Operation
Driving
BA RD40_RD45 en 00
83
drift. If the coefficient of friction between the ground and a drum drops to
the extent that a drum starts slipping, the entire pump oil flow will empty
across the hub motor of the turning drum, thereby substantially reducing
the tractive force of the still-standing hub motor.
The switching on of the four-wheel blocking triggers the automatic
division of the oil flow. Every gear hub motor is now provided with a
separate oil flow, which ensures a constant traction force for each roller
drum without pressure compensation.
The four-wheel blocking can be switched on when driving on difficult
surfaces, as long as both drums are still turning.
If the machine is at a standstill while the drum is still turning, the drive
lever should be placed in the 0 position before the four-wheel blocking is
applied. To drive away, slowly move the drive lever until both roller drums
are being propelled. Once the machine is driving, the four-wheel blocking
can be switched off again.
When the machine is loaded, the all-wheel lock must be
applied before driving onto the loading ramp.
Switching on the all-wheel lock
Step on the foot switch [1].
a
The all-wheel lock is activated.
a
The activated all-wheel lock is shown by indicator light [2] on the
operator control panel.
The all-wheel lock is applied only as long as the switch is
pressed.
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