Archived posting to the Leica Users Group, 2010/01/30
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]On Jan 30, 2010, at 5:18 PM, Geoff Hopkinson wrote: > Howard, Spencer has pointed out the different grades of Loctite for you. In > my opinion you should be very cautious about using it on very fine sized > bolts in your lens mounts. It can be done but be aware of the pitfalls. Use > VERY small amounts of the correct grade. Incorrect tool choice or > application can easily cause the screws to shear as well and you are adding > to the required force. Invest in some good instrument screw drivers as > well. > Actually you can entertain yourself for hours browsing and shopping on the > specialist sites that sell such tools. > > Not meant to scare you, very likely you won't have any problems. I've > disassembled the M mounts from several Zeiss (Cosina) lenses and they are > fitted with thread lock and are removable with care. Dependant on the > fasteners' locations you may want to consider locking them externally with > a > tiny drop of lacquer (like the suggested nail polish) instead. That has the > advantages of being more readily removable as well as acting as a teltale > for any fastener displacement. Plus if you choose the right colour it can > complement the sparkle in your eyes. very tiny drop of clear nail polish might do the trick, Steve > Cheers > Geoff (who was a fitter/technician in a previous life) > http://www.pbase.com/hoppyman > > > On 31 January 2010 08:56, H&ECummer <cummer at netvigator.com> wrote: > >> Thanks Spencer >> That's exactly what I was looking for. >> Cheers >> Howard >> >>> Date: Fri, 29 Jan 2010 19:08:47 -0500 >>> From: Spencer Cheng <spencer at aotera.org> >>> Subject: Re: [Leica] Re bayoneted Leica R lenses >>> To: Leica Users Group <lug at leica-users.org> >>> >>> Howard, >>> >>> I use blue Loctite thread adhesive for nuts and bolts subjected to a lot >>> of vibration (on my bikes). Note - do *NOT* use red Loctite unless you >>> want >>> to remove the screws with a blowtorch. There is a weaker (green?) >>> version of >>> Loctite than the blue one that might be useful. >>> >>> < >>> http://www.loctiteproducts.com/products/subcategory.asp%3fCatID=10&SubID=48 >>>> >>> >>> Regards, >>> Spencer >>> >>> On Jan 29, 2010, at 18:42, H&ECummer wrote: >>> >>>> I remember a discussion on the LUG from several years ago about a type >>>> of >>>> Lock Tite that was not permanent. >>>> I think I need some of this product to keep the screws tight on my R >>>> lenses. >>>> Anybody recall the name of the product? >>>> >>> >>> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information >> > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information