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Loose Fastener Problem

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Loose Fastener Problem

Post by CKAFamily on Sat Mar 12, 2016 6:25 am

Hi All,

I have some screws loose!!

I now have over 100hrs of printing with varying success due to my novice level of experience. Wink  I am learning fast and loving it!

I have found that CTC used standard nuts instead of Nyloc Lock nuts for some of the fasteners and sometimes no washers under the nuts.

I have had all of these standard nuts come loose and bolts fall out. The main problem area is the 4x fasteners that attach the Y axis guide rails to the back wall of the printer. There are 2x for each guide rail and they pass through a small ply wood block that supports each rail. You must replace the normal nuts with Nylock nuts or Locktite each one. They are M3 size. I have had bolts fall out and the rail drops forcing the head into the job.

Hint, replace one at a time so realignment of the rails is not required.

Check your own machine and look for any standard nuts and ensure they are replaced or thread fastening adhesive is used.

Cheers

CKAFamily
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