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Danfoss PVG 32 Service Manual

Also see for PVG 32: Technical informationService and parts manualService manualInstallation guideInstallation guide

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Contents
  1. Table Of Contents
  2. February
  3. Danfoss | February
  4. PVG 32 group with open center PVP (PVB with flow control spool)
  5. PVG 32 sectional drawing
  6. Friction detent
  7. PVBS, main spools for flow control (standard)
  8. PVPX Electrical LS unloading valve
  9. Overview
  10. No cylinder/motor response in either direction when remote controller is actuated
  11. Cylinder/motor responds in one direction only
  12. Cylinder/motor operates without remote controller being operated
  13. Hydraulic oil supply
  14. Hydraulic (remote) pilot control pressure
  15. Pressure relief valve
  16. Pressure gauge connection
  17. Open center plug
  18. Closed center plug and orifice
  19. Pressure adjustment spool
  20. LS connection
  21. Shuttle valve
  22. LS pressure limiting valve
  23. Main spool
  24. Shock and anti-cavitation valve PVLP
  25. Pressure compensator
  26. Load drop check valve
  27. Maximum oil flow adjustment screws for ports A and B
  28. PVM module
  29. PVS module
  30. PVPVM module
  31. PVAS module
  32. PVPX LS unloading valve
  33. PVEM, PVEA, PVEH, PVES electrical actuators
  34. PVEO ON/OFF electrical actuator
  35. PVPC plug for external pilot control
Danfoss PVG 32 Service Manual Manual pdf 24 page image
Closed center plugP107 737EClosed centerplugPlugO-ringSealOrifice6 mm35 Nm [308 lbf•in]4 mm8 Nm[70 lbf•in] 2.5 mm4 Nm[35 lbf•in]Pressure adjustment spoolDescription: Main pump flow unloading spool.Location: PVP (inlet) module.Function: For open center systems it is the main relief and unloading spoolFor closed center systems it is the main relief spool.Failure mode Cause Corrective actionIn open center systems the valvesections are unstableHigh wear allows leakage to tank Replace compete moduleThe adjusted pressure will notremain static in a closed centersystemLow viscosity oil allowing high leakagearound spool to tank.Remove and clean orifice. ReinstallHigh wear Replace compete moduleServiceability: Spool is not serviceable. Replace complete module.Pressure adjustment spoolP107739EPressure adjustment spoolOrificePlugService ManualPVG 32 Proportional Valve GroupPVG 32 Component Troubleshooting24 | © Danfoss | February 2017 11039167 | AX00000031en-US0301
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PVG 32
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