Flushing
When to flush
Determine material to spray from column 1. Flush with
material in column 2. Then follow recommendations in
one of next three columns.
CAUTION
Do not leave water or water-based fluids in sprayer if
it could freeze. Flush water out with mineral spirits.
Frozen fluid in sprayer prevents starting and may
cause serious damage.
If you are going to:
Flush with:
Prime with:
Clean with:
Store unit with:
Spray latex paint
Warm, soapy water,
then clean water
Latex-base paint
Warm soapy water,
then clean water
Mineral spirits
Spray oil paint
Mineral spirits
Oil–base paint
Mineral spirits
Mineral spirits
Change latex to oil paint
Warm, soapy water,
then clean water
Mineral spirits
Mineral spirits
Mineral spirits
Change oil to latex paint
Mineral spirits,
soapy water, and
clean water.
Latex
Warm, soapy water,
then clean water
Mineral spirits
Change colors, same base
Compatible solvent
such as water or
mineral spirits
How to flush
WARNING
INJECTION HAZARD
To reduce the risk of serious injury, when
instructed to relieve pressure, follow the
Pressure Relief Procedure on page 8.
1.
Relieve pressure.
2.
Remove spray tip and clean it separately. If you
are changing from water-based to oil-based paints
or solvents, be sure that tip is cleaned thoroughly.
3.
Remove filter screen and then reinstall bowl, hand
tight, without screen. Clean screen separately. See
manual 308–249.
4.
Pour one-half gallon (2 liters) of compatible solvent
into a grounded metal flushing pail. Put suction
hose in pail.
5.
Open pressure drain valve. See Fig.11.
6.
To save paint still in pump and hose, follow
Step 7, except put drain hose in paint pail. When
solvent appears, close drain valve. Put drain hose
in flushing pail. Trigger gun into paint pail. When
solvent appears, release trigger. Continue with
Step 7.