Graco XP70 Flush Mixed Material, Flush Mix Manifold, Hose, and Spray Gun

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Flush Mixed Material

Flush Mixed Material

Flush the mix manifold when any of the following situa- tions occur.

•breaks in spraying

•overnight shutdown

•end of potlife

To flush the entire system, see Empty and Flush Entire System (new sprayer or end of job), page 27.

Flush Mix Manifold, Hose, and Spray Gun

If your system doesn’t include a solvent flush pump, see step 2 of Empty and Flush Entire System (new sprayer or end of job), page 27.

Turn off heaters. Allow heater and heated hoses to cool.

Use Optional Solvent Pump

1.Close the main air shutoff valve (CA) to turn off the system. Engage trigger lock. Remove the spray tip and soak in solvent.

CA

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2.Close the dual shutoff handle (AE).

3.Open the solvent pump air valve (DA). Slowly turn the solvent pump air regulator (DB) clockwise to increase air pressure.

DB

DA

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4. Open the solvent flush valve (AD).

AB

AD

5.Disengage the trigger lock and trigger gun into a grounded pail. Use a pail lid with a hole to dispense through. Seal around the hole and gun with a rag to prevent splash back. Be careful to keep fingers away from the front of the gun. Flush out mixed material until clean solvent dispenses.

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6.Close the solvent pump air valve (DA). Trigger the gun to relieve pressure. Close the solvent flush valve (AD) after relieving the pressure.

DA

AD

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7.Follow Pressure Relief Procedure, page 20.

8.Engage the trigger lock. Disassemble and clean the spray tip with solvent by hand. Reinstall on the gun.

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3A0420H

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Contents XP70 Plural-Component Sprayer Contents Related Manuals Manual DescriptionFire and Explosion Hazard Skin Injection Hazard Toxic Fluid or Fumes Hazard Important Two-Component Material Information Machine Left Machine Right Market Equipment Designations Changing MaterialsB Component Designations Over Pressure Protection OverviewUsage Initial System Setup Bare Proportioning Pump Packages ModelsCart-Mounted XP70 Sprayers Component Identification Mounting Components forFluid Control Assembly Main Air ControlsSolvent Flush Pump Kit 262393 optional Included with optional solvent flush pump kit KeyOptional Accessories Fluid Line AccessoriesFlush Before Using Equipment Air LineGrounding SetupLocation Wire Sprayers with Explosion-Proof Heaters Hazardous location sprayers onlyAir Motor Position Position Air MotorConnect Static Mixers, Gun, and Hoses Connect Air SupplyConnect Fluid Hose Bundles Remote Only Pressure Relief Procedure Relieve a and B Fluid PressurePrime Empty Sprayer Prime a and B FluidsPrime Solvent Flush Pump With Heat Recirculate or Re-Prime After a Pump Runs Dry Without Heat Heat FluidSpray Side Mix Manifold Restriction Flush Mix Manifold, Hose, and Spray Gun Follow Pressure Relief Procedure,Flush Mixed Material Use Optional Solvent PumpProcedure GuidelinesShutdown ParkSystem Verification Maintenance Troubleshooting Problem Cause SolutionPump Troubleshooting Remove Displacement Pump Pump AssemblyRemove Pump Assembly RepairRemove Air Motor Replace Air Control AssemblyAir Controls Replace Air Filter ElementAir Control Assembly Air FlowReplace Drain Valve Cartridges Mix Manifold AssemblyFluid Circulation Manifold Repair Hoppers Solvent PumpReplace Service and RepairOptional Fluid Heaters Parts Cart-Mounted XP70 Sprayer49 a 49 B 27, 28 32 27 Common Parts Part Description QtyParts Varying by Model with Hoppers Parts Varying by Model with No HoppersBare Proportioning Pump Package 122 106 105 135 117 108 101 138 139 140571100 571150 571200 571250 571300 571400 Qty Varying PartsRatio Description 202 211 205 209 210 Ref. No. Part No. Description QtyFluid Manifold Part No. Description QtyPump Filter O-rings packs Recommended Spare PartsPump Repair Kits Calculate Pump Air Flow/Consumption Pump Performance ChartsCalculate Fluid Outlet Pressure 11 or 21 Mix Ratio31 Mix Ratio Pump Performance ChartsMix Ratio Psig BarMPa PressureNot Approved For Explosive Atmospheres Accessories and KitsAcceptable For Use in Explosive Atmospheres Technical Data Psi MPa, bar Psi MPa, psi Gpm ltr/minTop VIew DimensionsFloor Mounting Dimensions Top VIew Side VIewBare Proportioner Mounting Hole Dimensions Graco Standard Warranty Graco Information