Graco Inc. PRO 244572 Uživatelský manuál

For use in Class I, Div. I hazardous locations using Group D spray materials.For use in Group II, Zone 1 areas using Group IIA spray materials.For Pro

Installation 10 309295LConnect the Air Line1. Connect the Graco Grounded Air Supply Hose (R) between the air supply line and the gun's air inlet

Installation309295L 11Connect the Fluid Line1. Before connecting the fluid line (N), blow it out with air and flush it with solvent. Use solvent which

Installation 12 309295LGroundingThe following are minimum grounding requirements for a basic electrostatic system. Your system may include other equip

Installation309295L 13Check Electrical Grounding1. Have a qualified electrician check the electrical grounding continuity of the spray gun and air hos

Installation 14 309295LCheck Fluid ResistivityGraco Part No. 722886 Resistance Meter and 722860 Probe are available as accessories to check that the r

Operation309295L 15OperationLow Voltage Adjustment (Smart Guns Only)The ES HI/LO switch enables you to switch between full voltage and a lower voltage

Maintenance 16 309295LMaintenanceFlush the Spray GunFlush the gun before changing colors, at the end of the day, before storing, and before repairing

Maintenance309295L 174. Change the fluid source to solvent, or disconnect the fluid line and connect a solvent supply line to the gun.5. Point the gun

Electrical Tests 18 309295LElectrical TestsElectrical components inside the gun affect performance and safety. The following procedures test the condi

Electrical Tests309295L 19Test Power Supply Resistance1. Remove the power supply (18), page 32.2. Remove the turbine alternator (19) from the power su

2 309295LTable of ContentsList of Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Warnings . . . . . . . . . . . . . . . . . .

Electrical Tests 20 309295LTest Barrel Resistance1. Insert a conductive rod (B) into the gun barrel (removed for the power supply test) and against th

Troubleshooting309295L 21TroubleshootingNOTE: Check all possible remedies in the Troubleshoot-ing Chart before disassembling the gun.Spray Pattern Tro

Troubleshooting 22 309295LGun Operation TroubleshootingProblem Cause SolutionExcessive spray fog. Atomizing air pressure too high. Close atomizing air

Troubleshooting309295L 23Electrical Troubleshooting* ES indicator light is off when the gun is triggered.Problem Cause SolutionPoor wrap. ES ON/OFF va

Repair 24 309295LRepairPressure Relief Procedure1. Turn the ES ON/OFF valve OFF.2. Lock the trigger.3. Turn off the air bleed valves to the fluid sour

Repair309295L 25Prepare the Gun for ServiceNOTE: • Check all possible remedies in Troubleshooting before disassembling the gun.• Use a vise with padde

Repair 26 309295LTip Guard, Air Cap, Spray Tip, or Seat Housing Replacement1. Prepare gun for service, page 25.2. Remove the retaining ring (27), tip

Repair309295L 275. Trigger the gun and install the gray-colored seat housing (2). Tighten until snug, then 1/4 turn more.6. Assemble the spray tip (3)

Repair 28 309295LElectrode Replacement1. Prepare the gun for service, page 25.2. Remove the air cap assembly, page 26.3. Pull the electrode (9b) out o

Repair309295L 29Fluid Tube Replacement1. Prepare the gun for service, page 25.2. Disconnect the bottom fluid tube nut (C). See FIG. 11.3. Carefully un

List of Models309295L 3List of ModelsPart No. Model DescriptionOperation Manual244572, Series C PRO Xs4 AA Manual Air-Assisted Spray Gun 309296/3W9296

Repair 30 309295LFluid Needle Replacement1. Prepare the gun for service, page 25. 2. Remove the air cap assembly and seat housing, page 26.3. Remove t

Repair309295L 31Barrel Removal1. Prepare the gun for service, page 25.2. Carefully loosen the nut (C) from the bracket fluid fit-ting (13). See FIG. 1

