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02-22-2013, 05:12 PM
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#1
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2 Rivet Member
2013 30' Flying Cloud
2007 30' Classic
2011 25' FB Flying Cloud
reno
, Nevada
Join Date: Dec 2010
Posts: 53
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Torque Wrench..Which one to use.
I ned to buy a torque wrench to take with me on a long trip. Whats the better one to get, a 3/8 in drive or 1/2 inch? I have a 2012 25' Safari. I want to torque the wheels every 600-800 miles....Any help is appreciated.
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02-22-2013, 05:28 PM
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#2
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2014 Bowlus Road Chief
Cumming
, Iowa
Join Date: May 2012
Posts: 370
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I would recommend a 1/2 inch drive, as that is preferable, in my opinion, for the socket (long) you'll need for tightening and loosening the nuts.
JohnS.
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02-22-2013, 05:30 PM
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#3
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Rivet Master
1974 Argosy 20
2014 20' Flying Cloud
Kooskia
, Idaho
Join Date: Jul 2009
Posts: 4,591
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1/2 inch for the wheels. But, why do you want to re torque them every 600-800 miles? They don't come loose any more than the wheels on a tow vehicle do. Maybe check them once after they are removed for some reason, sure, but no more than that is necessary.
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02-22-2013, 06:45 PM
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#4
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Rivet Master
2019 27' Flying Cloud
Albuquerque
, New Mexico
Join Date: Nov 2005
Posts: 1,917
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Buy the 1/2 inch torque wrench.
But please do not use it to tighten or loosen the lug nuts.
Torque wrenches should be used to "torque" the nuts to specified foot-pounds of torque after they have been tightened in the appropriate sequence.
Use a lug wrench for tightening and loosening.
Hope this helps.
__________________
Ken L 2019 Flying Cloud 27FB
2020 GMC Sierra 1500 Crew Cab 6.2L Max Tow Four Corners Unit WBCCI #5783
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02-22-2013, 07:08 PM
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#5
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Rivet Master
2014 31' Classic
2015 23' International
2013 25' FB International
Apache Junction
, Arizona
Join Date: Sep 2012
Posts: 6,223
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The factory manual suggests checking the torque on the wheel lugs every 50 miles or so for the first few hundred miles after the wheels have been (re)installed. My Airstream was trailered to the Los Angeles dealer. Coming home with the new trailer, I stopped at about fifty miles out. I checked and most of the lug nuts needed a little more. At the next stop, in about fifty miles, half of those nuts needed just a little more. At the third stop only one or two needed a touchup. At the fourth stop, all were seated.
I use a deep well socket with three inch extension so my hands are not touching the tire sidewalls doing the checking. A 1/2" drive torque wrench has the torque range necessary for the trailer wheels.
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02-22-2013, 07:59 PM
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#6
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Rivet Master
2005 30' Classic
Burlington
, Ontario
Join Date: Sep 2008
Posts: 2,743
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I agree with what people have said - you need a 1/2" wrench for use with lug nuts.
Also personally I would not bother with the considerably more expensive "click" type wrench that involves a compression spring, but rather, an inexpensive and simpler beam type wrench with a scale and pointer.
If you have a digital type luggage scale and a bench vice, it is easy to check the calibration of the wrench so you will know it to be accurate for the torque range that is important to you.
Clamp the 1/2" drive square into the bench vice and then attach the digital luggage scale to the wrench handle so you can pull on it at ninety degrees to the length of the wrench and read the force you are applying on the luggage scale
The moment arm (length in feet as measured from the socket centre to the pin in the handle of the wrench) times the reading on your digital luggage scale when affixed to the handle and pulled by you will indicate accurately the applied torque in foot pounds.
Just compare this value to the torque wrench pointer reading to verify the wrench accuracy.
If the two numbers are not very close to agreeing, then you can just apply different force levels to the handle in increments and then plot your own calibration curve and you will be able to apply a very accurate torque even with a cheapie Harbor Freight wrench!
Of course, you can do the same check with any type design of torque wrench - I have several, and I do. I am just suggesting that IMHO, for such limited use you don't need to lay out a lot of money for an expensive wrench!
And in any case, even an expensive one should really have its calibration checked periodically!
Brian.
__________________
Brian & Connie Mitchell
2005 Classic 30'
Hensley Arrow / Centramatics
2008 GMC Sierra SLT 2500HD,4x4,Crew Cab, Diesel, Leer cap.
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02-22-2013, 08:16 PM
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#7
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Rivet Master
2015 27' Flying Cloud
Portland
, Oregon
Join Date: Nov 2009
Posts: 685
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I am a long term mechanic and have 5 torque wrenches. 1/4, 3/8, 1/2, 3/4, and 1 inch. Regardless of the debate regarding the frequency of checking the lug nuts, the appropriate wrench in this case would be a 1/2 inch wrench. Here is a tip that most are not aware. Always set your torque wrench to its lowest setting after you're done. The tension spring can weaken and affect the accuracy if it sets at 80 lbs in your tool box for an extended time.
__________________
The ability to follow instructions is highly underrated.
