HP GRACO OR PRO TI1681A manual Atomizing Air Restrictor Valve Removal and Replacement

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Atomizing Air Restrictor Valve Removal and Replacement

1.Prepare the gun for service, page 41.

2.Remove the atomizing air restrictor valve (23). Inspect the o-ring (23c*). Replace if necessary. See FIG. 34..

3.Install a new atomizing air restrictor valve (23), or disassemble and replace parts individually. The valve protrusion must be oriented to clear the air valve (21) shaft.

If the atomizing air restrictor valve is not desired, install the supplied plug (47).

4.Torque the valve housing (23a) to 15-20 in-lb (1.7-2.3 N•m).

Repair

2.Loosen the screw (48). Remove the valve.

3.Lubricate the o-rings (22a* and 22b*) with non-sili- cone grease, Part No. 111265. Do not over-lubri- cate.

CAUTION

Do not over-lubricate parts. Excessive lubricant on the o-rings can be pushed into the gun air passage and blemish the finish on the workpiece.

4.Clean and inspect parts for damage. Replace if nec- essary.

The protrusion on the retainer plate (22d) must point upward.

5.Reinstall the valve. Torque the screw (48) to 15-25 in-lb (1.7-2.8 N•m).

22d

22f

22g

23c*

47

22e

22b*

23a

 

22c

23d

22a*

23b

 

48

TI1488A

TI1686A

Fig. 34. Atomizing Air Restrictor Valve

Fig. 35. ES ON/OFF Valve

ES ON/OFF Valve Repair

1. Prepare the gun for service, page 41.

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Contents Instructions/Parts List Table of Contents Gun Model Description List of ModelsFM Approved EN 50059 CompliantElectric Shock Hazard SymbolsToxic Fluid Hazard Fire and Explosion HazardPressurized Equipment Hazard Equipment Misuse HazardIntroduction How the Electrostatic Air Spray Gun WorksSpraying Waterborne Fluids Electrostatically Gun Overview Gun OverviewFire, Explosion, and Electric Shock Hazard InstallationInstall the System System RequirementsTypical Installation PRO Xs Waterborne System Key Connect the Waterborne Fluid Hose Ventilate the Spray BoothConnect the Air Line Ground the CabinetUnshielded Hose Shielded HoseUnshielded fluid connection Waterborne Hose Dimensions At Graco WB100 EnclosureAgitator Kit Agitator KitFluid Regulator Kit Fluid Regulator KitSelect a Fluid Nozzle and Air Cap Fluid NozzlesAir Caps Grounding Check Gun Grounding Check Electrical GroundingOperation Operating ChecklistTurn off the main air supply valve B Adjust the Spray Pattern Fill the Fluid SupplyFire and Explosion Hazard Fully open the fluid adjustment valve Air Hose Length Air Regulator Setting Ft m Psi MPa, bar Air Regulator SettingsWhen you finish spraying, perform the Shutdown procedure on Low Voltage Adjustment Smart Guns Only Low Voltage AdjustmentShutdown Flush the Spray Gun MaintenanceDo not immerse the gun in fluid Daily Care and CleaningMaintenance Equipment Needed Clean the Air Cap and Fluid NozzleProcedure Grease Door Latch ThreadsTest Gun Resistance Electrical TestsTest Power Supply Resistance Test Power Supply ResistanceElectrode Test Electrode ResistanceTest Cylinder Resistance Test Ground Strip ResistanceWaterborne Fluid Hose TroubleshootingVoltage Loss Troubleshooting Spray GunTests Visual CheckTroubleshooting Spray Pattern Troubleshooting Gun Operation Troubleshooting Electrical Troubleshooting Lowing the Fluid Voltage Discharge Grounding ProcedureSee Test Gun Resistance on 18 and Test Gun Resistance See Check Electrical Grounding onRepair Prepare the Gun for ServiceAir Cap/Nozzle Replacement Electrode Replacement Electrode ReplacementFluid Packing Removal Fluid Packing RemovalPacking Rod Packing Rod RepairBarrel Removal Barrel InstallationPower Supply Power Supply Removal and ReplacementTurbine Alternator Removal and Replacement Fan Air Adjustment Valve Fan Air Adjustment Valve RepairAir Valve Repair Fluid Adjustment Valve RepairES ON/OFF Valve Repair Atomizing Air Restrictor Valve Removal and ReplacementParts TI1481a Description Qty Description Qty 51 Ref 19a TI1488A Description Qty SWITCH, ES HI/LO 271 253 276 228 262 NUT Bulkhead Connector 1/4 Code Length Description In. mm Tubing and Wiring ChartTubing and Wiring Diagrams Detail of Door Interlock SwitchDetail of Control Box Accessories Air Line AccessoriesFluid Line Accessories Miscellaneous Accessories Gun Accessories402 407 401 406 403 408 404 406 Ref Part No Agitator Accessory Kit items506 507 502 505 503 Part No Fluid Regulator Accessory Kit itemsTechnical Data CategoryData Graco Standard Warranty Graco InformationToll Free