www.kiwiairgunners.co.nz/ This is an XML content feed of; Kiwi Airgunners Forum : Pauly's Technical Area : Scope repairs Copyright (c) 2006-2012 Web Wiz Forums - All Rights Reserved. Tue, 28 Apr 2026 05:36:31 +0000 Sun, 13 Apr 2014 14:06:44 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 10.14 360 www.kiwiairgunners.co.nz/RSS_post_feed.asp?TID=113 www.kiwiairgunners.co.nz/forum_images/logo.jpg www.kiwiairgunners.co.nz/ www.kiwiairgunners.co.nz/forum_posts.asp?TID=113&PID=602#602 Author: (pink)MIST
Subject: 113
Posted: 13 Apr 2014 at 2:06pm

Nice work, guess we'll find out in 24hrs whether it lives another day.

Most of the side focus scopes all run a similar setup , the threaded brass pin moves forwards/backwards as you turn the side focus turret, in turn moving a lens inside the saddle creating different focal lengths .

Quite simple setup really, yet quite daunting to most if it stops working. ]]> Sun, 13 Apr 2014 14:06:44 +0000 www.kiwiairgunners.co.nz/forum_posts.asp?TID=113&PID=602#602 www.kiwiairgunners.co.nz/forum_posts.asp?TID=113&PID=601#601 Author: nunga
Subject: 113
Posted: 13 Apr 2014 at 1:00pm

I have a ZOS 10-40x50 scope that was given to me. The other day it started to go way out of focus when you shoot. the side wheel was getting harder and harder to turn. it got to the point where you cant focus it anymore. This is what i did to fix the problem.



First i took the side wheel to get to the original  side focus wheel.






Next remove the hex screw.







Once the cap has been removed you can see the next level of the gears. Just looking at it you can see a lot of glue coating everything. This will make it very hard to take off. I used a small punch and tapped it with a hammer.










Once the top plate was un-screwed i noticed that there was a brass pin that was just sitting in the slot very loose and it just pulled out. I could see it had a thread so i will have to screw it back in.




Before i screwed it back into place i wanted to see what was under the next level so i used a small Phillips screw driver to remove the last part.





This is what it looks like after everything was removed.



Next i got the Lock Tight 222 out and coated all the screws and brass pin. I screwed the pin back into place and put the cap back on and put it all back together.


It is now running much smother now and it is focusing correctly again. I will wait 24 hours before i mount it on a gun to allow the lock tight to set. But i think it is all fixed back to new again :)



 

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