Graco-inc 222300 User Manual

307912Rev. ACPart No. 222300 shown06443INSTRUCTIONS-PARTS LISTINSTRUCTIONSThis manual contains importantwarnings and information.READ AND KEEP FOR REF

10 307912Notes

307912 11OperationPressure Relief ProcedureWARNINGPRESSURIZED EQUIPMENT HAZARDThe system pressure must be manually relieved toprevent the sys

12 307912OperationFig. 40644305151ADD3126 4312045Selecting a Fluid Nozzle and Air CapWARNINGPRESSURIZED EQUIPMENT HAZARDTo reduce the risk of

307912 13OperationOperating the Spray Gun (continued)1. Follow the Operating Checklist on page 11.2. To adjust the air cap for a vertical or

14 307912OperationShutdownWARNINGPRESSURIZED EQUIPMENT HAZARDTo reduce the risk of an injury, follow the PressureRelief Procedure on page 11

307912 15MaintenanceClean the Air Cap and Fluid NozzleCAUTIONDo not use metal tools to clean the air cap or spraynozzle holes as this could s

16 307912TroubleshootingWARNINGELECTRIC SHOCK HAZARDInstalling and servicing this equipmentrequires access to parts which maycause an electri

307912 17TroubleshootingGun Operation TroubleshootingProblem Cause SolutionFluid leakage from the fluid packingareaThe needle packings or sha

18 307912TroubleshootingElectrical TroubleshootingProblem Cause SolutionPoor wrap-around The ES ON-OFF lever is in the OFF (O)position.*Turn

307912 19Electrical TestsThe performance and safety of the spray gun aredirectly affected by the condition of the electricalcomponents contai

2 307912Table of ContentsSymbols 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Warnings 3. . . . . . . . . . .

20 307912Electrical TestsTest Power Supply ResistanceRemove the power cartridge (18) from the gun handle.See Power Cartridge Replacement on p

307912 21Electrical TestsTest Resistor Stud Resistance (continued)If the resistance is outside the specified range, removethe resistor stud (

22 307912ServicePrepare the Gun for ServiceWARNINGELECTRIC SHOCK HAZARDInstalling and servicing this equipmentrequires access to parts which

307912 23ServiceAir Cap/Nozzle/Resistor StudReplacement (continued)6. Trigger the gun while installing the fluid nozzle (21)and resistor stud

24 307912ServiceBarrel Removal1. Prepare the gun for service as instructed on page22.2. Carefully loosen the nut from the fluid fitting (10).

307912 25ServiceFluid Packing Removal 1. Prepare the gun for service as instructed on page22.2. Remove the air cap assembly, fluid nozzle and

26 307912ServiceFluid Packing and Needle RepairThe fluid packings and needle can be replaced asindividual parts or as assemblies. The overall

307912 27ServiceFig. 1873537a37b18b18c18a1818d37F05160 Apply a very light coat of lubricant Do not expose to solventsPower Cartridge Rep

28 307912ServiceTurbine Alternator Replacement NOTE: Replace turbine bearings after 2,000 hours ofoperation. See your authorized Graco repres

307912 29ServiceFan Air Adjustment Valve Repair1. Prepare the gun for service as instructed on page22.2. Place a wrench on the flats of the v

307912 3WARNINGFIRE, EXPLOSION, AND ELECTRIC SHOCK HAZARDImproper grounding, poor air ventilation, open flames, or sparks can cause a hazardo

30 307912ServiceFluid Adjustment Assembly Repair1. Prepare the gun for service as instructed on page22.2. Using a 14 mm socket wrench, remove

307912 31ServiceAir Trigger Valve Repair1. Prepare the gun for service as instructed on page22.2. Using a 14 mm socket wrench, remove the flu

32 307912ServiceES ON-OFF Valve Repair1. Prepare the gun for service as instructed on page22.2. Loosen the set screw (24) with the 2 mm hex k

307912 33Notes

34 307912PartsItem 18 includes items 18a to 18fItem 28 includes items 28a to 28hItem 37 includes items 37a and 37bItem 43 includes items 43b

307912 35PartsWARNINGSome PRO 3500sc Gun replacement parts look similar toother PRO Gun parts but are not interchangeable! Whenservicing, do

36 307912AccessoriesUse Only Genuine Graco Parts and AccessoriesAIR LINE ACCESSORIESConductive Air Supply Hose; black100 psi (7 bar, 0.7 MPa)

307912 37AccessoriesUse Only Genuine Graco Parts and AccessoriesFLUID LINE ACCESSORIESFluid Hose Assemblies (Nylon)225 psi (14 bar, 1.4 MPa)

38 307912AccessoriesUse Only Genuine Graco Parts and AccessoriesMISCELLANEOUS ACCESSORIESSnap Ring Pliers 110090For removing the ES ON-OFF Va

307912 39Technical DataCategory DataGun Weight 1.87 lb (0.85 Kg)Gun Length 9.5 in. (240 mm)Maximum WorkingPressure100 psi (7 bar, 0.7 MPa)Air

4 307912WARNINGPRESSURIZED EQUIPMENT HAZARDSpray from the gun, hose leaks, or ruptured components can splash fluid in the eyes or on the skin

40 307912Graco Standard WarrantyGraco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material a

307912 5IntroductionHow the Electrostatic Air Spray Gun WorksThe air hose supplies air to the spray gun. Part of theair operates the turbine

6 307912InstallationKEYA Main Air Supply LineB* Ventilation Fan Interlock Solenoid ValveC* Main Air Supply Shutoff Valve (bleed-type)D Air &a

307912 7InstallationConnect the Air Line (Refer to Fig. 1) WARNINGELECTRIC SHOCK HAZARDTo reduce the risk of an electric shock orother seriou

8 307912InstallationGround the SystemWARNINGFIRE, EXPLOSION, AND ELECTRIC SHOCK HAZARDWhen operating the electrostatic device,any ungrounded

307912 9InstallationCheck the Electrical Grounding (See Fig. 2)WARNINGFIRE, EXPLOSION, AND ELECTRIC SHOCK HAZARDMegohmmeter P/N 241079 (AA-se