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Old December 9, 2012, 11:35 AM   #5
Pahoo
Senior Member
 
Join Date: February 16, 2006
Location: IOWA
Posts: 5,637
It does happens on older scopes

This is a common problem with older, inexpensive scopes. The internal lubricant loses their solvents and become gummy. I have found that if you can get them to move, you will be alright. You might try a little heat from a hair drier but I would not go any hotter than this. Just go for warm, not hot !!
I have only seen this problem on much older, cheap scopes that have sat too long, on one setting...

Be Safe !!!
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Last edited by Pahoo; December 9, 2012 at 11:44 AM.
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