Danfoss PVG 32 Service Manual

Function: Directs the highest load pressure to either OC or CC pump control to satisfy the operating
valve section.
Failure mode Cause Corrective action
No pump pressure developed in
one or more valve sections
LS passages blocked or restricted Disassemble valve. Inspect passages for blockage
Serviceability: Not serviceable. Ensure entire system is clean.
LS circuit
10. Shuttle valve
PVP
PVB
PVB
P107 815E
LS
circuit
Shuttle valve
Description: Self cleaning internal shuttle system.
Location: PVB (valve section) module.
Function: Determines which valve section is developing highest load pressure.
Failure mode Cause Corrective action
Valve sections will not build
pressure (NOTE: Normally it will be
one section, but not all sections)
Worn shuttle disc Replace complete module (seat is pressed into module)
Excessive air entrained in the hydraulic oil Ensure that the oil has enough dwell time in tank, has good anti-
foaming agent, and pump inlet vacuum is within specifications
Serviceability: Not serviceable. Ensure entire system is clean.
Service Manual
PVG 32 Proportional Valve Group
PVG 32 Component Troubleshooting
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©
Danfoss | February 2017 11039167 | AX00000031en-US0301

Danfoss PVG 32 Specifications

General

Brand	Danfoss
Model	PVG 32
Category	Control Unit
Language	English