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| Commuter_Tim |
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 Commuter_Tim World Chat Champion

Joined: 09 May 2013 Karma :  
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 Posted: 18:34 - 17 May 2013 Post subject: Torque Wrench Adjustment |
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So I figured it was time to buy a professional torque wrench and get learning how to maintain my CG.
I bought one of these https://www.halfords.com/webapp/wcs/stores/servlet/product_storeId_10001_catalogId_10151_productId_178843_langId_-1_categoryId_165469
Arrived today and I had a play, say theoretically if I twisted the adjustment down into the dotted lines (using about the same force as my throttle twist) and then read in the manual immediately afterwards that this is detrimental to the calibration... am I realistically likely to have done harm?
Not a great start!  ____________________ The above post is most likely nonsensical.
I ride a Bandit 600... badly. |
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| Pete. |
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 Pete. Super Spammer

Joined: 22 Aug 2006 Karma :     
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 Posted: 18:40 - 17 May 2013 Post subject: |
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Doubtful IMO so long as you didn't crank it hard against a stop. If you know someone else who has a small torque wrench you can check them against each other but I would not worry about it personally. ____________________ a.k.a 'Geri'
132.9mph off and walked away. Gear is good, gear is good, gear is very very good  |
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| Commuter_Tim |
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 Commuter_Tim World Chat Champion

Joined: 09 May 2013 Karma :  
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 Posted: 17:55 - 19 May 2013 Post subject: |
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Cheers for the reply, put my mind at ease a bit.
I tried it out today, didnt shear any bolts but i wasnt even able to remove the rear wheel nut anyway, and Im not weak either.
I was sat backwards on the seat above the bike, pulling the wrench upwards, put some serious pressure on the suspension, still wouldn't come loose, so no chain adjustment for me til I figure it out!
Anybody know a good way to remove a nut that looks like it has been painted to the frame? :/ ____________________ The above post is most likely nonsensical.
I ride a Bandit 600... badly. |
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| serlant |
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 serlant Brolly Dolly
Joined: 06 Jul 2009 Karma :    
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| fozzym |
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 fozzym Brolly Dolly

Joined: 14 Mar 2011 Karma :  
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 Posted: 18:07 - 19 May 2013 Post subject: |
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I hope you weren't using the torque wrench to try and undo the wheel nut!
You need a long fixed bar or a long handle ratchet thats up to the job. One way to f*ck a ratchet up is by trying to make it do jobs it wasn't designed to. Slipping a metal tube on for extra leverage doesn't always turn out to be a good idea, I know this to my cost!
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| Walloper |
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 Walloper Super Spammer

Joined: 24 Feb 2005 Karma :   
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| Commuter_Tim |
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 Commuter_Tim World Chat Champion

Joined: 09 May 2013 Karma :  
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 Posted: 18:13 - 19 May 2013 Post subject: |
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Oh dear, it sounds like if I had not fucked a £75 torque wrench before, I have now...
Another expensive life lesson
I guess I will be buying a breaker bar tomorrow!
I have to admit, when I was applying the same amount of force as Atlas lifting the world (well maybe not) to the rear wheel nut, and the suspension was compressing, the ratchet did pass the pressure I had it set for, clicked loudly, and since I was loosening I thought it OK to still apply pressure...
I don't believe it is welded to the frame thankfully, as i was able to scrape around the nut to remove a lot of the paint, and apply WD40, not that it helped much.
I don't suppose you fellas know any other way to test a torque wrenches accuracy without knowing someone else with access to one to test it by? ____________________ The above post is most likely nonsensical.
I ride a Bandit 600... badly. |
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| Walloper |
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 Walloper Super Spammer

