BI006893
BI006893
1-19 Introduction Section MD6640 Blasthole Drill
HYDRAULIC SYSTEM Hydraulic pressure for operation of this machine is provided by four separate pumps. These pumps are driven by the electric motor located in main machinery house, forward of the hydraulic filters and reservoir. The machine has 2 separate, though not completely independent hydraulic systems, the OPEN and CLOSED circuits. Both draw fluid from a common reservoir.