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OPERATION
Hydraulic Control System
There are two control patterns of levers (1 and 2) available:
"EURO" control pattern and
"KMG" (Komatsu Mining Germany) control pattern
Your Shovel is equipped with the EURO control pattern for levers
(1 and 2).
For more information → See "WORKING WITH THE
ATTACHMENT" on page 189.
Wrong operation of the controls can cause mechanical
break-down, property damage, injury or death.
Observe the Safety Instructions.
Before starting the engine / motor, make sure you know
the location and function of each control.
Always sit in the Operator's seat when operating this
machine.
Safety Circuit for Controls
(Pilot control system cut-out and actuation of hydraulic swing
parking brake)
This system is controlled through the lock lever at the operator's
seat, the hydraulic access ladder and the service arm of the cen-
tral refilling system. It prevents movements of the Shovel and its
attachment as long as the lock lever is in the upper locked posi-
tion and/or the access ladder is in the lowered position or when
the service arm of the central refilling system is in its lowered
position.
Automatic Float Position for Boom and Stick
The Shovel operates automatically with the float position for
boom and stick activated.
That means the lowering movement of boom and stick is always
done in the float position. To deactivate the float position, press
both buttons (3 and 4) and keep depressed as long as the float
position shall be deactivated. When releasing the buttons the float
position is activated again.
WARNING
3.3 OPERATOR'S CAB - CONTROLS
77
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