Stripped threads!!!


5 replies to this topic
  • abou_l_simm

Posted July 02, 2009 - 12:26 AM

#1

How Bad is it if you over-torque the 2 screws that hold the front wheel axle to the Fork tube flanges.

I was using an old needle type torque wrench trying to get the 20 ft-lb recommneded in the manual...but I think I overdid it.

What's the contingency if I stripped the threads on these?

http://shop.thumpert...007&model=12915 --> bolt #52

  • ajeb

Posted July 02, 2009 - 03:16 AM

#2

If you have stripped the threads they can be easily repaired
with either the heli-coil or time-sert thread repair systems.
The time-sert is the prefered option.

  • rparobi

Posted July 02, 2009 - 03:51 AM

#3

I'm pretty sure they should be tightened to 20 Nm not 20 ft/lb quite a significant difference in torque

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  • grayracer513

Posted July 02, 2009 - 06:44 AM

#4

Right. The spec is 23Nm or 17 ft/lb.

You will have to have these bolt holes Heli-Coiled, or red-neck it by drilling them through and using longer bolts with nuts on them. They're important.

  • Aka.Goose

Posted July 02, 2009 - 04:50 PM

#5

Could you just tap it one size up to use a bolt one mm thicker?

  • grayracer513

Posted July 02, 2009 - 05:15 PM

#6

Could you just tap it one size up to use a bolt one mm thicker?

Doing that tends to weaken the clamping area of the lug. It's best to stay with a Heli-Coil, and insert it from the threaded side so the top side is not drilled larger.





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