Repair 32 309295LPower Supply Removal and ReplacementNOTE: • Inspect the gun handle power supply cavity for dirt or moisture. Clean with a clean, dry

Repair309295L 33Turbine Alternator Removal and ReplacementNOTE: Replace turbine bearings after 2000 hours of operation. Order Part No. 223688 Bearing

Repair 34 309295LAtomizing Air Adjustment Valve Repair1. Prepare the gun for service, page 25.2. Place a wrench on the flats of the valve assembly (20

Repair309295L 35Air Valve Repair1. Prepare the gun for service, page 25.2. Remove the barrel, page 31.3. Remove the air valve cap (25) from the handle

Repair 36 309295LES ON/OFF Valve Repair1. Prepare the gun for service, page 25.2. Loosen the screw (48). Remove the valve. 3. Lubricate the o-rings (2

Parts309295L 37PartsPart No. 244572 85 kV Electrostatic Gun, Series C (items 1-50)I OESti1366a49a2616111819*1017282022251521*

Parts 38 309295LTI1487A20a20b*20c20dRef. No. 22: ES ON/OFF ValveRef. No. 20: Atomizing Air Adjustment ValveRef. No. 19: AlternatorTI1481a19a*19b19b19c

Parts309295L 39Part No. 244572 85 kV Electrostatic Gun, Series C (items 1-50)Ref. No.Part No. Description Qty1 205264 FILTER, fluid, inline 12 245280

Warnings 4 309295LWarningsWarning SymbolThis symbol alerts you to the possibility of serious injury or death if you do not follow the instructions.Cau

Parts 40 309295L* Included in Air Seal Repair Kit 244781.*** Rubber seal is not removable.Replacement Warning labels, signs, tags, and cards are avail

Parts309295L 41Part No. 244573 85 kV Electrostatic Gun, Series C (items 1-59)ti1253a100%KVμα0HILOESI OI

Parts 42 309295LPart No. 244573 85 kV Electrostatic Gun, Series C (items 1-59)TI1488ATI1487ATI1481a20a20b*20c20dRef. No. 20: Atomizing Air Adjustment

Parts309295L 43* Included in Air Seal Repair Kit 244781.*** Rubber seal is not removable.Replacement Warning labels, signs, tags, and cards are availa

Accessories 44 309295LAccessoriesAir Line AccessoriesAirFlex™ Flexible Grounded Air Hose100 psi (7 bar, 0.7 MPa) Maximum Working Pressure0.315 in. (8

Accessories309295L 45Gun AccessoriesGun Repair Kit244781 Air Seal Repair KitElectrode Replacement Kit244917 Includes five electrodes.Inline Fluid Filt

Spray Tip Selection Chart 46 309295LSpray Tip Selection ChartPart No.Fan Width at10 in. (250 mm)in. (mm)Orifice Sizein. (mm)GG3107 2-4 (50-100) 0.007

Technical Data309295L 47Technical DataLoctite® is a registered trademark of the Loctite Corporation.Category DataMaximum Working Fluid Pressure 3000 p

All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves th

Warning309295L 5Toxic Fluid HazardHazardous fluids or toxic fumes can cause a serious injury or death if splashed in the eyes or on the skin, swallowe

Introduction 6 309295LIntroductionHow the Electrostatic AA Spray Gun WorksThe air-assisted spray gun combines airless and air spraying concepts. The s

Introduction309295L 7Gun OverviewThe electrostatic gun includes the following controls. See FIG. 1.• Air cap/tip guard and spray tip. Never spray with

Installation 8 309295LInstallationInstall the SystemFIG. 2. shows a typical electrostatic air-assisted spray system. It is not an actual system design

Installation309295L 9Fig. 2. Typical InstallationKeyti1514bAB*C*D*EFGHJ*KLMNOPQ**RSTU*VWCNon-Hazardous Area Hazardous AreaDXThe air supply to the gun