Graco 312794E important safety instructions Repair, Disconnect the Displacement Pump

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Repair

Repair

6. Lower the coupling nut (9) enough to remove the coupling collars (10), and then remove the coupling nut (9).

General Information

Reference numbers and letters in parentheses in the text refer to the callouts in the figures and the parts drawing.

Always use Genuine Graco Parts and Accessories, available from your Graco distributor. If you supply your own accessories, be sure they are adequately sized and pressure rated for your system.

Disconnect the Displacement Pump

1.Stop the pump in the middle of the stroke.

2.Flush the pump, if possible. (See page 13). Relieve the pressure. (See page 11).

3.Disconnect the air and fluid hoses and the ground wire (13).

4.Remove the tie rod shield (11).

5.Hold the flats of the air motor piston rod with a wrench. Use another wrench to loosen the coupling nut (9).

ti12815a

9

10

ti12812a

ti12813a

7.Pull up on TSL reservoir (7) to remove.

8.Use a hammer and brass rod to loosen the jam nut (4). Unscrew the jam nut as far as possible.

9.Unscrew the displace- ment pump by hand and place on work

bench.

ti12816a

 

Threads are very sharp. Use a rag to protect hands when hand turning or carrying the pump.

312794E

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Contents Ll 2 G Merkur Pump AssemblyContents Pump Part Number Matrix Wet cup RatioData Monitoring/Exhaust Pump Models Fire and Explosion Hazard Manual Description Related ManualsComponent Identification Key Component IdentificationGrounding InstallationGeneral Information Prepare the Operator Prepare the SiteAccessories Mount the PumpAir and Fluid Hoses G15 Spray Gun Shown with Supply Hose Typical InstallationWet Cup Pressure Relief ProcedureFlush Before Using Equipment OperationShutdown and Care of the Pump Prime and Adjust the PumpTighten Threaded Connections MaintenancePreventive Maintenance Schedule Follow Pressure Relief Procedure,Problem Cause Solution TroubleshootingRepair Disconnect the Displacement PumpReconnect the Displacement Pump Displacement Pump Torque LW025ALW050A-LW150A All Other Sizes Disconnect the Air MotorReconnect the Air Motor Motor TorquePump Parts Parts That Vary by Model QtyDescription Repair Kits For displacement pump repair kits, see manualPerformance Charts Model W10xxxModel W15Axx Model W15Bxx Model W15FxxFlow Model W23xxx Model W18xxxModel W28xxx Model W24xxxModel W30Axx Model W30CxxBar Model W45xxx Model W36xxxRatio, 75 cc/cycle Model W48xxxPump Model Weight Pump DimensionsTechnical Data Wall Bracket Mounting DimensionsGraco Information Graco Standard Warranty