Titan CAPSPRAY 55 Training Manual page 18

HVLP Spray Equipment Troubleshooting
Problem
Little or no material out of nozzle.
Paint leaking from front of gun.
Paint leaking from packing nut.
Poor spray pattern.
Pulsating spray pattern.
Pattern off center; heavy to one side.
Pattern heavy in the middle.
Gun spitting paint.
Paint build-up on air cap.
Excessive overspray.
Restricted or no air flow.
Out of paint.
Air cap screwed clockwise too far.
Check valve plugged.
Material viscosity too heavy.
Nozzle plugged.
Cup or pot lid is loose.
Pressure Pot System:
Fluid hose clogged.
Regulator not adjusted.
Pot gasket worn.
Pick-up tube bottomed out on gallon can.
No air pressure in pot.
Needle or nozzle worn.
Needle sticking.
Improper needle or nozzle size.
Loose nozzle.
Loose packing nut.
Needle not closing properly.
Packing damaged.
Air holes in air cap ears are clogged.
Nozzle is clogged.
Damaged nozzle or needle.
Air cap screwed in too far.
Gun too far from surface.
Loose or damaged packing.
Air cap holes plugged.
Gun not held perpendicular to surface.
Damaged air cap.
Too much fluid pressure.
Check valve not operating properly.
Material too thick.
Improper adjustment of the cap.
Gun too far from surface.
Air pressure too high.
Material too thin.
Air control valve turned off.
Air filters clogged.
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Cause Solution
Fill cup or pot with paint.
Adjust air cap.
Clean or replace check valve assembly.
Thin material. Try Paint Mate as an
additive for latex.
Clean nozzle.
Tighten cap lever or pot wing nuts.
Clean by flushing with water or solvent,
or replace hose.
Adjust regulator properly (10-15 psi).
Replace.
Pour paint into pot or shorten tube.
Inspect air tube or pot gasket;
clean or replace.
Replace.
Adjust needle packing; check for
bent needle.
Replace with correct size for material.
Tighten.
Tighten.
Loosen packing nut, replace needle
spring, remove dried paint from needle.
Replace.
Remove and clean air holes.
Clean with appropriate solvent.
Remove and replace.
Adjust air cap to proper setting.
Move gun closer (within 6").
Adjust or replace packing.
Clean holes in cap.
Position gun correctly.
Replace.
Reduce pressure.
Clean or replace valve assembly.
Thin material. Try Paint Mate
as an additive for latex.
Adjust per manual instructions.
Move closer.
Reduce air pressure to level that
adequately atomizes coating.
Add unthinned material.
Adjust air control valve.
Clean or replace filters.