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Old 05-23-2007, 04:21 PM   #1
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Smile Wheel Studs Torque Specification?

Can anyone give me the torque specifications for my wheel lugs?
I have a Rockwood 5th wheel and have reviewed all the documentation supplied with the RV and cannot find the torque spec.
My manual for the AL-KO axles states to torque the studs to the mfr. specifications but not to exceed 120 foot lbs.
For reference I have Model 8284SS GVWR is 8,200 lbs, I have alloy rims and the tires are 205/75R 15.
Thanks in advance for your assistance.
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Old 05-23-2007, 04:29 PM   #2
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15" steel wheels generally between 90 and 120 ft lbs.
15" aluminum wheels generally between 80 and 100 ft lbs.

16" steel wheels generally between 90 and 120 ft lbs.
16" aluminum wheels generally between 95 and 115 ft lbs.

I torque my steel wheels to 105 on the trailer. My big red truck calls for 120 on it's aluminum wheels but it's a dually.

I figure as long as you are consistant on all the wheels and check them regularly you should be good to go.

greg
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Old 05-23-2007, 06:27 PM   #3
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THANKS aintgotnun! I had been torquing them to 100 foot lbs so I'm OK>
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Old 05-23-2007, 08:26 PM   #4
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Yep. I would call 100 good on the alloy (aluminum?) wheels. Just be carefull that you don't over torque. You probably should check for hairline cracks around the lug nuts. Any cracks and it's time for new wheels. Also you may want to consider stepping it down a notch (maybe 3-5 ft lbs) just to be on the safe side.

A tip I learned in the Army that I haven't used on my 5'er yet but I plan on it, is to place a drop of fingernail polish on each lug nut and stud combo after your final torquing. You can then check your lug nuts at a glance to see if they have moved. This is done after your initial breakin period or after torquing after a couple of hundred miles. This lets the wheel set where it's going to be for the long haul.

Anybody else with some tips or specs chime in!!


greg

still gotta use the nanersplit
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Old 05-24-2007, 07:53 AM   #5
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Well unless it's a super shade of pink nail polish I prefer White Out or liquid paper. It comes in colors also. Oh by the way I have the aluminum wheels on the Flagstaff 829FKSS set at 95lbs and haven't had one come loose in 3 years. I usually check at the start of the season and every other trip. My tires pressures are set at 50lbs pressure and checked the same.
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Old 05-24-2007, 06:36 PM   #6
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THANKS! You "guys" are the best
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Old 05-24-2007, 07:00 PM   #7
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THANKS! You "guys" are the best
We know

and modest too
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Old 05-24-2007, 09:22 PM   #8
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I've always assumed that the correct torque must be about 10 ft/lbs more than you can possibly break free with a friggin wheel wrench!

Hey Fundy!!! I'm camping on the NB side and looking across at you! See me waving??
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Old 05-24-2007, 09:37 PM   #9
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I've always assumed that the correct torque must be about 10 ft/lbs more than you can possibly break free with a friggin wheel wrench!
Now that's funny!! BWAHAHAHAHA!!!!!!

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Old 05-25-2007, 11:13 AM   #10
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welshman599 I see you NOW
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