Graco 3A4803A Operation, Parts page 13

4. The VacuValve is an important part of
your new sprayer. It is used to evacuate
the air out of the FlexLiner. Open
VacuValve cap.
5. Tilt the sprayer so the VacuValve is the
highest point, causing any air in the
FlexLiner to rise to the VacuValve.
Gently squeeze the FlexLiner to
evacuate all air through the VacuValve
air hole. Once you see material enter the
VacuValve reservoir, all air should be
evacuated from the FlexLiner.
6. Stop squeezing the FlexLiner and snap
the VacuValve cap closed. You will hear
the cap click when it is closed properly.
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7. Install battery onto sprayer.
8. Turn Prime Pump/Spray knob down to
Prime Pump position. To fill sprayer with
fluid, point sprayer into a waste area and
hold the trigger in for 3 – 10 seconds.
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9. Air from pump may have entered the
FlexLiner during priming. Repeat Steps
4 – 6 to ensure all air is evacuated.
10. Turn Prime Pump/Spray knob forward to
spray position.
11. Make certain spray tip is in the spray
position.
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12. You are now ready to spray.
NOTE: For best results; to evacuate all
material from the FlexLiner when the material
is nearly gone, gently squeeze the bottom of
the FlexLiner to push the last of the material
up to the cup lid.
SPRAY
Start Up
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UNCLOG
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