Flush Mixed Material, Use Optional Solvent Pump | Graco 3A0420T

Flush Mixed Material

Flush Mixed Material

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

•breaks in spraying

•overnight shutdown

•mixed material in system approaching end of potlife

To flush the entire system, see Empty and Flush Entire System (new system or end of job), page 29.

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 sys- tem or end of job), page 29.

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. Continue flushing 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 22.

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

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Graco 3A0420T Flush Mixed Material, Flush Mix Manifold, Hose, and Spray Gun, Use Optional Solvent Pump

Contents

XP Proportioners Contents Related Manuals Fire and Explosion Hazard Skin Injection Hazard Toxic Fluid or Fumes Hazard Important Two-Component Material Information B Component Designations Changing MaterialsEquipment Designations Usage OverviewOver Pressure Protection Initial System Setup Models Cart-Mounted Systems Pump Volume Max Fluid Max Air Mix Gallon Bare Proportioning Pump Packages Building systems with bare proportioning pumpPackages Over Pressure Protection must be used, see Component Identification Mounting Components for Fluid Control Assembly Main Air Controls Pump Key Solvent Flush Pump Kit 262393 optionalAir Controls Fluid Line Accessories Flush Before Using EquipmentOptional Accessories Air Line Location SetupGrounding Wire Systems with Explosion-Proof Heaters Hazardous location systems only Check Motor Position Motor PositionChange Motor Position Connect Fluid Hose Bundles Remote Mix Manifold Only Connect Air SupplyConnect Static Mixers, Gun, and Hoses Pressure Relief Procedure Relieve a and B Fluid Pressure Prime Empty System Prime a and B Fluids Prime Solvent Flush Pump Heat Fluid Follow Prime Empty System, Spray To Adjust the Restrictor Side Mix Manifold Restriction Follow Pressure Relief Procedure, Flush Mixed MaterialFlush Mix Manifold, Hose, and Spray Gun Use Optional Solvent Pump Procedure Guidelines Shutdown Park System Verification Maintenance Troubleshooting Problem Cause Solution Pump Troubleshooting Hardener Pump FallingTrouble Area Resin Pump Leakage Resin Pump Pump Assembly Remove Pump AssemblyRemove Displacement Pump Repair Replace Air Control Assembly Remove MotorReplace Air Filter Element Replace System Air Regulator Air Control Assembly Air Flow Fluid Circulation Manifold with Over Pressure Relief Valves Mix Manifold AssemblyReplace Over Pressure Relief Valves Fluid Circulation Manifold Replacement Guide CirculationTarget Opening Manifold Valve Pressure Color Psi MPa, bar Use with Hoppers Optional Solvent Pump Optional Fluid Heaters Service and RepairReplace Parts Cart-Mounted System Standard Mix Manifold Models Quickset Mix Manifold Models Parts Common to All Systems Description Qty Washer Parts Varying By Model XP35 Systems Ref Part Description Coupling 283101 283102 283201 283202 283301 283302 283401 283402 Parts Varying By Model XP70 Systems Part Description Bare Proportioning Pump Package Model 571100 shown Parts Common to All Pump Packages Parts Varying by Pump Package Air Controls Qty Ref. No. Part No. Description Assembly 262784 XP35 262783 XP50 262806 XP70 Fluid Circulation Manifold with Over Pressure Relief ValvePart Description Qty Ref Manifold to also fit Series a XP Proportioners with Recommended Spare Parts Pump Repair KitsPump Filter O-rings packs Recirculation/Overpressure valve see Accessories and Kits Acceptable For Use in Explosive Atmospheres Not Approved For Explosive Atmospheres Technical Data Top View DimensionsSide View Floor Mounting Dimensions, Top View Bare Proportioner Mounting Hole Dimensions Wall Mount Bracket 262812 Dimensions Floor Stand 24M281 Dimensions Hydraulic Unit Dimensions Dimensions 3A0420T Graco Standard Warranty Graco Information