Troubleshooting

 

 

 

Problem

Cause

Solution

 

 

 

 

 

 

Pump does not prime.

In Immersion Mode suction tube is

Make sure suction tube is immersed

 

not 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

Pump is not primed.

Prime pump.

pressure.

 

 

Inlet screen is clogged.

Clean debris off inlet screen.

 

 

 

 

 

In Immersion Mode suction tube is

Make sure suction tube is immersed

 

not immersed in paint.

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

Pressure is set too low.

Slowly turn AllControl to Hi Spray to

or spurts when spray gun is trig-

 

increase pressure setting.

gered.

 

 

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

Pressure is set too low.

Slowly turn AllControl to HI SPRAY to

leaving stripes.

 

increase pressure setting.

 

 

 

 

Spray tip is worn beyond capability of

Replace spray tip.

 

sprayer.

 

 

 

 

 

Paint is too thick.

Thin paint slightly with compatible

 

 

solvent or water.

 

 

 

Pressure is set at maximum but can-

Spray tip is too large for sprayer.

Select smaller spray tip.

not achieve a good spray pattern.

 

 

Spray tip is worn beyond capability of

Replace spray tip.

 

 

sprayer.

 

 

 

 

 

Extension cord is too long or not

Replace extension cord. Grounding

 

heavy enough gauge.

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

Coat is going on too thick.

Move gun faster.

the wall or sags.

 

 

 

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

Coat is going on too thin.

Move gun slower.

covering.

 

 

 

Choose tip with larger hole size.

 

 

 

 

 

 

 

Choose tip with narrower fan.

 

 

 

32

312079A

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Image 32
Graco 261800 specifications Troubleshooting