Etesia HYDRO 124D, Technical Training Manual

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HYDRAULICS
HYDRAULICS HYDRAULICS
HYDRAULICS
Contents
1) General points
2) The H124D equipment circuit.
Introduction
2.1) Power unit
2.1.1) General points
2.1.2) External gear pump (tandem pump)
2.2) Control
2.2.1) Control valves
2.2.2) Pressure limiting devices
2.2.3) Flow limiters
2.2.4) Safety valves (parachute valve)
2.3) Receivers
2.3.1) Rams
2.3.2) Hydraulic steering (ORBITROL)
2.4) Performances
3) The drive transmission circuit
Introduction
3.1) Power unit : Axial-piston pump
3.2) Regulation : The flow divider
3.3) Receiver : Slow internal gear motor
3.4) Performances
4) The auxiliary parts :
4.1) Oils
4.2) Filtering
4.3) Flexible hoses
5) Hydraulic diagrams for the equipment circuit and drive transmission circuit