Operation; Wear Display - AL-KO PROFI AK 301 Instrucciones De Servicio

GB

Operation

The camera symbol refers to illustrations, page 3.
Safety Information
Danger!
Risk of accident if the ball coupling becomes deta-
ched during the drive! After each coupling, make
sure the ball coupling is fi rmly seated in the ball on
the towing vehicle!
Adhere to swivel range from vertical ± 25° and ho-

rizontal ± 20°!
The coupling ball should be greased (to prevent ball

and casing from being scratched).
Activating the coupling mechanism
1. Press the detent pawl (
2. Lift the handle ( 4 -2) .
The ball coupling is open.
Coupling
1. Place ball coupling
The ball coupling engages automatically when there
is a suffi cient drawbar load. If drawbar load is insuff
icient, press the ball coupling downwards manually
until it engages (e.g. tandem trailer).
2. Check the ball coupling for fi rm seating.
The detent pawl (
.
The coupling is seated correctly on the ball if the
green cylinder of the safety indicator (
visible.
Uncoupling
1. Press the detent pawl (
2. Lift the handle ( 4 -2).
3. Lift ball coupling off the tow ball on the towing ve-
hicle.
The coupling handle stays in the „open position".
10
4 -1) .
on the tow
5 -1) must be lowered
5 -2) is
4 -1).

Wear display

The wear display on the coupling handle shows:
the wear limit on the coupling ball of the towing ve-

hicle
the wear limit of the ball coupling

Danger!
The ball coupling can be become detached when
the red range is shown.
Have the ball coupling and tow bar checked imme-
diately. Replace the worn partimmediately!
Wear test
(
1. Couple the trailer on the towing vehicle.
 Marking shows the green range (+)
ball coupling in its new status

 the wear on the towing vehicle tow ball is in
the permitted range
 Marking shows the red range (-)
ball.
Tow ball on the lowest wear limit Ø49 or less

(ball coupling without wear)
Ball coupluing as delivered Ø50 (ball coupling

shows increased wear)
ball coupling and tow ball show wear

Ball coupling damaged

The marking is not within the coloured range

 Ball coupling not coupled
AL-KO Service
For repairs, we offer our customers a comprehensive net-
work of AL-KO service stations throughout Europe.
A list of service stations can be obtained directly from us;
the order number is 371912
AL-KO ball coupling
6, page 3)
Translation of original user instructions