Flushing
NOTE
Several flushes are often required to thoroughly clean the system and prepare
it
for the next fluid to be
sprayed, or to store the sprayer. Use this chart to determine the required flushing order for the fluid you
are using, and then follow the procedure below for flushing.
*Use this category for flushing a brand new sprayer and flushing after storage.
System has
new color
solvent or paint
Prime with oil-based paint none
none Mineral spiriis
Oil-based paint
-
*Oil-based
sprayed.
this fluid In
it:
Next fluid to be Flushing order: Before you spray or store
Flush
1
Flush
3
Flush
2
sprayer:
Oil-based Water-based
based paint
Mineral spiriis
Mineral spiriis
Warm soapy
water
none
I
water
Warm soapy Clean water
Wan soapy
1
Clean water
water
paint
Relieve pressure,
Leave drain valve open
Prime with water
Mineral spirits- Prime with oil
Water or water- Prepare for
I
Warm soapy
I
Clean water
1
Mineral spiriis Relieve pressure,
based Daint storaae water
I
Leave drain valve oDen
I
~~
FIRE AND EXPLOSION HAZARD
To
reduce the risk of static sparking and
splashing when flushing, always
hold a metal part of the gun firmly to the side of a
remove the spray tip from the gun and
grounded metal pail.
1.
Follow the illustrated Pressure Relief Procedure
on page
12.
Engage the gun safety latch.
2.
Turn the pressure adjusting knob
fully
counter-
clockwise to zero pressure.
3.
Remove the spray tip from the gun. Remove the
filter
bowl
and screen;
see
manual
307-273.
Clean the screen separately and install the bowl
without the screen to flush it.
See
Fig.
8.
with
1/2
gallon of compatible solvent.
5.
Start the sprayer. See page
8.
To
save the fluid
still
in
the sprayer, trigger the gun into another
container until the next fluid appears, then trigger
the gun back into the fluid you are pumping.
Circulate the flushing fluid a couple of minutes to
thoroughly clean the system.
4.
Put the suction tube into a grounded metal pail
6.
Do
not run the pump dry for more than 30
seconds to avoid damaging the pump packingsl
7.
Follow the illustrated Pressure Relief Procedure
on page
12.
Engage the gun safety latch.
6.
Unscrew the filter bowl and reinstall the clean
screen. Install the bowl and hand tighten.
9.
Remove the suction tube and screen and clean
them'separately.
DRAIN
VALVE
Fig.
0
308-560
11
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