Clarke 3108005 Panduan Petunjuk Pengoperasian & Pemeliharaan - Halaman 10
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Halaman Cetak
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.
Parts & Service: 020 8988 7400 / E-mail: [email protected] or [email protected]
Cause
Paint volume adjustment
is incorrect for the air
volume (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.
10
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.