IEF-Werner offers a wide range of accurate manual adjusters for any kind of linear and rotary positioning task.
The rotary adjuster is equipped with a quick adjustment. For this, loosen the screw that is located at the side of the rotary plate.
In the rotary plate of MDV 55 is a locking screw for the blockade, which you have to
remove to activite the fast adjustment.
The rotary unit is essentially made of stainless steel. The adjustment button is made of black anodised aluminium, the worm bearing of sinter bronze.