Graco Inc 224400, 308131, 224200, PRO 4500sc manual Fluid Packing Removal

Page 25

Service

Fluid Packing Removal

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

2.Remove the air cap assembly, fluid nozzle and resistor stud and electrode as instructed on page 23.

3.Loosen the trigger screws (4) far enough to re- move the trigger (13).

4.Remove the needle assembly (28), using the multi-tool (62). See Fig. 16.

CAUTION

Clean all parts in non-conductive solvent compatible with the fluid being used, such as xylol or mineral spirits. Use of conductive solvents can cause the gun to malfunction.

5.Check all the parts for wear or damage and replace if necessary.

62

28

13

4

0382A

Fig. 16

308131 25

Image 25

Contents Part No , Series B Air Spray Gun with two-finger trigger 308131Part No , Series B Air Spray Gun with four-finger trigger Read and Keep for Reference308131 Symbols Table of ContentsFIRE, EXPLOSION, and Electric Shock Hazard Pressurized Equipment Hazard Non-Hazardous Area InstallationHazardous Area KEYVentilate the Spray Booth Installing the SystemConnect the Air Line Refer to Fig Ground the System Connect the Exhaust TubeFIRE, EXPLOSION, Electric Shock Hazard Check the Electrical Grounding See Fig Page Operating Checklist Pressure Relief ProcedureOperation Filter the FluidOperating the Spray Gun Selecting a Fluid Nozzle and Air CapComponent Rupture Hazard Fine Adjustments of the Spray Gun Atomizing Air Valve AdjustmentDaily Care and Cleaning MaintenanceShutdown FIRE, EXPLOSION, and Electric Shock HazardProcedure Clean the Air Cap and Fluid NozzleFlush the Spray Gun Equipment neededSpray Pattern Troubleshooting TroubleshootingProblem Cause Solution Gun Operation Troubleshooting See Check the Electrical Grounding Electrical TroubleshootingElectrical Troubleshooting with SVR Test Gun Resistance See Fig Electrical TestsTest Resistor Stud Resistance See Fig Test Power Supply Resistance See FigPrepare the Gun for Service ServiceAir Cap/Nozzle/Resistor Stud Replacement Electrode Needle Replacement Barrel Removal Fluid Packing Removal Fluid Packing Rod Repair Power Supply Adjustment Power Supply Removal and ReplacementBarrel Installation Turbine Alternator Removal ReplacementDetail Fan Air Adjustment Valve Repair45c 45a 45b 45d 41 45e Fluid Adjustment Assembly RepairAir Trigger Valve Repair Atomizing Air Valve Removal and ReplacementMoving Parts Hazard ES ON-OFF Valve Repair308131 Detail a PartsElectrostatic Air Spray Gun, with four-finger trigger Part No , Series BConductive Air Supply Hose black AccessoriesExtended Air Fitting Air Shutoff ValveSafety Warning Signs Grounding Clamp and WireFluid Hose Assemblies Nylon MegohmmeterGun System GUN SystemsManual Change Summary Technical DataCategory Data FCC ID JHI1Graco Phone Number Graco Standard WarrantyToll Free