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NuTone Vintage Door Chime Picture Gallery > NuTone LB42 Westminster 8 Note Chime > NuTone LB42 gunked up plungers with box and arrow

Another view of the gunked up plungers.  These plungers were so stuck inside the solenoid tubes and I had to use a drift and a small hammer to carefully drive them out.

The best way to clean the goo off the plungers is to a razor blade to cut and scrape the base of the plungers as clean as you can.  Then use some lighter fluid (the kind for a Zippo) and clean away the remaining goo.

I don;t soak the plungers in the lighter fluid because I don't want to take the chance that it will affect the plastic tips on the plunges.