[Leica] OT - Does anyone know how to open an oxidated battery compartment?

[leicam4pro at yahoo.com (John Biava)]

If you are in the USA, look for a very high quality penetrating oil as a 
first choice.  But brand names differ in various geographic markets.  Here 
we can get P  Blaster, which is very good.  An industrial supply store may 
have KANO Kroil, which is the best I have ever used.  But it contains 
chemicals which are restricted to industrial users.
   
  Since the battery leakage was a very strong alkaline, a weak acid might be 
helpful, but I would seek that advice from an experienced camera / 
instrument tech.
   
  the damage inside the battery compartment may require the efforts of a 
tech as well.  If the rest of the camera is pristine, and the investment is 
worthwhile to you, a parts camera may be in order here as well.

Didier Ludwig <> wrote:
  Does anyone know a good method to open an oxidated battery compartment? 
The metal battery cover of a cute Petri Color 35 (which I just bought from 
in the neighbourhood) should be opened with a coin, but does not move, even 
with larger coins and rather much power. I guess it's strongly oxydated. Can 
I operate with very small drops of acetic acid, or another acid? Or 
penetrating oil? Unfortunately the battery compartment is inside the body, 
so a treatment with liquids should be done very carefully. 

Thanks in advance for any advice
Didier





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