Flushing Guidelines - Graco ULTRA 1000 Instructions-Parts List Manual

FLUSHING GUIDELINES
When t o Flush
1.
New Spreyer. Your new UltraTM
lo00
Sprayer was
factory tested in lightweight oil which was left
in
to
Before
uslng water-base paint,
flush with mineral
protect pump parts.
spirits, followed by soapy water, and then a clean
water flush.
Before
uslng oll-base pslnt, flush with mineral
spirits only.
2.
Changlng Colors. Flush with
a
compatible solvent
such as mineral spirits or water.
3. Changing from water-base t o oil-base paint.
Flush with soapy water, then mineral spirits.
4. Changing from oil-base t o water-base paint.
Flush with mineral spirits, followed by soapy water,
then a clean water flush.
5. Storage.
spirits and leave the pump, hose and gun filled with
Water-base paint:
flush with water, then mineral
mineral spirits. Shut off and unplug the sprayer,
and leave open.
open the pressure relief valve to relieve pressure
and unplug the sprayer, open the pressure relief
Oil-base palnt:
flush with mineral spirits. Shut off
valve to relieve pressure end leave open.
Before
uslng water-base palnt,
flush out mineral
flush.
spirits with soapy water end then a clean water
When uslng oll-base palnt,
flush out the mineral
6.
Startup after storage.
i
i
spirits with the paint t o be sprayed end the sprayer
is ready to use.
How to Flush
1. Follow the Pressure Relief Procedure Warning
on page 2 or 10.
2. Remove the filter bowl and screen; see manual
307-273 supplied. Clean the screen separately and
install the bowl without the screen to flush it. See
Fia
8.
3.
Close the filter pressure relief valve.
4. Pour one-half gallon (2 liters) of compatible solvent
into a bare metal pail. Put the suction tube in the
pail.
5. Remove the spray tip from the gun.
WARNING
6. Disengage the gun safety latch. Point the spray gun
into a metal waste container and with e metal part
squeeze the gun trigger. See Fig
9.
Thls p r o
of the gun firmly touching the metal container,
and splashlng. With the gun triggered, turn the
cedure helps
reduce
the risk
of
static sparking
ON/OFF switch to ON end slowly turn the pressure
adjusting knob clockwise
lust
untll
the sprayer
starts. Keep the gun triggered until clean solvent
comes from the nozzle. Release the trigger and
engage the gun safety latch.
Fig 9
7. Check all fluid connections for leaks. If any leak,
first follow the Pressure Relief Procedure Warn-
ing on
page 2 or 10. Now tighten the connections,
start the sprayer, and recheck the connections for
leaks.
8. Remove the suction tube from the pail. Disengage
from the hose. Do
not
let
the pump run dry
for
the gun safety end trigger the gun to force solvent
Pump packlngsl
Then turn ONlOFF switch to OFF
more
than
30
seconds
to
avold damaglng the
and engage the gun safety latch.
9. Unplug the power supply cord. Open the pressure
relief valve and leave open until you are reedy to use
the sprayer again. Unscrew the filter bowl and
reinstall the clean screen. Reinstall the bowl, hand
tight only.
10. If you have flushed with mineral spirits and are go-
ing to use
s
water-base paint, flush with soapy
water followed by a clean water flush. Then repeat
Step 1.
i
1.
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12
307-785