Stiga Park Series Workshop Manual page 57

Edition Manual
2014-09-20 Workshop Manual, GGP Park 4 Hydraulic system
Steering wheel actuated
Operation state:
• Motor is running in full speed.
• The steering wheel is actuated.
• The implement lifter is not activated.
The loading pump (1) is forcing oil through the steering converter (5), and the open valve
(9).
The oil flow is indicated with arrows in the figure below. Since the steering converter (5) is
working, a pressure drop will be built up over it.
The pressure drop =
the pressure in the red line - the pressure after the steering converter (5)
The pressure drop is depending on the steering power needed and is limited of the built in
valve (3).
Chapter Page
14