Page 34 - Catalog spare parts BPW for agri technics

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BPW STEERING AXLES.

STEERING TOWARDS COST

REDUCTION.

BPW steering axles GSLA/GSLL are designed both for self-steered and positively steered vehicles.
BPW‘s steering axle GSL is a purely positive steering axle. The advantage of a GSL axle is the reduction
in steering forces. In addition, this axle allows larger steering angles due to its special design.

Version: GSLA/GS(H)LL Version: GSL

Pivot point in axle centre
Castor Steering angle

Steering angle

Self-steering Positive steering
When the trailer follows the tractor in a curve, the wheel Hydraulic activation:
castor ensures the wheels to turn in accordance with the When cornering the tractor, the cylinder installed between
curve radius. the tractor and the trailer is actuated according to the curve
radius. The pressurised oil regulates the movement of the
For speeds higher than 40 km/h, BPW recommends locking steering axle.
the steering axle. The steering axle must be locked while
driving backwards. Electronic activation:
In electronic positive steering systems, the steering axle
is actuated by a potentiometer installed on the drawbar. A
computer activates a hydraulic unit which again actuates
the axle by hydraulic pressure.

For safety reasons, when electronic steering systems are
used, BPW recommends application of steering axles type
GSLL and GSLA.

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