Always be wary of stupid people in large numbers.
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02-22-2013, 08:47 PM
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#8
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Rivet Master
2005 30' Classic
Burlington
, Ontario
Join Date: Sep 2008
Posts: 2,743
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Quote:
Originally Posted by hhendrix
I am a long term mechanic and have 5 torque wrenches. 1/4, 3/8, 1/2, 3/4, and 1 inch. Regardless of the debate regarding the frequency of checking the lug nuts, the appropriate wrench in this case would be a 1/2 inch wrench. Here is a tip that most are not aware. Always set your torque wrench to its lowest setting after you're done. The tension spring can weaken and affect the accuracy if it sets at 80 lbs in your tool box for an extended time.
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Agree totally, but then, I suppose if you use the simpler beam type torque wrench this is no longer an issue?
Brian.
__________________
Brian & Connie Mitchell
2005 Classic 30'
Hensley Arrow / Centramatics
2008 GMC Sierra SLT 2500HD,4x4,Crew Cab, Diesel, Leer cap.
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02-22-2013, 09:40 PM
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#9
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3 Rivet Member
2018 25' International
Van Wert
, Ohio
Join Date: Dec 2011
Posts: 140
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Thanks for the helpful hints ... Ace Hardware here it come ...
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02-22-2013, 11:19 PM
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#10
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Rivet Master
1987 32' Excella
Nepean
, Ontario
Join Date: Mar 2006
Posts: 1,414
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I use a split beam torque wrench http://www.torqwrench.com/tools/C.php
I have a 3/4" one from my motorhoming days and a 1/2" one for the pickup truck and trailer.
What I like about the split beam wrench is that it does not have to be zero'ed after using. It is fast and accurate, and is made in the U.S.A.
__________________
VE3JDZ
AIR 12148
1987 Excella 32-foot
1999 Dodge Ram 2500HD Diesel
WBCCI 8080
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02-22-2013, 11:36 PM
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#11
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Rivet Master
2005 25' Safari
Salem
, Oregon
Join Date: Mar 2006
Posts: 8,378
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Hi, since the range of torque on lug nuts on most vehicles would be from about 80 lbs to about 150 lbs, a 1/2" torque wrench is the one needed. I had, and used, a 1/2" torque wrench that went from 20 lbs to 150 lbs, I recently replaced it with a torque wrench that has a range of 20 lbs to 250 lbs. The 250 lb torque wrench is longer and gives you better leverage. My trailer wheels are torqued at 120 lbs [max per Airstream] and my Lincoln lug nuts are torqued at 150 lbs. [max by Ford] I only use click type torque wrenches. Beam torque wrenches work just as well, but you need to be able to hold it in place and see the scale directly, not at an angle or you will not get a proper reading. I personally check torque on all of my lug nuts [trailer and tow vehicle] just before each trip. And only if the wheels have been completely removed before this trip, I check them one more time at the first rest stop, camp ground, lunch break, or where ever. The next time that I check my lug nuts torque is just before my next trip. Another tip on proper use of a torque wrench that I see so commonly done wrong, the correct way is to pull on the handle with a slow and steady force until it clicks. I see people all of the time, in tire shops, [wrong way] who jerk the handle of the torque wrench on each lug nut. This practice can give you a false reading.
__________________
Bob 2005 Safari 25-B
"Le Petit Chateau Argent" Small Silver Castle
2000 Navigator / 2014 F-150 Eco-Boost / Equal-i-zer / P-3
YAMAHA 2400 / AIR #12144
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02-23-2013, 06:01 AM
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#12
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2014 Bowlus Road Chief
Cumming
, Iowa
Join Date: May 2012
Posts: 370
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Quote:
Originally Posted by switz
The factory manual suggests checking the torque on the wheel lugs every 50 miles or so for the first few hundred miles after the wheels have been (re)installed. My Airstream was trailered to the Los Angeles dealer. Coming home with the new trailer, I stopped at about fifty miles out. I checked and most of the lug nuts needed a little more. At the next stop, in about fifty miles, half of those nuts needed just a little more. At the third stop only one or two needed a touchup. At the fourth stop, all were seated.
I use a deep well socket with three inch extension so my hands are not touching the tire sidewalls doing the checking. A 1/2" drive torque wrench has the torque range necessary for the trailer wheels.
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A question, Switz - does the use of an extension affect the reading? I've hesitated to use an extension because of my concern on that.
Thanks,
John S.
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02-23-2013, 07:05 AM
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#13
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Rivet Master
1981 31' Excella II
New Market
, Alabama
Join Date: Sep 2011
Posts: 6,145
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The clicker type wrenches require calibration and are not reliable over the long term unless calibrated. The beam type is simple and reliable. You need a 1/2" wrench. It is probably overkill. A simple cross type lug wrench will work fine for checking lug bolts. Once you get the hang of it, you learn when a bolt is tight. There are a lot of variables even with a torque wrench. Things like lube or no lube etc. I always put some grease on the threads or you will NEVER GET THEM OFF if you have a flat. Extensions won't change readings if they are kept straight.
