Field coil insulation

[Shoat]

What is good to re-seal broken insulation on starter field coils?

[Joe K]

Glyptol works if it's not too bad.

Joe K

[Jazzjr]

Go to any Good Hardware Store, Ace or Lowes, Home Depot or an Electrical Supply place, even some Walmart stores carry it. They have a coating that comes in a can w/brush, and Spray Can, called Liquid Electrical Tape, to coat Electrical connections, that when dry is a Plastic coating. Another thing that might work is the stuff you dip hand tools in to make Insulated handles.

[MikeK]

Left over 2K mix. BC or CC. You're going to throw it away anyway. Just slobber it on with a throw-away brush.

I used to line up all kinds of little stuff before I'd play alchemist and mix Imron for a job. Did lots of alternator rotors and fields in strange colors! Waste not, want not.

Absolutely bulletproof stuff. You could lightly glass bead the flakey varnish off the windings and then seal it all up like new.

[hardtimes]

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Originally Posted by Shoat

What is good to re-seal broken insulation on starter field coils?

Hey Shoat,
There are some good things to try as stated here, but you haven't said how bad things are with your field coils. I tried 'things' then took my gen to a 'gen/alt' shop. The shop owner tested it and sprayed some pretty blue stuff that I'd never seen priorly. Four/five trips back to his shop , over a period of six weeks. When he couldn't get it to output , per his machines/testers, he ended up sending to rebuild shop for rewind...as we had agreed upon and that I paid for from the getgo! Mabe you should line up such a shop..just in case!