Hydraulic system overview
The mechanical power from engine converted to hydraulic power.
Machine has two main pumps that are variable displacement piston pump.
And it has 3 fixed gear pumps. P3 is for servo system. P2 is for hydraulic oil cooler fan motor. P1 is for X3.
Travel: straight travel function
Boom-up: 2-pump flow
Boom-down: Regeneration
Boom: Holding function
Arm-in & out: 2-pump flow
Arm: Holding function
Arm-in: Regeneration
Option: 2-pump flow (selectable)
Bucket: 2-pump flow (selectable)
Swing: priority against arm during simultaneous operation
Picture text:
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