9
FLUSHING GUIDELINES
When To Flush
1. Before
using your new sprayer
.
Y
our new sprayer
was
factory tested with motor oil and the oil was left.
in
it to protect the pump parts.
Before
using water–based paint
, flush out the oil with
mineral spirits, followed by soapy water, and then
with
clean water
.
Before using oil–based paint,
flush out the oil with
mineral
spirits only
.
2. Whenever you change the color of your paint
supply. Flush with a compatible solvent such as
mineral
spirits or water
.
3.
Whenever you change from water–based to oil–
based
paint.
Flush with soapy water
,
then with min
-
eral
spirits.
4.
Whenever you change from oil–based to water–
based paint. Flush with mineral spirits, followed by
soapy
water
, then with clean water
.
5. Before
you store
your sprayer
.
When using water–
based paint: Flush with water, then mineral spirits.
Leave the pump, hose and gun filled with mineral
spirits. Shut off and unplug the sprayer, open the
drain
valve to relieve pressure and leave it open.
When
using oil–based paint:
Flush with mineral spir
-
its.
Leave the pump, hose and gun filled with mineral
spirits. Shut off and unplug the sprayer, open the
drain
valve to relieve pressure and leave it open.
6.
Before you use your sprayer after storage.
Before using water–based paint:
Flush out mineral
spirits
with soapy water and then with clean water
.
Before
using oil–based paint:
Flush out mineral spir
-
its
with the fluid to be sprayed.
How To Flush
1. Follow
the
Pressure Relief Procedure
on page 2.
2. Pour 1/2 gallon (2 liters) of compatible solvent (see
When
to Flush
into a bare metal pail. Put the pump
suction
tube in the pail.
3. Be
sure the pressure control knob is set at minimum,
and
the drain valve is closed.
4.
Remove the spray tip from the gun.
5.
Disengage the gun safety latch.
WARNING
To
reduce
the risk of static sparking and splashing,
always
remove the spray tip from the gun, and hold
a metal part of the gun firmly to the side of a
grounded
metal pail when flushing.
6. Point the spray gun into a grounded metal pail, and
with
a metal part of the gun firmly touching the metal
container,
squeeze the gun trigger
.
This procedure
helps reduce the risk of static sparking and
splashing.
With the gun triggered, turn the ON/OFF
switch
to ON and slowly turn the pressure adjusting
knob clockwise
just until
the sprayer starts. Keep
the
gun triggered until clean solvent comes from the
nozzle.
7. Release
the trigger
. Open the drain valve to flush it.
8. Release
the trigger and engage the gun safety
latch.
Close
the drain valve.
9.
Check
all fluid connections for leaks. If there are any
leaks, follow the Pressure Relief Procedure, on
page 2. Tighten the connections, start the sprayer,
and
check to be sure the leaking has stopped.
10. Remove the suction tube from the pail. Disengage
the gun safety latch and trigger the gun into a
grounded metal pail to force solvent from the hose.
Do
not let the pump
run dry for more than 30 sec
-
onds to avoid damaging the pump packings!
11. Engage
the gun safety latch, turn the
sprayer to OFF
,
and
unplug the sprayer
. Open the drain valve.
12. If
you flushed with
mineral spirits and are going to use
a water–based paint, flush again with soapy water,
and
then with clean water
. Then follow the
Pressure
Relief
Procedure
on page 2.
MAINTAIN
FIRM
METAL-TO-METAL
CONT
ACT BETWEEN
GUN AND GROUNDED
MET
AL CONT
AINER
0667
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