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Triumph Torque    Cars    Herald/Vitesse  ›  Vitesse Hub End Float
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MarkB
March 15, 2017, 10:42pm Report to Moderator


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Hi all

In the process in putting the Vitesse back together and I am  having to revisit a job I thought was done and dusted several years ago.
I have Kingston Sports Cars sliding splines drive shafts fitted and shimmed the hubs to the correct end float, so I thought, but a couple of months ago whilst under the car i pulled on the driveshaft for some reason and felt some play. Looking closely I could see some movement in the bearing.

I removed both shafts off the car and remeasured the end float. Haynes manual states between 0.0005 and 0.0025. I am having difficulty reading the dial indicator, and can't find the instructions.

I am now starting to think 0.0025 is two of the small increments and not what I originally set it to as the photo shows.

Any advice appreciated




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nang
March 16, 2017, 4:51am Report to Moderator

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It appears your DTI  is measuring m.m. I imagine  original data is in thousands of an inch.
Tony.


If all else fails-Read the Instructions! ��Wairoa
New Zealand

1976 2500TC (converted to S spec) owned since 1998.

1999 BMW 2800 cc Z3 Convertible.
 
2003 BMW 525i Touring.
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MarkB
March 16, 2017, 8:44am Report to Moderator


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Hi Tony

Thanks for pointing that out. I need new glasses. Now you have reminded me I do remember setting it up using the Haynes manual measurments of 0.0127 to 0.0635mm. So the DTI appears to read wishing the tolerances but there feels to much side to side movement as apposed to end float.
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Nick Jones
March 16, 2017, 10:43am Report to Moderator

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As Tony points out, that DTI is metric.  Each graduation is 0.01mm, each full turn of the main dial is 1mm and it can manage 10mm total with each full turn being recorded on the smaller dial.  The metric specs for end float are 0.0127 - 0.0635 mm. Yours appears to show about 0.24mm so it is way too big.  In practice you'll struggle to measure the specified dimensions with any precision due to the difficulty holding everything steady enough to prevent "noise".  

There are those how say that these bearings should actually have a little pre-load when set from new (not unusual for taper-roller pairs) but this is not what the book says......

Presumably the hub nut is torqued up?

Nick


Nick Jones
Somerset UK

Vitesse Mk 1.5 Convertible EFI, Survivor of RBRR 2008, HCR & 10CR 2009, HCR 2010, 10CR2011, HCR 2012, 10CR2013, 10CR2015, HCR 2016 & HCR 2017.
GT6 Mk3 Roto - project in progress
Spitfire MKIV son's project now on the road as a daily driver
2.5 PI Saloon now EFI (PIe?), Engine rebuilt and running sweet.  Diff howling...... Survivor of HCR 2013 & 2014 Gone to live in Swansea

http://www.tengaston.plus.com
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MarkB
March 16, 2017, 12:24pm Report to Moderator


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Thanks for making that clear to me Nick. My 17 year old Nephew just said the same, so when I initially set it I misunderstood the readings. No wonder I could see some play . May need a thinner spacer to active that end float. Thanks again.

Mark
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