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Nikon E800 stage holder dissmount problem

 
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Litonotus



Joined: 20 Jun 2011
Posts: 1393
Location: Poland

PostPosted: Thu Nov 02, 2017 6:14 am    Post subject: Nikon E800 stage holder dissmount problem Reply with quote

Hi there Smile long time no see... Coming to an and of my break Smile I have to reapir loosened focus axis, it is impossible to remove it without unfixing the stage holder.

I removed this screw but it remains fixed.


I asked on the fb group and they said that I have to use a little hammer to make move the stage holder off the dovetail. Is it the only way? I have all manuals, reapir manulas etc - found nothing there.

Thanks in advance Smile
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I'm looking for the the extemely rare V-IM magnification changer for the E800 scope. If you have seen a listing or have one for sale please let me know.
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Choronzon



Joined: 21 Feb 2010
Posts: 370
Location: Chicago USA

PostPosted: Fri Nov 03, 2017 7:26 am    Post subject: Reply with quote

Hammers are excellent for denting bearing races. Use a heat gun on that silver oblong thingy and or an eye dropper with penetrating oil. The. Try to rock the stage mount side to side with your hands. No hammers.
Somebody over tightened the Allen bolt jamming that small silver dovetail clamp.
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Litonotus



Joined: 20 Jun 2011
Posts: 1393
Location: Poland

PostPosted: Sat Nov 04, 2017 7:09 am    Post subject: Reply with quote

Thank you! Very Happy
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I'm looking for the the extemely rare V-IM magnification changer for the E800 scope. If you have seen a listing or have one for sale please let me know.
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Litonotus



Joined: 20 Jun 2011
Posts: 1393
Location: Poland

PostPosted: Sun Nov 05, 2017 5:18 am    Post subject: Reply with quote

Nothing works Sad Tried lubrication/penetrating oil, small hammer and wood and even a "corkscrew" to remove the silver part. Remains as if it was a single thing Sad
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I'm looking for the the extemely rare V-IM magnification changer for the E800 scope. If you have seen a listing or have one for sale please let me know.
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Choronzon



Joined: 21 Feb 2010
Posts: 370
Location: Chicago USA

PostPosted: Mon Nov 06, 2017 5:21 pm    Post subject: Reply with quote

What's happened is somebody had tightened the Allen bolt to the extreme. The mechanism has a female dovetail. It's dug into the soft male dovetail of the aluminum focusing part. If you can get a steel dowel of the exact diameter of the hole that the bolt fit into and rock that piece back and forth, you might free it up. I've see this once before as a dealer repair tech, and I ended up replacing a lot of parts which are currently unobtainable.
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Litonotus



Joined: 20 Jun 2011
Posts: 1393
Location: Poland

PostPosted: Wed Nov 15, 2017 12:53 am    Post subject: Reply with quote

Thank you! Will try that, nothing helped till this moment.

I tried heating, many lubrication/penetrating fluids etc.
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I'm looking for the the extemely rare V-IM magnification changer for the E800 scope. If you have seen a listing or have one for sale please let me know.
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Litonotus



Joined: 20 Jun 2011
Posts: 1393
Location: Poland

PostPosted: Thu Nov 16, 2017 10:47 pm    Post subject: Reply with quote



Finally found a way to remove that bolt... Thank you for your help! ?
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I'm looking for the the extemely rare V-IM magnification changer for the E800 scope. If you have seen a listing or have one for sale please let me know.
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Choronzon



Joined: 21 Feb 2010
Posts: 370
Location: Chicago USA

PostPosted: Fri Nov 17, 2017 8:30 am    Post subject: Reply with quote

Congratulations! You passed microscope repair 101!
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