309029D Automatic Delta Spray Air Spray Gun ... - Graco Inc.

Daily Gun Care, Flushing, and CleaningWARNINGPRESSURIZED EQUIPMENT HAZARDTo reduce the risk of a serious injury whenever youare instructed to relieve pressure, follow the PressureRelief Procedure on page 13.1. Relieve the pressure.2. Shut off the gun fan and atomizing air.3. Supply a compatible solvent to the gun fluid inlet.4. Point the gun down into a grounded metal container,and flush the gun with solvent until all tracesof paint are removed from the gun passages.5. Relieve the pressure.Fig. 1111. With the gun pointed down, clean the front of thegun, using the soft-bristle brush and solvent.0200712. Scrub the air cap retaining ring, air cap, and fluidnozzle with the soft-bristle brush. To clean out aircap holes, use a soft implement, such as a toothpick,to avoid damaging critical surfaces. Clean theair cap and fluid nozzle daily, minimum. Someapplications require more frequent cleaning.6. Disconnect the solvent supply.7. Remove the air cap retaining ring and air cap.8. Trigger the gun while you remove the fluid nozzlefrom the gun using a wrench, or remove the pistoncap to relieve the pressure the springs put on theneedle.CAUTIONTrigger the gun or remove the piston cap wheneveryou tighten or remove the nozzle. This keeps theneedle seat away from the nozzle seating surfaceand prevents the seat from being damaged.9. Clean the air cap retaining ring, air cap, and fluidnozzle with solvent.10. Dip the end of a soft-bristle brush into a compatiblesolvent. Do not continuously soak the brush’sbristles with solvent and do not use a wire brush.Fig. 120201113. Trigger the gun or remove the piston cap while youinstall the fluid nozzle with the wrench. Tighten thenozzle securely to 145–155 in-lb (16.4–17.5 Nm)to obtain a good seal.14. Install the air cap retaining ring and air cap.15. Dampen a soft cloth with solvent and wring-out theexcess. Point the gun down and wipe off theoutside of the gun.309029 15