PRODUCT DESCRIPTION
Designated use
The ball coupling is suitable for mounting on draw-
bars or overrun hitches with type approval, and
connects the towing vehicle to the trailer.
CAUTION!
The ball coupling forms part of the draw-
bar installation of the trailer. It is only al-
lowed to be used in the completely as-
sembled system and after having been
tested. It must be used for connecting the
trailer to the towing vehicle. Comply with
the permitted weight ranges and impo-
sed loads.
TECHNICAL DATA
CAUTION!
Only use the ball coupling in conjunction
with tow ball 50 acc. to ECE R55-01.
AK 161
Weight range
up to 1600 kg
Imposed load
Malfunction
Coupling does not engage af-
ter having been placed on the
tow ball
Coupling ball is not securely
attached to the tow ball
ADVICE
If you encounter any malfunctions that are not listed in this table or which you cannot rectify
yourself, please contact our responsible customer service.
ADVICE
Replacement key cannot be ordered!
Have the hitch renewed!
694076_f BA AK 161_270.pdf 7
ø drawbar tube
* Spacers must be fitted if the drawbar tube dia-
meter is smaller.
SAFETY INSTRUCTIONS
AK 270
up to 2700 kg
120 kg
Possible cause
Ball diameter larger than 50 mm
Insufficient imposed load
Interior parts of the ball coupling
contaminated or seized
Ice and snow
Ball coupling worn
Rivet bent
Worn tow ball
AK 161
50 mm*
DANGER!
Danger of accidents due to disconnec-
tion while driving!
Each time after hitching up, check the
ball coupling is securely seated on the
tow ball on the towing vehicle.
CAUTION!
Do not stand on the hand grip.
This might damage components.
CAUTION!
Only experts are allowed to repair or re-
new the ball coupling!
The ball coupling must be lubricated to
prevent scoring to the tow ball and inside the
coupling socket.
Always secure the coupling before use.
Solution
Have the tow ball renewed
Press the ball coupling downwards by hand
Clean and lubricate the ball coupling
Have the ball coupling renewed
Have the tow ball renewed
en
AK 270
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