Graco ULTRA 1000 Instructions-Parts List Manual page 12

FLUSHING GUIDELINES
When to Flush 5. Storage.
1. New Sprayer. Your new UltraTM 1000 Sprayer was Water-base p a l n t flush with water, then mineral
factory tested in lightweight oil which was left in to
protect pump parts.
spirits and leave the pump, hose and gun filled with
mineral spirits. Shut off and unplug the sprayer,
Before uslng water-base palnt, flush with minerel open the pressure relief valve to relieve pressure
water flush.
spirits, followed by soapy watar, and then a clean and leave open.
Oll-base p a l n t flush with minerel spirits. Shut off
Before uslng oll-base palnt, flush with mineral
spirits only.
end unplug the sprayer, open the pressure relief
valve to'relieva pressure and leave open.
2. Changing Colors. Flush with a compatible solvent
such es mineral spirits or water.
6. Startup after atorage.
Before uslng water-base palnt. flush out mineral
3.
Changlng from water-base t o oil-base paint.
spirits with soapy water and then a clean water
Flush with soapy water, then mineral spirits.
flush.
When uslng oll-base palnt, flush out the mineral
4. Changlng from oil-base t o water-base paint. spirits with the paint to be sprayed end the spreyer
Flush with mineral spirits, followed by soapy water, is ready to use.
then a clean water flush.
How t o Flush
1. Follow the Pressure Relief Procedure Warnlng
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
Fig 8.
SCREEN
FILTER
SUPPORT
MAINTAIN FIRM
METAL TO METAL
CONTACT WHEN
ns
8
RELIEF VALVE
Fig 9
3.
Close the filter Dressure relief valve. 7. Check all fluid connections for leaks.
If anv leak.
4. Pour one-half gallon (2 liters) of compatible solvent
into a bare metal pail. Put the suction tube in the
pail.
first follow the Preaaura Relief Procedure Warn-
lng on page 2 or 10. Now tighten the connections,
start the sprayer, and recheck the connections for
leaks.
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--.,
5 . Remove the spray tip from the gun.
W A R N I N G
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 and aimed into a grounded metal pail when
6. Disengage the gun safety latch. Point the spray gun
of the gun firmly touching the metal container,
into a metal waste container and with a metal part
squeeze the gun trigger. See Fig 9. Thls prc
cedure helps reduce the rlsk of atatlc sparklng
and splashlng. With the gun triggered, turn the
adjusting knob clockwise lust untll the sprayer
ON/OFF switch to ON and slowly turn the pressure
starts. Keep the gun triggered until clean solvent
engage the gun safety latch.
comes from the nozzle. Release the trigger and
8.
9.
10.
Remove the auction tube from the peil. Disengage
.from the hose.
Do not k t the pump run dry for
the gun safety and trigger the gun to force solvent
more than
30
seconds to
avold
damaglng the
pump
packlngal Then turn ON/OFF switch to OFF
and engage the gun safety latch.
Unplug the power supply cord. Open the pressure
the sprayer again. Unscrew the filter bowl and
relief valve and leave open until you are ready to use
reinstall the clean screen. Reinstall the bowl, hand
tight only.
ing to use a water-base paint,
flush with soapy
If you have flushed with mineral spirits and ere go-
water followed by a clean weter flush. Then repeat
Step 1.