I am very new to collecting meters, and enjoy many threads I have found at this site. I recently acquired a late model Duncan, that was converted to a lamp (apparently by Duncan).

After I replaced the snap switch, the meter runs great. Now I want to know more how to maintain it long term.

Is there anyone here that knows about how to maintain a parking meter (or knows where to find a Duncan Meter maintence manual)?

Thanking you all in adance for whatever assistance you can offer.

PS: I have found many other great threads on this site! Good work!