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Flushing
When to flush
1. Before usina a new swaver: flush
which was left in to prdted pump parts.
out the oil
Before using water-base paint: flush with min-
eral spirits followed by soapy water, and then a
clean waterflush.
Before using oil-base paint: flush with mineral
spirits only.
2 .
Changing colors: flush with a compatible solvent
such as mineral spirits or water.
3. Changing from water-base to oil-base paint:
flush with warm, soapy water, and then mineral
spirits.
4. Changing from oil-base to water-base paint:
flush with mineral spirits, then warm, soapy
water,
and then a clean water flush.
5. Storage afler using water-base paint:
flush with
water and then mineral spirits. Leave
the
system
the drain valve open.
filled with mineral spirits. Relieve pressure. Leave
Storage after using oil-base paint: flush with
mineral spirits. Relieve pressure. Leave the drain
valve open.
CAUTION
NEVER leave water or water-based fluids in the
the water out with mineral spirits. Frozen fluid in
sprayer if there is a chance
it
could freeze. Push
the sprayer prevents it from being started and may
cause serious damage.
I
I
6. Startup after storage.
Before using water-base
paint, flush out the mineral spirits with soapy wa-
ter and then clean water. When using oil-base
paint, flush out the mineral spirits with the paint.
How to
flush
1. Follow the Pressure Relief Procedure on page
11.
2. Remove the spray tip and clean it separately.
3.
Pour one-half gallon
(2
liters) of compatible sol-
vent into a grounded metal flushing pail. Put the
suction hose in the pail.
4.
Open the pressure drain valve. See Fig. 3, page
9.
5.
To save the paint still In the pump and hose,
follow Step 6, except put the drain hose in the
paint pail. When solvent appears, close the drain
valve. Put the drain hose in the flushing pail. Trig-
ger the gun into the paint pail. When solvent ap-
pears, release the trigger. Continue with Step
6.
r
WARMING
To reduce static sparking and splashing, always
metal pari of the gun firmly to the side of a
remove the spray tip from the gun, and hold a
grounded metal pail when flushing. See Fig. 9.
A
metal contact
Maintain firm metal to
behveen the gun and
a grounded
metal
container
6.
Lower the pressure setting. Turn on the sprayer.
Maintaining metal-to-metal contact, trigger the
gun into the flushing pail. Slowly increase the
sprayer pressure just until the pump starts. Keep
the gun triggered until the solvent flows freely
from the gun. Circulate the solvent
to thoroughly
the gun trigger safety.
clean the sprayer. Release the gun trigger. Lock
7.
Open the drain valve and circulate the solvent
through the drain hose to thoroughly clean it.
Close the drain valve.
8.
Remove the suction hose from the pail. Unlock
the gun trigger safety. Trigger the gun and run the
pump a few seconds to push air into the hose. Do
avoid damaging the pump packings! Relieve
not run the pump dry for more than
30
seconds to
pressure.
9.
Remove and clean the inlet strainer. Wipe paint off
the suction hose and drain hose.
10.
Refer to When To Flush, Step
1
again. Relieve
pressure.
11. Leave the drain valve open until you use the
sprayer again.
14
308-216
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