Open the bottom of the clock
Foto 2 The 8 screws that hold the subframe for the main board
Next remove the two screws that hold the V-shape over the lever and remove this V-shape and the spring.
Unscrew the 8 screws that hold the sub-frame to the housing of the clock. (the ones in the red circles in the
picture)
Foto 3 Exploded view of a DGT 2010