What causes the coils where they batteries go to rust? I don't have batteries in there so wondering what would cause this?
What causes the coils where they batteries go to rust? I don't have batteries in there so wondering what would cause this?
The coil springs are manufactured from the cheapest grade of uncoated, untreated steel. Even little amounts of humidity/condensation in the air will saturate and eventually corrode anything uncoated.
Use a tiny file, gently scrape and clean them up - as long as they get make a good contact, there shouldn't be any interference with the connection.
I would suggest you go to an electrical supply store and purchase a 3M pad for cleaning elecrtical contacts and blow out the debris. Less destructive then a file. I take these same pads from work to clean up the stainless steel pots and pans at home.........they work great.
Also available at your local automobile parts house and hardware stores: Electrical contact cleaner in spray can.
Chip
You might try coating the non-contact parts of the coils with varnish, or shellac, or polyethylene or rubber coat or something to prevent recurrence. But if you get it on the contacts they won't contact.
Chip
The original cause for the corrosion was possibly caused by dead batteries leaking acid onto the contacts. Discharged batteries have this nasty characteristic so it is prudent to remove and discard them if you are not going to immediately replace them.
That just hit my brains.............the battery (small round one) is still in my Leicaflex made in the 1980s and stored on my office bookshelf. I must have put it in again about 10 years ago with a film. 4.15 am and I open the cap in front of battery and there it is all dry. What a relieve.
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