Deckel warned for flushing parts of Compur shutters coated with low-friction lacquer. So the general advice of flushing all mechanical parts of those shutters should be taken with caution. Furhermore any effective flushing would likely harm the oil and grease installed in those shutters and would make necessary a re-lubrication.

Whether this lacquer and lubrication issue applies on that self-release section has to be looked up in the repair manual.