Graco XP70 Mix Manifold Assembly, Fluid Circulation Manifold, Replace Drain Valve Cartridges

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Repair

Mix Manifold Assembly

1.Follow Pressure Relief Procedure, page 20.

2.Disconnect the fluid hose (25) and the flush hose from the mix manifold (36).

3.Loosen the union fittings (306) that connect to the mix manifold adapter fittings.

4.Remove the mix manifold assembly (36).

5.See mix manifold manual for service and repair instructions.

306

36

r_571101_3a0420a_38a

Fluid Circulation Manifold

See FIG. 9.

1.Flush before repairing equipment, if possible. See

Empty and Flush Entire System (new sprayer or end of job), page 27.

2.Follow Pressure Relief Procedure, page 20.

3.Disconnect all fluid hoses from the fluid circulation manifold (35).

4.Remove the mix manifold it is assembled to the fluid circulation manifold. See Mix Manifold Assembly for instructions.

5.Loosen the two screws (37) that secure the manifold (35) to the cart (1).

6.Remove the two screws (37) and fluid circulation manifold (35) from the cart (1).

1

35

37

r_571101_3a0420a_39a

FIG. 9: Fluid Circulation Manifold

Replace Drain Valve Cartridges

1.Flush before repairing equipment, if possible. See

Empty and Flush Entire System (new sprayer or end of job), page 27.

2.Follow Pressure Relief Procedure, page 20.

3.Ensure handle (312) is in the down position. Remove the screws (313), jam nut (304), handles (311), handle rod (312), clips (318), and springs (320).

311

312 313

302

 

 

311

304

 

313

 

302

318

320

 

 

 

 

302

304

 

 

 

 

320

 

 

318

 

 

r_258988_3a0420a_2b

4.Unscrew both cartridge valves from the manifold.

5.Apply blue threadlock to new cartridge valves (302) and install in the manifold. Torque to (28-32 ft-lbs. (38-43 N•m).

6.Place a spring (320) over each valve stem. Place a clip (318) in each valve stem groove to retain springs.

7.Slide on a handle (311) and turn the stem approxi- mately 90° until you feel it fully lock against the valve seat. Repeat for opposite side.

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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 Changing Materials B Component DesignationsMachine Left Machine Right Market Equipment Designations Overview UsageOver Pressure Protection Initial System Setup Models Cart-Mounted XP70 SprayersBare Proportioning Pump Packages Component Identification Mounting Components forFluid Control Assembly Main Air ControlsSolvent Flush Pump Kit 262393 optional Included with optional solvent flush pump kit KeyFluid Line Accessories Flush Before Using EquipmentOptional Accessories Air LineSetup LocationGrounding Wire Sprayers with Explosion-Proof Heaters Hazardous location sprayers onlyAir Motor Position Position Air MotorConnect Air Supply Connect Fluid Hose Bundles Remote OnlyConnect Static Mixers, Gun, and Hoses Pressure Relief Procedure Relieve a and B Fluid PressurePrime Empty Sprayer Prime a and B FluidsPrime Solvent Flush Pump Recirculate or Re-Prime After a Pump Runs Dry Without HeatWith Heat Heat FluidSpray Side Mix Manifold Restriction Follow Pressure Relief Procedure, Flush Mixed MaterialFlush Mix Manifold, Hose, and Spray Gun Use Optional Solvent PumpProcedure GuidelinesShutdown ParkSystem Verification Maintenance Troubleshooting Problem Cause SolutionPump Troubleshooting Pump Assembly Remove Pump AssemblyRemove Displacement Pump RepairReplace Air Control Assembly Air ControlsRemove Air Motor Replace Air Filter ElementAir Control Assembly Air FlowMix Manifold Assembly Fluid Circulation ManifoldReplace Drain Valve Cartridges Repair Hoppers Solvent PumpService and Repair Optional Fluid HeatersReplace 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 140Varying Parts Ratio Description571100 571150 571200 571250 571300 571400 Qty 202 211 205 209 210 Ref. No. Part No. Description QtyFluid Manifold Part No. Description QtyRecommended Spare Parts Pump Repair KitsPump Filter O-rings packs Pump Performance Charts Calculate Fluid Outlet PressureCalculate Pump Air Flow/Consumption 11 or 21 Mix RatioPump Performance Charts Mix Ratio31 Mix Ratio Bar MPaPsig PressureAccessories and Kits Acceptable For Use in Explosive AtmospheresNot Approved For Explosive Atmospheres Technical Data Psi MPa, bar Psi MPa, psi Gpm ltr/minDimensions Floor Mounting Dimensions Top VIewTop VIew Side VIewBare Proportioner Mounting Hole Dimensions Graco Standard Warranty Graco Information