Though I really haven't looked at this except for the pictures, I agree the torque is probably crucial in this; I don't think there should be any shear forces on the bolt if properly torqued; it should be in tension, with the friction of the surfaces keeping it from developing sideways forces on the bolt. Once it starts loosening up, then all bets are off, with the resulting rocking motion creating a vicious cycle, loosening it further and creating shear forces it wasn't intended to withstand.
A regular check of the bolt to make sure it doesn't loosen up, especially after a new installation, might be all that's needed-


posted by 69.117.20...

• 3 out of 4, yaofeng, Wed, 18 Jan 2006 21:56:08
  • Please confirm size of this bolt, Bill Homer , Fri, 20 Jan 2006 07:42:49
    • tensioner top bolt, yaofeng, Fri, 20 Jan 2006 08:38:23
      • Re: tensioner top bolt, hmr, Sat, 21 Jan 2006 15:43:42
  • Yaofeng, are you independantly wealthy, or do you just, Red Rocket, Thu, 19 Jan 2006 12:41:21
  • Looked at the digital photos.., yaofeng, Thu, 19 Jan 2006 09:18:54
  • Re: Troque, BobS, Thu, 19 Jan 2006 08:52:39
    • Proper torque, Wingerr, Thu, 19 Jan 2006 12:48:17 <-- Viewing This Message
      • Re: Proper torque, yaofeng, Thu, 19 Jan 2006 13:20:17
    • maybe we should be useing threadlocker on those n/m, John, Thu, 19 Jan 2006 09:17:49
    • Re: Troque, yaofeng, Thu, 19 Jan 2006 09:04:45
  • This appears to be a common malady..., Joe98, Thu, 19 Jan 2006 07:45:08
  • Re: 3 out of 4, Dana , Thu, 19 Jan 2006 07:17:19
    • It's m8,, yaofeng, Thu, 19 Jan 2006 07:48:51
  • Re: 3 out of 4, Barry, Wed, 18 Jan 2006 22:48:38
    • I think the original bolt is grade 8, yaofeng, Thu, 19 Jan 2006 05:15:16
      • Is that the original bolt? I'm surprised it is, Noel, Thu, 19 Jan 2006 05:29:29
        • Even if it is not fully threaded, it won't help.., yaofeng, Thu, 19 Jan 2006 05:38:12
          • Re: Even if it is not fully threaded, it won't help.., Pierre, Thu, 19 Jan 2006 06:32:21
            • I rarely do preventive maintenance.., yaofeng, Thu, 19 Jan 2006 06:40:44
              • Is the top tensioner bolt recommended to be, 94.9000.cse.t, Thu, 19 Jan 2006 08:20:31
                • A larger diameter bolt won't work.., yaofeng, Thu, 19 Jan 2006 10:36:57
                  • My thot is to go with another Grade 8, possibly, Noel, Thu, 19 Jan 2006 10:46:41
                    • Not the best design (long ramble), KenManiac , Thu, 19 Jan 2006 11:48:20
                      • Re: Not the best design (long ramble), yaofeng, Thu, 19 Jan 2006 12:22:29
                        • Seems to be a problem in the USA since..., Street , Thu, 19 Jan 2006 14:01:51
                          • Re: Seems to be a problem in the USA since..., SteveJ, Thu, 19 Jan 2006 17:53:49

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