Service Hydraulic End | HP G-04, D-04 guide

D/G-04 Service (Hydraulic End)

14	D04-991-2400 5/1/04

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Contents

Models D-04, G-04 04 Contents 04 Specifications Dry Lift PerformanceNet Positive Suction Head NPSHr 04 Dimensions 04 Models with Metallic Pumping Head Location 04 InstallationImportant Precautions Mounting Inlet Calculations Inlet Piping Suction FeedInlet Piping Pressure Feed Net Positive Suction Head Discharge PipingFriction Losses Hose and Routing Initial Start-Up Procedure Before Initial Start-Up Daily 04 MaintenanceShutdown Procedure During Freezing Temperatures Periodically Ref. No 04 Service Fluid EndBolt Torque Specifications Inspect Valves Tools and SuppliesRemove Manifold 3 and Valve Plate Prime the Hydraulic Cells Inspect and Replace DiaphragmsFlush Contaminant from Hydraulic End Only if a diaphragm has ruptured Reinstall Valve Plate 12 and Manifold 04 Service Hydraulic End Reassemble Pistons Remove Pump HousingDisassemble Pistons Remove and Replace Pistons Replace Shaft Seal Reassemble Housing and Back CoverReinstall Diaphragms Reassemble Pump 04 Troubleshooting Premature Failure of Valve Spring or Retainer Valve WearLoss of Oil Limited Warranty Wanner ENGINEERING, INC