This section describes minimum tests needed, when the VSPP steering valve has been disassembled and
reassembled.
Example of system setup: VSPP steering unit with supply from gear pump.
VSPP in system
Set-up for testing
Use universal hydraulic work bench with pump capacity:
•
3 l/min and 270 bar for shock valve testing
•
25 l/min and up to 190 bar pressure for relief valve setting and steering test
The hydraulic oil must be with a viscosity of 21 cSt. at 50° and with max. degree of contamination
according to ISO 4406: 21 / 19 / 16.
Service Manual
VSPP Steering unit
Testing of VSPP
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©
Danfoss | November 2019
AX319758618681en-000101
