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M84 Scope, Lens cleaning advice please
I have an M84 US scope that works fine but the
lens have dust on the inside.I have read that these
are designed to come apart at either end for cleaning
and are sealed with an o-ring.The ends are steel with
two small hole opposite to each other and look like they
screw into the tube.I would like advice how to unscrew
them and clean the lens,then reinstall.Anyone done
this?Instruction on how to do this would be muchly
appreciated.Regards Redhorse
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10-19-2006 11:00 PM
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Thanks Badger for the list of repair shops and phone numbers.
Regards Redhorse
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I tore mine down about a year back, no problems. I made a wrench out of a piece of tin. Basically just dished one edge of a 1" square piece of 15guage so it would clear the lense while catching both slots. There was ample amounts of caulking compound on the threads, enough that no extra was required for reassembly. Some Q tips along with some lense cleaner will make the insides look like new. Don't do this on a humid day, or you will be looking at long term trouble. Best bet is if you can get someone who is into optics to purge it with dry nitrogen afterwards.
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Thank you .That is what I was looking for exactly. Regards Redhorse
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Do let us know how it turns out. Mine worked great. The problem was the same as what you have, dust or dried caulking on the inside of the lenses.
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I'm just rigging up a tool.My M84 has two small holes instead
of slots,but same idea.I picked up some mild lens cleaner
from the optimologist here in town.I'll report what I break
Regards Redhorse
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just thinking out loud, but i wonder if a microfibre lense cloth might be better as it uses no cleaning fluid which can streak?
Союз нерушимый республик свободных Сплотила навеки Великая Русь. Да здравствует созданный волей народов Единый, могучий Советский Союз!
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Thanks Claven,good idea,I'll pick one up and try that first.Regards
Redhorse
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I got the Q-tip and lense cleaner idea from the FCS optics guys at work. If it's good enough for those underworked spec-pay monkeys, it's good enough for me.
But as mentioned above, they would always follow up the opening of an optical device with a nitrogen purge. I used to have them do any scopes I had, and their adapters fit the no32 Enfield scopes quite nicely.
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