So having removed the tach and disassembled to clean the face and glass up, I had to cut off the rubber seal that seals the bezel. It’s in pretty poor shape after removal.
Do they make replacements seals? What can be used in its place? I searched the forum but was surprised to find nothing…
I went with “Nossinger” (sp?). If I recall there may be some o-ring that isn’t (WASN’T) available at the time. I think I used some 3M dum dum for something on this job, or maybe the smaller instruments. There was some problem or other which I can’t exactly recall about getting the correct parts.
You can make satisfactory replacements using 1/8" screen spline available from any hardware store. Just cut to length, and then join the ends with a dab of superglue.