Graco 3A2495C important safety instructions Atomizing Air Adjustment Valve Repair

Page 49

Atomizing Air Adjustment Valve Repair

1.See Prepare the Gun for Service, page 39.

2.Place a wrench on the flats of the valve assembly (29) and unscrew it from the handle (16).

3.Inspect the valve assembly. If damaged, install a new valve (29).

4.Before installing the valve assembly in the handle, unscrew the valve stem (29b) from the housing (29a) until it stops.

5.Install the valve assembly into the gun handle. Torque the valve housing (29a) to 15 in-lb (1.7 N•m).

Repair

Figure 38 Atomizing Air Adjustment Valve

3A2495C

49

Image 49
Contents Instructions Important Safety InstructionsContents II 2 G Smart Display Standard DisplayFIRE, EXPLOSION, and Electric Shock Hazard Skin Injection Hazard Equipment Misuse Hazard How the Electrostatic AA Spray Gun Works Gun OverviewSetup Checklist, Chart, page 62, for availDescription Purpose See Spray Tip SelectionSmart Guns Operating Mode Bar GraphError Display Key for Figs Description Purpose Description Purpose Diagnostic Mode Alternator Speed Hertz Screen Ventilate the Spray Booth InstallationFluid Supply Line Air Supply LineHose NON-HAZARDOUS Area Typical Installation Key DescriptionGun Setup Checklist Gun SetupGun Setup Pressure Drop LED Indicator Colors DescriptionGrounding Key to Figs Ground the Operator Ground the Gun Check Gun Electrical Grounding Check Fluid Resistivity Flush Before Using EquipmentCheck Fluid Viscosity Fluid Resistivity Levels Megohms-cmOperation Pressure Relief ProcedureStartup ShutdownFlushing MaintenanceClean the Gun Daily Maintenance Check Gun Electrical Grounding, Daily System CareTest Gun Resistance Electrical TestsAlternator Removal and Replacement, Test Power Supply ResistanceTest Gun Barrel Resistance Spray Pattern Troubleshooting TroubleshootingProblem Cause Solution Clean the Gun Daily,Gun Operation Troubleshooting Power Supply Removal Replacement,Replacement, page 45 Test Gun Resistance,Replacement, page 52 See Clean the Gun Daily,Repair Prepare the Gun for ServiceSee Prepare the Gun for Service, Air Cap, Spray Tip, and Fluid Seat Housing ReplacementSee Test Gun Resistance, Electrode ReplacementFluid Tube Removal and Replacement Fluid Filter ReplacementGun Barrel Removal Gun Barrel InstallationRemove Cap and Springs Fluid Needle ReplacementSee Prepare the Gun for Service, See Gun Barrel Removal, Power Supply Removal and ReplacementAlternator Removal and Replacement Alternator Fan Air Adjustment Valve Fan Air Adjustment Valve RepairAtomizing Air Adjustment Valve Repair ES On-Off Valve Repair Air Valve Repair See Gun Barrel Installation,Smart Module Smart Module ReplacementAir Inlet Fitting and Air Exhaust Valve Air Swivel and Exhaust Valve ReplacementParts Standard Air-Assisted Spray Gun AssemblyDescription Qty Smart Air-Assisted Spray Gun Assembly See Smart Module Assembly Part No N664 Alternator Assembly Alternator AssemblyPart No N632 ES On-Off Valve Assembly ES On-Off Valve AssemblyPart No N634 Fan Air Valve Assembly Fan Air Valve AssemblyAir Cap Assembly Smart Module Assembly AEM Fine Finish Spray Tips Spray Tip Selection ChartOrifice Fluid Output AEF Fine Finish Pre-Orifice Spray TipsOz/min l/min 41 bar MPa Bar Spray TipGun Accessories Repair Kits, Related Manuals, and AccessoriesSystem Accessories Test EquipmentHoses Operator AccessoriesGun Model In. mm Weight, oz g DimensionsTechnical Data Graco Information Graco Pro Xp Warranty