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post #1 of 5 (permalink) Old 04-21-2017, 03:07 AM Thread Starter
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Need Help - Bolt Torque ???

So I'm in the process of installing a Rivco trailer hitch on my GL1800. There are a couple of 9/16" bolts that need to be torqued to 35-38 foot lbs. My issue is, that because of the bolt and nut locations, I can not get a socket on them. If I use a Crowfoot Wrench in place of the socket on the torque wrench does the "Foot Lbs" setting have to change because I am no longer at the same pivot point as I would be with the socket?

If so, then what should my new torque setting be?

Thanks, DJ
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post #2 of 5 (permalink) Old 04-21-2017, 06:49 AM
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Yes it does change the leverage and so the torque but by what amount I don't know. I never used a torque wrench on things like that but always had a good feel for how tight a bolt needs to be. I think it's blasphemy to use an SAE bolt on a metric machine. Don't know why the accessory makers can't go metric.

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post #3 of 5 (permalink) Old 04-21-2017, 10:26 AM
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Originally Posted by DaveO430 View Post
I think it's blasphemy to use an SAE bolt on a metric machine.
Amen to that.

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post #4 of 5 (permalink) Old 04-21-2017, 11:02 AM
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Originally Posted by DJ99Wing View Post
So I'm in the process of installing a Rivco trailer hitch on my GL1800. There are a couple of 9/16" bolts that need to be torqued to 35-38 foot lbs. My issue is, that because of the bolt and nut locations, I can not get a socket on them. If I use a Crowfoot Wrench in place of the socket on the torque wrench does the "Foot Lbs" setting have to change because I am no longer at the same pivot point as I would be with the socket?

If so, then what should my new torque setting be?

Thanks, DJ
I am wondering if you assume it is a 9/16" bolt because you use a 9/16 wrench. That would be a 3/8" bolt and the torque you listed would be about right. It is the diameter of the bolt shank. Not the bolt head that determines it's size. A 9/16" bolt would usually require a torque reading of 100 ft/lbs or so. I would estimate that if you use the crows foot you would need to lower the torque reading by about 10%. I would say 32 to 35 ft/lbs. I too wouldn't use a torque wrench on bolts like that as Dave said. Just good and tight should do.

Mike

Worked on the "big rigs" for 45 years now just riding my Wing whenever I can. Gets cold in Wisconsin.
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post #5 of 5 (permalink) Old 04-21-2017, 12:06 PM
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Originally Posted by redwing52 View Post
I am wondering if you assume it is a 9/16" bolt because you use a 9/16 wrench. That would be a 3/8" bolt and the torque you listed would be about right. It is the diameter of the bolt shank. Not the bolt head that determines it's size. A 9/16" bolt would usually require a torque reading of 100 ft/lbs or so. I would estimate that if you use the crows foot you would need to lower the torque reading by about 10%. I would say 32 to 35 ft/lbs. I too wouldn't use a torque wrench on bolts like that as Dave said. Just good and tight should do.
Yep, ain't no 9/16 bolt on a trailer hitch on a goldwing, or anywhere else on it for that matter.

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