BI620102
Bucyrus Australia
Delta SBD 30MB3 Maintenance Manual
Hydraulic System - CLA The 30MB3 hydraulic systems is fed from the main reservoir contained as an integral part of the main chassis structure. Capacity of the reservoir is 750 litres; capacity of the total system including the main reservoir, full cylinders, hoses, etc is 1000 litres. Hydraulic oil level in the reservoir can be monitored by sight glasses are which are fitted on either side of the mainframe beside traction motors and the tank is equipped with an oil level float switch which shuts off the machine operation in the event that reservoir level goes below a safe limit. Hydraulic power for the miner is provided by two 67 kW water-cooled AC electric motors which drives two (2) Rexroth variable displacement hydraulic pumps. The RH pump delivers oil to the main control valve for hydraulic mining functions. The LH pump delivers oil to the drill rigs and the rib protection system when switched into bolting modes. The pump/ motor assembly are located within the RH and LH crawler frames. The pumps provide 260 Litres/min @ a maximum pressure of 200 BAR.
Main Valve Bank
Manual No. M01344
Page 14 of 23
December 2009