Joined: 24 Feb 2005 Karma :   
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 Posted: 18:47 - 19 May 2013 Post subject: |
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| Commuter_Tim wrote: | Oh dear, it sounds like if I had not fucked a £75 torque wrench before, I have now...
Another expensive life lesson
I guess I will be buying a breaker bar tomorrow!
I have to admit, when I was applying the same amount of force as Atlas lifting the world (well maybe not) to the rear wheel nut, and the suspension was compressing, the ratchet did pass the pressure I had it set for, clicked loudly, and since I was loosening I thought it OK to still apply pressure...
I don't believe it is welded to the frame thankfully, as i was able to scrape around the nut to remove a lot of the paint, and apply WD40, not that it helped much.
I don't suppose you fellas know any other way to test a torque wrenches accuracy without knowing someone else with access to one to test it by? |
You could take it back to Halfords and tell the manager you over pulled on it and can I please have another one.
Or you could ask a main dealer if they could test it for you.
It really needs to be checked in a Calibrated machine. Some bigger engineering works should have a meter. But lots of little workshops either don't know any better or don't care.
When you use a torque wrench you should only pull gradually until it clicks. Pulling rapidly injects too much load onto the mechanism and can stretch things putting the bar out of calibration.
You can't check it without a calibrated meter. Checking one against another is a bit hairum-scairum and probably wouldn't be worth the trouble.
You could, if you are bold enough, take it back to Halfords and ask for it to be calibrated. They may have a service for this. But would need ot be sent away which could cost.
Chances are your wrench is still 'as good as new' but no point in having a calibrated tool to remove doubt when you doubt it's accuracy.
Half decent accuracy should be about 0-5% for general use. Most OEM torque settings have tolerance to allow for wrench error/fastener condition and friction etc.
https://www.calibrate.co.uk/torque/
First googled result. Pretty website so they 'MUST' be good.
Found this in the Q&A for the link you posted.
Yes a calibration certificate is available for the Halfords Professional Torque Wrench 8-60Nm. A calibration certificate is supplied with the product. A calibration and repair service is available direct from the manufacturer for any customer requiring a new certificate or repair. Please phone Norbar torque tools on 01295 270333. There is a charge for this service.
Just leave the Quarmah in the usual place mate.  ____________________ W-ireless A-rtificial L-ifeform L-imited to O-bservation P-eacekeeping and E-fficient R-epair |
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| Commuter_Tim |
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 Commuter_Tim World Chat Champion

Joined: 09 May 2013 Karma :  
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 Posted: 19:12 - 19 May 2013 Post subject: |
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Thanks again for the help, I bought it from online halfords just days ago, and in all honesty the plastic tube it came in, it was loose inside, and the tube was smashed, whats to say it was even calibrated correctly initially...  ____________________ The above post is most likely nonsensical.
I ride a Bandit 600... badly. |
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| Walloper |
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 Walloper Super Spammer

Joined: 24 Feb 2005 Karma :   
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 Posted: 19:18 - 19 May 2013 Post subject: |
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| Commuter_Tim |
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 Commuter_Tim World Chat Champion

Joined: 09 May 2013 Karma :  
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 Posted: 19:28 - 19 May 2013 Post subject: |
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Understandable, and I wont waste time arguing over "truth" on the internet, but the packaging was genuinely smashed when it arrived, however that fact may not have concerned me as much until today :p
Just to crowd-source more knowledge from you guys, I'm assuming since the torque range is quite wide for the rear nut (about 26-36lb. ft), and me being an amateur, I'm assuming the accuracy change may not even be in danger zones anyway?
I'm no pro, so just being able to do things accurate enough to not kill myself is cool with me tbh. ____________________ The above post is most likely nonsensical.
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| Walloper |
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 Walloper Super Spammer

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| Commuter_Tim |
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 Commuter_Tim World Chat Champion

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| fozzym |
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 fozzym Brolly Dolly

Joined: 14 Mar 2011 Karma :  
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 Posted: 20:47 - 19 May 2013 Post subject: |
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Just to add.....Many people don't have access to a torque wrench but carry out general maintenance on their bike or car. If you have a workshop manual then by rights you should torque virtually everything!
For me, though others may disagree, I wouldn't worry about torquing wheel spindle nuts, the sump plug or tank bolts, things of that ilk. Just tighten them tight but don't "murder em" as I was once told!
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| serlant |
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 serlant Brolly Dolly
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| Commuter_Tim |
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 Commuter_Tim World Chat Champion

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| Ichy |
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 Ichy World Chat Champion

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| Vincent |
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 Vincent Banned

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| Commuter_Tim |
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 Commuter_Tim World Chat Champion

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Old Thread Alert!
The last post was made 13 years, 40 days ago. Instead of replying here, would creating a new thread be more useful? |
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