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Basselope1
Tinkerer
Username: Basselope1
Post Number: 8
Registered: 05-2011
Rating: N/A
Votes: 0 (Vote!) | | Posted on Friday, June 17, 2011 - 07:01 am: | 
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I picked up a beautiful Canon EX Auto from Ebay. But I could not get the battery compartment open. I have had some that were difficult but never like this. I used a nickel, then a new dollar coin, then a dollar coin clamped in vise grips. Nothing. Finally I dislocated the battery comaprtment from the base I was pushing down so hard. I took the base off and removed the compartment, clamped it in a rubber lined wedge and vise gripped the lid. Still nothing. WD-40 - nothing. Finally vise grips on one and vise grips on the other. Nothing. After an hour I had managed to scar up the lid and compartment enough that I am now looking for a Canon EX base to replace this one...but the lid is still holding fast.  Any suggestions for this kind of trouble in the future? I am assuming the inside must be totally corroded over. Thank you! |
Mndean
Tinkerer
Username: Mndean
Post Number: 247
Registered: 08-2007
Rating: N/A
Votes: 0 (Vote!) | | Posted on Friday, June 17, 2011 - 07:47 am: |
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Did you try baking soda/water? That worked on one camera of mine with corrosion, but I don't know if it's recommended. I used some lighter fluid to penetrate the threads afterward IIRC, I have no idea if it helped. BTW, as you guessed, the battery chamber was a mess when it was opened. |
Old_school
Tinkerer
Username: Old_school
Post Number: 87
Registered: 04-2011
Rating: N/A
Votes: 0 (Vote!) | | Posted on Friday, June 17, 2011 - 08:04 pm: |
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Baking soda works for car battery terminals, because they are traditionally a sulfuric acid content. The energy cell used in the cameras & smaller appliances of late are alkaline or other types. The baking soda may not help to naturalize the chemical action.
If it is of the caustic side or alkaline base, you will need an acid to naturalize it. A vinegar or a little mixture of boric acid will work to clean up the chemical actions in the none acid type situation. Then a rinse off with water to cleanse & deactivate either chemicals would be a good idea. Then dry off with a hair dryer to remove any residual moisture.
No guarantees on anything, but do think through the process, before acting. Alkaline burns are nasty so be careful.
The Best Mike.... |
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