Only when the guiding screw (6) has been
removed and placed and secured in the
holder (7), is the parking brake ready for
operation.
Activate parking brake:
Pull out red button of the park valve (3b).
Release the parking brake:
Press in red button of the park valve
(3b).
Shunting a tractor without compressed
air supply:
The operating pressure in the braking sys-
tem must be at least 3.5 bar.
Attach the implement to a tractor.
Secure the tractor and the implement to
prevent them from rolling away.
Release the parking brake.
Pull out black button on the manoeuvring
valve (3a).
On completion of the manoeuvring work:
Activate parking brake.