Graco Inc 308131, 224400, 224200, PRO 4500sc manual Barrel Removal

Page 24

Service

Barrel Removal

1.Prepare the gun for service as instructed on page 22.

2.Carefully loosen the nut (14) from the bracket/fluid fitting (16). Pull the tube (12) out of the fitting. Make sure both ferrules and the nut stay with the tube. See Fig. 14.

3.Using the wrench (63) supplied, loosen the three socket head cap screws (5).

4.Hold the gun handle (7) with one hand and pull the barrel (3) straight away from the handle to remove it. See Fig. 15.

CAUTION

To avoid damaging the power supply (18), pull the gun barrel straight away from the gun handle. If necessary, gently move the gun barrel from side to side to free it from the gun handle.

18

7

Fig. 15

3

0380

14

16

12

63

5

Fig. 14

0379

24 308131

Image 24
Contents 308131 Part No , Series B Air Spray Gun with two-finger triggerPart No , Series B Air Spray Gun with four-finger trigger Read and Keep for Reference308131 Table of Contents SymbolsFIRE, EXPLOSION, and Electric Shock Hazard Pressurized Equipment Hazard Installation Non-Hazardous AreaHazardous Area KEYInstalling the System Ventilate the Spray BoothConnect the Air Line Refer to Fig Connect the Exhaust Tube Ground the SystemFIRE, EXPLOSION, Electric Shock Hazard Check the Electrical Grounding See Fig Page Pressure Relief Procedure Operating ChecklistOperation Filter the FluidSelecting a Fluid Nozzle and Air Cap Operating the Spray GunComponent Rupture Hazard Atomizing Air Valve Adjustment Fine Adjustments of the Spray GunMaintenance Daily Care and CleaningShutdown FIRE, EXPLOSION, and Electric Shock HazardClean the Air Cap and Fluid Nozzle ProcedureFlush the Spray Gun Equipment neededTroubleshooting Spray Pattern TroubleshootingProblem Cause Solution Gun Operation Troubleshooting Electrical Troubleshooting See Check the Electrical GroundingElectrical Troubleshooting with SVR Electrical Tests Test Gun Resistance See FigTest Power Supply Resistance See Fig Test Resistor Stud Resistance See FigService Prepare the Gun for ServiceAir Cap/Nozzle/Resistor Stud Replacement Electrode Needle Replacement Barrel Removal Fluid Packing Removal Fluid Packing Rod Repair Power Supply Removal and Replacement Power Supply AdjustmentTurbine Alternator Removal Replacement Barrel InstallationFan Air Adjustment Valve Repair DetailFluid Adjustment Assembly Repair 45c 45a  45b  45d  41 45eAtomizing Air Valve Removal and Replacement Air Trigger Valve RepairES ON-OFF Valve Repair Moving Parts Hazard308131 Parts Detail aPart No , Series B Electrostatic Air Spray Gun, with four-finger triggerAccessories Conductive Air Supply Hose blackExtended Air Fitting Air Shutoff ValveGrounding Clamp and Wire Safety Warning SignsFluid Hose Assemblies Nylon MegohmmeterGUN Systems Gun SystemTechnical Data Manual Change SummaryCategory Data FCC ID JHI1Graco Standard Warranty Graco Phone NumberToll Free