Maintenance
Clean the Air Cap and Fluid Nozzle
Equipment needed:
DSoft bristle brush
D
CAUTION
Do not use metal tools to clean the air cap or fluid nozzle holes as this could scratch them, and make sure the electrode wire is not damaged. Scratches in the air cap or nozzle or a damaged electrode wire can distort the spray pattern.
Procedure:
1.Relieve the pressure and discharge the system voltage as instructed on page 16.
2.Remove the air cap retaining nut and air cap.
3.Clean the air cap with the soft bristle brush and a
4.With the front of the gun pointed down, clean the fluid nozzle and the front of the gun with the soft bristle brush and cleaning fluid. See Fig. 12.
NOTE: If it appears that there is fluid inside the fluid nozzle air passages, remove the gun from the line for servicing.
5.Clean the exterior of the gun with a cloth damp- ened in a
6.Carefully install the air cap. Be sure to insert the electrode wire through the center air cap hole and do not bend the wire. Rotate the air cap horns to the desired position.
7.Tighten the retaining nut until the air cap is held firmly in place; you should not be able to rotate the air cap horns by hand.
8.Test the gun resistance as instructed on page 28.
Flush the Spray Gun
1.Relieve the pressure and discharge the system voltage as instructed on page 16.
2.Make sure the gun ES
3.Turn off the air to the spray gun.
4.Change the fluid supply over to the cleaning fluid. Read the voltage isolation system manual for specific flushing procedures.
5.Spray the cleaning fluid until the fluid that comes out of the gun is clear.
6.Shut off the fluid supply and relieve the pressure as instructed on page 16.
7.Before spraying paint again, reconnect the paint supply, turn on the fluid and air supplies, and trigger the gun until it is clear of cleaning fluid.
05152A
Fig. 12
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