen.
When paint is sprayed, it runs down
the wall or sags.
Coat is going on too thick. Move gun faster.
Choose a tip with smaller hole size.
Choose tip with wider fan.
Make sure gun is far enough from
surface.
When paint is sprayed, coat is not
covering.
Coat is going on too thin. Move gun slower.
Choose tip with larger hole size.
Choose tip with narrower fan.
Problem Cause Solution