D 4.6 35
D_4.6_01_GB.fm 35-38
3 Emergency device/steering, drive system
In case of a male function in the electronic drive system it is possible to override the
system by an emergency device. This emergency device is included in the tool set of
every crawler machine.
To install the emergency device all plugs of the drive pump servo valves have to be
replaced by the plugs of the emergency device. (short screw driver is necessary.)
The cable shoe is connected to power supply of 24 Volts and the cable eye is con-
nected to ground.
The plug of the hydraulic brake valve is replaced by the corresponding plug of the
emergency device.
Voltage supply can be provided through a 24V connection plug.
The steering unit has to be mounted onto the operator desk.
To connect the plugs follow to the wiring diagram on the following page.
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