With those in the identical model "Abus 468919 2603 W," by Ralf S. described way: Quote: If you throw away the plastic cap and purchases a self-locking M5 metal nut, and one or two M6 washers, the lower like may also be made of plastic, which normally works fine. Please do not use M5 discs, because then too few threads on the axis remain to achieve the plastic securing part of the mother. In addition, you can save the design in an inconspicuous place on the door at least one of the pre-drilled holes with a small wood screw.
The washers and nuts might cost 50 cents so what. Is this door closers ideal for my purposes, namely the door firmly to lean after my cats have it opened again. The last winter it has always been "thanks" my little cat very draughty in the house, but with the door closer, this is over. Really "Close" he should not at all, because the cats still to come in.