Perry
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02-23-2013, 07:14 AM
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#14
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Rivet Master
2007 30' Classic
Oswego
, Illinois
Join Date: Jul 2010
Posts: 13,669
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A beam type is simpler and perhaps more durable, but some folks have trouble bending all the way down to get a direct perpendicular look at the pointer. You have to be pretty much directly above or at the end of the pointer for an accurate reading. If that is a concern, get the clicker type.
Using an extension takes a bit of understanding and practice to get accuracy. I hold the end of the wrench (the end where the extension/socket is attached) cradled in the palm of my left hand and use my hand as the pivot, or fulcrum, point making sure that as I rotate the handle end, with my right hand, that the extension stays absolutely perpendicular to the hub surface.
__________________
-Rich-
"If the women don't find you handsome, they should at least find you handy." - Red Green
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02-23-2013, 07:37 AM
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#15
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Rivet Master
2005 30' Classic
Burlington
, Ontario
Join Date: Sep 2008
Posts: 2,743
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Quote:
Originally Posted by dznf0g
A beam type is simpler and perhaps more durable, but some folks have trouble bending all the way down to get a direct perpendicular look at the pointer. You have to be pretty much directly above or at the end of the pointer for an accurate reading.
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That is a good point. So as not to have to bend so much to read the numbers, I drilled a small hole in the scale of my beam type wrench next to the correct
value for the lug nuts to make it easier to see when I was on target.
I suppose if I put a small bolt & nut in that hole (as long as it didn't interfere with the pointer of course !) it would be even easier to see from above when the pointer was aligned with the bolt "marker."
I have nothing against the click type wrenches - in fact I own one as well, I think I just prefer the simplicity of the beam style wrench - really nothing much to go wrong with it and no need to remember to wind the tension off the spring after each use.
I did have to scrap one inexpensive click wrench years ago when it stopped clicking and I couldn't seem to resolve it - that probably influenced my view of click wrenches - but then I should know better than to buy cheap tools - I usually don't !
Brian
__________________
Brian & Connie Mitchell
2005 Classic 30'
Hensley Arrow / Centramatics
2008 GMC Sierra SLT 2500HD,4x4,Crew Cab, Diesel, Leer cap.
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02-23-2013, 07:40 AM
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#16
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Rivet Master
2007 30' Classic
Oswego
, Illinois
Join Date: Jul 2010
Posts: 13,669
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I, too, have one of each, Brian. The beam style I got in 1982 when I started my auto tech schooling. That speaks volumes for their durability. They cost a lot less too. I like your bolt/hole idea.
__________________
-Rich-
"If the women don't find you handsome, they should at least find you handy." - Red Green
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02-23-2013, 07:43 AM
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#17
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"Cloudsplitter"
2003 25' Classic
Houstatlantavegas
, Malebolgia
Join Date: Jun 2007
Posts: 20,000
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tires off for Winter storage...
I use torque sticks and a wind wrench....
Carry a 1/2" drive Snap-on TW and a + wrench for emergencies on the road.
POI...you might consider changing out the cheep capped lug nuts with a solid chrome lug....
Cheep, notice seam at shoulder...
Mcgard....IMO the best replacement.
Bob
__________________
I’m done with ‘adulting’…Let’s go find Bigfoot.
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02-23-2013, 07:47 AM
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#18
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Rivet Master
2007 30' Classic
Oswego
, Illinois
Join Date: Jul 2010
Posts: 13,669
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Yup, torque sticks are great....I've never picked up a set....for some reason. I have seen them sold individually as well. Might be a good alternative to a wrench for a dedicated AS tool. X2 on McGard....already done, and well worth it.
__________________
-Rich-
"If the women don't find you handsome, they should at least find you handy." - Red Green
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02-25-2013, 06:43 PM
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#19
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Rivet Master
2010 28' Flying Cloud
Lower Alabama
, USA
Join Date: Mar 2012
Posts: 658
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Quote:
Originally Posted by hissilver
Thanks for the helpful hints ... Ace Hardware here it come ...
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Not knocking Ace but in case you cannot find one handy (they are disappearing in my part of the world), Home Depot sells a Husky 1/2" for less than ~$90 if memory serves me. One of my torque wrenches is a Husky and the quality is quite good for the price.
__________________
Alan
"If you must choose between two evils, pick the one you never tried before!"
Air #64439
Southeastern Camping Unit WBCCI #5033
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02-25-2013, 06:56 PM
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#20
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Rivet Master
2019 27' Flying Cloud
Albuquerque
, New Mexico
Join Date: Nov 2005
Posts: 1,917
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Concur With Alphonse
Husky is good.
I find "Click" type is easier to use than "beam" type (I have both in 3/8 and 1/2)
Always "unload" your torque wrench when you aren't using it. (Adjust it back to zero)
Never use your torque wrench for a breaker bar.
Breaker bar - Wikipedia, the free encyclopedia
__________________
Ken L 2019 Flying Cloud 27FB
2020 GMC Sierra 1500 Crew Cab 6.2L Max Tow Four Corners Unit WBCCI #5783
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