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

OperationPressure Relief ProcedureWARNINGPRESSURIZED EQUIPMENT HAZARDThe system pressure must be manually relieved toprevent the system from starting or spraying accidentally.To reduce the risk of an injury from accidentalspray from the gun, splashing fluid, ormoving parts, follow the Pressure Relief Procedurewhenever you: are instructed to relieve the pressure, stop spraying, check or service any of the system equipment, or install or clean the spray nozzle.1. Turn off the air and fluid supply to the gun.2. Trigger the gun into a grounded metal wastecontainer to relieve air and fluid pressure.Applying the FluidThe spray gun has a built-in lead and lag operation.When triggered, the gun begins emitting air before thefluid is discharged. When the trigger actuation air isstopped, the fluid stops before the air flow stops. Thishelps assure the spray is atomized and prevents fluidbuildup on the air cap and tip.Adjust the system control device, if it is automatic, sothe gun starts spraying just before meeting the workpieceand stops as soon as the workpiece has passed.Keep the gun a consistent distance, 8 to 10 in. (200 to250 mm), from the surface of the object being sprayed.To obtain an even finish, overlap the strokes 50%.WRONGRIGHTFig. 10309029 13