Volvo Wheel Loaders Ab

Sven-&angst;ke Carlsson

Bo Vigholm

A brake arrangement for a machine that includes a locking element adapted to engage with an output shaft from a gearbox. The gearbox comprising at least two gearwheels utilized to obtain different gears. A gear clutch is provided for each gearwheel and is adapted to engage and disengage a respective gearwheel depending on the operating conditions of the machine. A control unit is arranged to control the gear clutches so that the gear clutches simultaneously engage at least two of the gearwheels thus to braking the output shaft. The control unit is adapted to control the locking element so that the locking element engages with the output shaft when the output shaft is at a standstill thereby causing the output shaft to be prevented from rotating when the locking element engages with the output shaft.

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Eskilstuna, Sweden

Sven-&angst;ke Carlsson