Hi
One thing I’d like to mention is that, if you’re cleaning the wormgear be very carefull with solvents like contact cleaner, thinner or acetone, the black coating of the chassis is not very resistant against solvents and will be solved and looking very bad….
Put some papertowels under the wormgear and exchange from time to time while cleaning.
Don’t ask me why I know this ;-))
Regards
Christian