Graco GX21 Cordless, Operation, Parts

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How to Spray
20 3A8429A
Adjust Pressure Control
The pressure control knob allows for infinite pressure adjustment. To reduce overspray, always start at the
lowest pressure setting and increase pressure to the minimum setting that results in an acceptable spray
pattern.
To select pressure, align symbol on pressure control knob with setting indicator on sprayer
.
Tip and Pressure Selection
See table for recommended spray pressure for your material. Refer to paint (material) can for
manufacturer’s recommendations.
Maximum tip hole sizes supported by the sprayer:
– GX21: 0.021 in. (0.53 mm)
Fine Finish Tips
Fine Finish tips have an additional orifice that provides a finer atomization of the material.
Coatings
Stains Enamels Primers Interior Paints Exterior Paints
Spray Pressure Setting Low Spray Low Spray High Spray High Spray High Spray
Tip Hole Size
0.011 in. (0.28 mm)

0.013 in. (0.33 mm)
   
0.015 in. (0.38 mm)
   
0.017 in. (0.43 mm)
  
0.019 in. (0.48 mm)

0.021 in. (0.53 mm)

Size
Coatings
Polyurethane Lacquer
Sanding
Sealer Enamels Latex
Spray Pressure Setting Low Spray Low Spray Low Spray High Spray High Spray
0.008 in. (0.20 mm)
  
0.010 in. (0.25 mm)
  
0.012 in. (0.31 mm)

0.014 in. (0.36 mm)

0.016 in. (0.41 mm)
