Open Center Plug - Danfoss PVG 32 Service Manual

Service Manual
PVG 32 Proportional Valve Group
PVG 32 Component Troubleshooting

Open center plug

Failure mode
Valve operates at system relief
setting at all times
22 | © Danfoss | February 2017
Pressure gauge port
When valve is equipped with the PVPC option use a running tee to measure pressure. Torque tee to hose
adaptor torque specification.
PVPC with check valve
Description: Plug that is installed in the inlet cover for a system with a fixed displacement pump.
Location: In the PVP module (Inlet cover).
Function: Connection for the load sense signal to shift the unloading spool to build main system
pressure and provides a connection to the main system relief valve.
Cause
Open center plug is not seated properly
Pressure gauge port
P107 735E
Tee into pressure port
to measure pressure
P107 734E
Corrective action
Reinstall plug and torque to 4 Nm [35 lbf•in] using a 3 mm internal
hex wrench
11039167 | AX00000031en-US0301
PVPC with check valve