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COMMON PAINT SPRAYING PROBLEMS

Problem

Atomisation is poor

(paint comes out in

blobs).

Over-painting.

Orange peel or fogging.

Rough texture as if paint

is drying before hitting

surface.

3. BLOW GUN

This blow gun can be used to blow

away dust and wood shavings as well

as metal filings and swarf.

1. Take great care when using this

item. Do not use high air pressures

when cleaning dust from

electrical or electronic

components.

• The air supply should be

completely clean and dry.

Parts & Service: 020 8988 7400 / E-mail: [email protected] or [email protected]

Cause

Paint volume adjustment

is incorrect (paint is too

thick).

Spray gun not clean,

resulting in needle valve

sticking.

Too much paint.

Viscosity too low.

Wrong solvent used.

Spray gun held wrong

distance from surface.

Paint too thick.

Air pressure too high.

Paint is too thin.

Air pressure could be too

high.

Solution

Add thinners to paint

and re-fill.

Adjust air regulator to

increase pressure.

Dismantle spray gun and

clean with thinner.

Adjust the volume

regulator to reduce paint

volume. Try spraying two

thin coats of paint.

Check the paint

viscosity using a viscosity

cup.

Use different solvent.

Hold spray gun at

different distance to the

target.

Thin the paint/test

viscosity using a viscosity

cup.

Reduce air pressure.

Add more paint to

container.

Reduce air pressure.