I have a LUST Frequenz Adjustment Drive (Part No 8A.37U90-3931)
It is installed in a MAN ROLAND printing press I am told that the drive is malfunctioning . . . Are you able to check this over and repair.
If you are I can forward Pics of the part for proper ID of the part.
With thanks,
Phil Delaney
Graphics Plus Printing
Sydney Australia