Proper Maintainance


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bmbluhm
September 23, 2013, 01:30 PM
I have an old Beeman model 850 pistol and I am curious as to what the proper luberication and any other maintainance would be reccomended.

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MartinS
September 23, 2013, 09:37 PM
You could check here http://www.pyramydair.com/manuals and find a Beeman model that looks and acts like yours. If it's a pneumatic, pump up, just oil the mechanical linkage until you read about it.

rodinal220
September 24, 2013, 04:55 PM
Wow,thats an old one!! I believe those are Diana Model-6 that Beeman imported several decades ago under their name as the 850,which is the recoilless version of this pistol. Its a spring-piston(springer) so the same basics as any spring-piston gun should apply.

It probably needs to be completely stripped down,piston inspected,old grease and oils removed,new breach seal and piston material replaced(if synthetic),re-lubed with correct lubes for spring guns.

If you go to do it yourself you need some kind of a spring compressor to ease out the mainspring. Correct lubes/parts can be had from James Maccari.



http://www.airrifleheadquarters.com/page/page/251327.htm

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