Berger & Schroter ProfiTech 20121 Assembly And Operating Instructions Manual page 25

3. Place the quick release lever
coupling on the tow coupling.
4. Press the lever down until it locks
into place.
Adjusting to the tow coupling
The quick release lever coupler
is suitable for steel tow coup-
lings, not for aluminium tow
couplings.
5. The quick release lever coupler
should fit tightly now and cannot be
able to move freely to the right/left or
up/down.
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