Operation
Braking system
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6.9 Braking system
The braking system of the machine is executed as a hydraulically activated wet full
disk braking system. For safety reasons, the braking system consists of two indepen-
dent brake circuits:
The operating brake activated by the brake pedal on the driver's cabin floor.
The parking brake, which is activated by the toggle switch.
DANGER
Hazard to life in case of faulty brakes.
– Before each drive, check functioning of the brakes!
– The braking systems must regularly be thoroughly checked!
– Setting and repair work on the brakes may only be performed by trained specialist
personnel.
6.9.1 Operating brake
The operating brake is activated by the left pedal on the driver's cabin floor. It affects
1st and 2nd axles. And it works only if enough pressure has built up in the hydraulic
system. If the operating brake is not sufficiently functional (e.g. too low reservoir pres-
sure), then the following warning icon is displayed on the R-Touch .
DANGER
When a warning icon is displayed on the R-Touch pointing at problems with
the braking system, then there is the severest hazard to life for the driver and
bystanders as well as other road users.
– Operation of the machine must then be immediately terminated.
– The machine must be parked in such a manner that nobody is endangered or dam-
aged.
– Additionally, the machine must be secured against rolling using wheel chocks and
by engaging the parking brake.
– It may only be moved again, after the cause for the brake fault has been repaired
by specialist personnel and the machine has been released for operation by corre-
sponding specialist personnel.
6.9.2 Engine brake
The diesel engine is fitted with a wear-free VCB engine brake. This engine brake can
develop high braking force in connection with the hydrostatic traction drive without
any interference of the mechanical brake. This brake is activated automatically when
releasing the drive pedal and it increases the braking effect of the hydrostatic drive.
The operating brake is required only in exceptional cases.
Red LED (1) lights on the R-Touch when the engine brake is active.
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