Owner`s manual

HVLP Spray Equipment Troubleshooting

Little or no material out of nozzle. Out of paint. Fill cup or pot with paint.

Air cap screwed clockwise too far. Adjust air cap.

Check valve plugged. Clean or replace check valve assembly.

Material viscosity too heavy. Thin material. Try Paint Mate as an

additive for latex.

Nozzle plugged. Clean nozzle.

Cup or pot lid is loose. Tighten cap lever or pot wing nuts.

Pressure Pot System:

Fluid hose clogged. Clean by flushing with water or solvent,

or replace hose.

Regulator not adjusted. Adjust regulator properly (10-15 psi).

Pot gasket worn. Replace.

Pick-up tube bottomed out on gallon can. Pour paint into pot or shorten tube.

No air pressure in pot. Inspect air tube or pot gasket;

clean or replace.

Paint leaking from front of gun. Needle or nozzle worn. Replace.

Needle sticking. Adjust needle packing; check for

bent needle.

Improper needle or nozzle size. Replace with correct size for material.

Loose nozzle. Tighten.

Loose packing nut. Tighten.

Needle not closing properly. Loosen packing nut, replace needle

spring, remove dried paint from needle.

Paint leaking from packing nut. Packing damaged. Replace.

Poor spray pattern. Air holes in air cap ears are clogged. Remove and clean air holes.

Nozzle is clogged. Clean with appropriate solvent.

Damaged nozzle or needle. Remove and replace.

Air cap screwed in too far. Adjust air cap to proper setting.

Gun too far from surface. Move gun closer (within 6").

Pulsating spray pattern. Loose or damaged packing. Adjust or replace packing.

Pattern off center; heavy to one side. Air cap holes plugged. Clean holes in cap.

Gun not held perpendicular to surface. Position gun correctly.

Damaged air cap. Replace.

Pattern heavy in the middle. Too much fluid pressure. Reduce pressure.

Gun spitting paint. Check valve not operating properly. Clean or replace valve assembly.

Material too thick. Thin material. Try Paint Mate

as an additive for latex.

Paint build-up on air cap. Improper adjustment of the cap. Adjust per manual instructions.

Excessive overspray. Gun too far from surface. Move closer.

Air pressure too high. Reduce air pressure to level that

adequately atomizes coating.

Material too thin. Add unthinned material.

Restricted or no air flow. Air control valve turned off. Adjust air control valve.

Air filters clogged. Clean or replace filters.

Problem Cause Solution