HP D-04, G-04 manual Reinstall Valve Plate 12 and Manifold

Page 13

D/G-04 Service (Fluid End)

6.Reinstall Valve Plate (12) and Manifold (3)

a.Reinstall the valve plate (12), with the valve assemblies installed as outlined above, onto the diaphragm plate (18) and alignment pins (29).

Tighten the two socket-head capscrews evenly and snugly to compress the outer diaphragm beads and hold the valve plate in place.

b.Reinstall the O-rings (4) on the front side of the valve plate. Use petroleum jelly or lubricating gel to hold them in place.

c.Reinstall the manifold onto the valve plate.

d.Insert all capscrews (1), with washers (2), around the edge of the manifold, and alternately tighten opposite bolts until all are secure. Torque to 50 ft-lbs (70 N-m).

e.Recheck all bolts for tightness and proper torque.

13	D04-991-2400 5/1/04

Image 13

Contents Models D-04, G-04 04 Specifications 04 ContentsNet Positive Suction Head NPSHr PerformanceDry Lift 04 Models with Metallic Pumping Head 04 DimensionsImportant Precautions 04 InstallationLocation MountingInlet Piping Pressure Feed Inlet Piping Suction FeedInlet Calculations Friction Losses Discharge PipingNet Positive Suction Head Hose and RoutingBefore Initial Start-Up Initial Start-Up ProcedureShutdown Procedure During Freezing Temperatures 04 MaintenanceDaily PeriodicallyBolt Torque Specifications 04 Service Fluid EndRef. No Remove Manifold 3 and Valve Plate Tools and SuppliesInspect Valves Flush Contaminant from Hydraulic End Inspect and Replace DiaphragmsPrime the Hydraulic Cells Only if a diaphragm has rupturedReinstall Valve Plate 12 and Manifold 04 Service Hydraulic End Disassemble Pistons Remove Pump HousingReassemble Pistons Remove and Replace PistonsReinstall Diaphragms Reassemble Housing and Back CoverReplace Shaft Seal Reassemble Pump04 Troubleshooting Loss of Oil Valve WearPremature Failure of Valve Spring or Retainer Limited Warranty Wanner ENGINEERING, INC