Approvals and certificates
70 - 131
Operating manual, Dumper – 3012 PLUS
Status 28 April 2015
Bergmann Maschinenbau GmbH & Co. KG
6.3. Steering system
Type of steering: Centre pivot steering
Drive: Hydraulic power steering with "Orbitrol" valve, acting on a double-
acting working cylinder.
Oil supply from working hydraulics through valve
Steering lock 33° on either side
Outside turn radius approx. 5033 mm
Inside turn radius approx. 2892 mm
Emergency steering in the event of failure of the diesel engine
Blocking mechanism Mechanical lock
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