20425668
5-2005/Rev 0
iii
8 High Pressure Water System ..........................................................................8-1
8.1 Overview...............................................................................................8-1
8.2 Optional System Components...............................................................8-1
8.3 Operation...............................................................................................8-1
High Pressure Dump Valve ..................................................................8-3
Redundant Models................................................................................8-3
8.4 System Components..............................................................................8-4
8.5 Service and Maintenance Overview .....................................................8-6
Torque Specifications ...........................................................................8-7
Specialized Maintenance Tools ............................................................8-9
8.6 High and Low Pressure Water Piping...................................................8-10
8.7 High Pressure Cylinder Assembly........................................................8-10
High Pressure Cylinder Assembly Removal.........................................8-11
High Pressure Cylinder Assembly Installation.....................................8-12
High Pressure Cylinder Maintenance ...................................................8-13
8.8 Hard Seal End Caps..............................................................................8-14
Hard Seal End Cap Removal ................................................................8-14
Hard Seal End Cap Installation.............................................................8-15
8.9 Sealing Head.........................................................................................8-16
High Pressure Discharge Check Valve.................................................8-17
Low Pressure Inlet Check Valve...........................................................8-18
Sealing Head Maintenance ...................................................................8-19
8.10 High Pressure Seal Assembly...............................................................8-20
8.11 Hydraulic Cartridge Seal and Plunger Removal...................................8-22
Plunger Maintenance ............................................................................8-24
Plunger Installation...............................................................................8-25
Hydraulic Cartridge Seal.......................................................................8-25
8.12 Hydraulic Piston....................................................................................8-27
Hydraulic Piston Removal....................................................................8-27
Bearing Rings and Seal Assembly........................................................8-29
Plunger Button Sockets, Seals and Retainer Pins.................................8-30
Internal Check Valves...........................................................................8-30
Hydraulic Piston Installation.................................................................8-31
8.13 Hydraulic Cylinder Maintenance..........................................................8-32
8.14 High Pressure Attenuator......................................................................8-32
8.15 Optional High Pressure Dump Valve ...................................................8-33
Pneumatic Control Valve......................................................................8-34
Pneumatic Actuator...............................................................................8-37
8.16 Weep Holes...........................................................................................8-38
9 Troubleshooting ...............................................................................................9-1
9.1 Overview...............................................................................................9-1
9.2 Troubleshooting Guide .........................................................................9-2
10 Specifications....................................................................................................10-1
10.1 Overview...............................................................................................10-1
10.2 Installation Specifications.....................................................................10-1
Environment..........................................................................................10-1
Equipment Dimensions and Weights....................................................10-2
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