Operation
Safety Equipment
49 9821/6100-4 49
Safety Equipment
General
WARNING The slew lock must be engaged when travelling on road or trailer, otherwise the boom could
slew to one side and cause injury or death.
The requirement for controls isolation varies according to local legislation. You must comply with local legislation
at all times. The controls lock is designed to isolate the control(s) in the neutral position.
You must isolate the controls before you travel on public roads.
Slew Lock
The slew lock is in the seat bulkhead.
Lift and move the slew lock to the required position.
Make sure the slew lock is unlocked before you operate the excavator controls.
Figure 35.
A Unlocked B Locked
Control Lock
WARNING Isolate the controls when not in use and when there are persons in the danger zone, to avoid
accidentally operating the controls and causing a dangerous movement of the machine. Before adjusting
the cab environment, e.g. opening the windows or adjusting the seat, you must always isolate the controls.
WARNING When the machine is installed with a hand held hydraulic tool circuit and the operator is out
of the seat with the left hand console lowered and the control isolation switch activated, then track, dozer,
swing and auxiliary controls are active.
WARNING The dozer and swing are operational under gravity when the ignition is off. Do not operate the
swing pedal and dozer lever when the ignition is off.
When the handle and the left hand console are in the raised position the excavator, track, dozer, swing, and
auxiliary controls cannot be operated. Lowering the handle to the normal position and then pressing the controls
isolation switch (if fitted) connect the excavator, track, dozer, swing, and auxiliary controls and allows the normal
operation of the levers.
The handle and the left hand console must be in the raised position before the engine can be started.
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