81
AL-KO CHASSIS & TYRES
SAFETY COUPLING "WS 3000 D"
Coupling
Place the open ball-head hitch on the ball-
head of the towing vehicle (grease-free). If
pressed simultaneously downwards - usually
the support load is sufficient - the ball-head is
closed automatically and locked securely.
The stabilising device is activated by moving
the operating lever down to the stop, i.e.
opposite to the direction of travel. In doing so
the spring element is tensioned, thus
generating the contact pressure onto the
ball-head of the coupling via the friction
pads. Connect the breakaway cable and
electrical plug to the towing vehicle.
Raise the jockey wheel fully upwards and
secure. Release parking brake before setting
off.
Visual Check - the ball-head should no
longer be visible in the coupled condition.
Noises may occur during driving as a result
of the friction between the friction pads and
the ball hitch. However, these noises do not
have any effect on the function of the trailer
ball hitch.
Uncoupling
Lower the jockey wheel down.
Disconnect breakaway cable and electrical
plug.
Apply the parking brake. Open the ball-head
hitch by swinging the operating lever in the
direction of travel whilst simultaneously
pulling the handle towards the caravan. (see
illustration above).
Ball-head must be free from oil
and lubrication
Safety coupling closed,
stabilising activated
Safety coupling closed,
stabilising not activated
open
Uncoupling position
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