B95W
Technical data
09_Technische Daten_en.fm - V1.0 - 1.8.17
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9.2.8 Hydraulics
Hydraulics
Hydraulic circuit 1 Work functions: Boom, dipperstick, bucket, intermediate
boom, rock breaker/auxiliary fitting
Axial piston variable capacity pump with flow adjustment
and pressure cut-off
Flanged onto the flywheel side on throughdrive of variable
displacement pump
Flow rate: max. 142 l/min
Pressure: max. 280 bar
Hydraulic circuit 2 Work functions: Slewing, all positioning functions,
2. auxiliary circuit, 3. Auxiliary circuit (option)
Pump components 2 and 3 of the triple gear pump flange-
mounted to the power take-off
Flow rate: max. 2x40 l/min
Pressure: max. 250 bar
Steering, brake and
fan control
Pump component 1 of the triple gear pump
Flow rate: max. 40 l/min
Pressure: max. 260 bar
Servo control Pressure tapping point on variable displacement pump of
travel drive
Max. pressure circa 35 bar
Actuation Hydraulic pilot-operated excavator valves for all functions
Hydraulic cylinder Double-acting work cylinder, partially with end-position
damping
Swivel drive Hydrostatic with reduction gear and drive pinion on
internally toothed ring gear of swing bearing
Swivel range 360° unlimited
Swing speed: 0/-10 rev/min
Hydraulic oil filter Suction strainer located in tank for hydraulic circuit “travel”
Return filter in tank for the work system.
Hydraulic oil cooler Thermostatically controlled
Operating range: 50-45 °C
Knickmatik Bend mechanism for the lateral parallel adjustment of the
boom axle at total digging depth to the right and left
Lateral adjustment to the right:
960 mm
Lateral adjustment to the left:
900 mm
Priority valve Priority supply of hydraulic oil to steering
Steering
B95W, B95W S
Fully-hydraulic, proportionally jointed front axle, via
steering control device and a steering cylinder integrated in
the axle
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