Make a bolt be tighter in a coupling nut?

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  #1  
Old 07-07-14, 10:47 AM
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Make a bolt be tighter in a coupling nut?

Hi,


I have a basketball rim that attaches to a plate on the backboard with a coupling nut. A heavy duty spring is then placed over the coupling nut and a bolt Is inserted into the coupling nut through the back part of the rim and turned in order to level the rim.

The issue is when the ball is hitting the rim, the coupling nut moves a tiny bit and after a few days, the rim is no longer level.
I can turn the bolt with my fingers so I think it is too loose.

Is there something I can do to make the bolt be a bit tighter in the coupling nut so it does not move as easily when the ball hits the rim?

thanks
 
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  #2  
Old 07-07-14, 11:04 AM
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I would try a jam nut. A regular nut would suffice, but, depending on how much thread is exposed, an actual jam nut will be thinner. Tighten the two against each other, and see how it holds. Or, if the coupler is threaded tight to the board, maybe all you need is a lock washer.
 
  #3  
Old 07-07-14, 11:08 AM
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Or some locktite or similar thread locker.
 
  #4  
Old 07-07-14, 11:32 AM
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Thanks for the suggestions.

Let me see if I can get a picture of what the rim with the coupling nut in the rim looks like
 
  #5  
Old 07-07-14, 04:40 PM
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The attached doc shows the rim and the bolt that goes through the back lower right pic

If I apply Loctite to the threads would this prevent me from removing the bolt at a later time?
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  #6  
Old 07-07-14, 04:53 PM
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Loctite Will make the bolt harder to remove but will not stop it from coming out when you want get it out. should fix your problem.
 
  #7  
Old 07-07-14, 05:19 PM
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Just be sure to use the "blue Loctite" for future removal or adjustment. The red version is forever - or almost forever.
 
  #8  
Old 07-07-14, 05:23 PM
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Yes, red is for studs and would require heat for removal.
 
  #9  
Old 07-08-14, 10:00 AM
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thanks for the info

i will check at our local ace or Lowes for the blue loctite
 
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