Danfoss PVG 32 Service Manual

Shuttle valve
P107 804
Exploded view shows internal parts.
Do not disassemble valve.
Ball should move
freely behind disk.
Ball should move
freely behind disk.
LS pressure limiting valve
Description: Optional adjustable pilot relief valve.
Location: PVB (spool body section) module.
Function: Controls the maximum working pressure delivered to each work port.
There is one LS pressure limiting valve for each work port.
Failure mode Cause Corrective action
Section will not build pressure in
one spool direction
Contamination While under pressure back out to minimum pressure and allow oil
to leak by for approx. 5 seconds and then readjust to correct
pressure - Ensure system is clean - Replace PVB
External leaking Low cartridge torque
Torque to 20 Nm [177 lbf•in] maximum
Replace complete assembly
Pressure adjustment backs off Adjust pressure to valve specifications If adjustment doesn’t hold, replace valve
Serviceability: Adjustable and non-serviceable. If adjustment does not solve the problem, replace
complete cartridge.
Valve removal tool P/N: 155L6485. Torque to 20 Nm [177 lbf•in].
LS A, B shuttle
Description: The shuttle valve isolates the LS(A) and LS(B) load sense signal.
Location: Option PVB module with only load sense relief.
Function: Ensure that each pressure limiter valve can create separate pressures for A and B LS signal.
Service Manual
PVG 32 Proportional Valve Group
PVG 32 Component Troubleshooting
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Danfoss | February 2017 11039167 | AX00000031en-US0301 | 27

Danfoss PVG 32 Specifications

General

Brand	Danfoss
Model	PVG 32
Category	Control Unit
Language	English