Thanks for the comprehensive reply Nigel. I’ll carry on with the fettle and fit method.
I have to admit I’m struggling to understand how increasing the overall length across both bearings by using a shim stops it seizing up... Cheers Ian On Wed, 5 Jun 2019 at 14:15, Nigel Plant <[email protected]> wrote: > Hi Ian >> >> Yes, have had great fun with these wheel bearings. I have measured the > land width and compared to the Sierra, although I don't now have the > dimensions they were close, leading me to believe any issues were the > protrusions, see below.. Trying various approaches over the years the > problem seems to have settled. Initially I tried a number of routes and > can't honestly say any single one produced the fix, however this is what I > do now and the problem has not resurfaced for a number of years. It seemed > heavily exacerbated during track days, with,I guess, the extremes of > cornering, braking and accelerating. What I now do is the following: > > 1. Check the land in the centre of the hub is clean and flat with no > protrusions from punch marks caused during removal. I know from our > earlier discussions you do this. > 2. Assemble and torque to spec checking that the wheel is free to > rotate. Sometimes this seems to be so. I generally do this on the bench > and always remove the hub so can easily work on it. > 3. If rotation is tight and I am positive there are no protrusions; I > have a choice of three shim sizes 0.1, 0.2 and 0.3 mm thick and use minimum > shims between the inner races to allow the bearing to just freely rotate. > 4. Keep checking for tightness. I carry a socket and bar in the car and > frequently check, when it is convenient. The only time a problem has > occurred is on the track, but not had a problem for a few years now. > > Having said all that, the big variation can only really be the high spots > on the spacer land and I suspect early on I did not do a good enough job of > flattening these. I am probably more diligent now. If you need any > spacers they are readily available on line. Just measure the bore size and > you should find some. If not I can mail some to you. The other issue is > which side you have the cack thread on. Can let you know what mine is if > you wish and have spent many hours and discussions trying to figure what is > correct. Mine are per standard Sierra guidelines. > Regards > Nigel > > -- > -- > You received this message because you are subscribed to the Google Groups > "Quantum Owners Group" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/quantumowners?hl=en > > IMPORTANT NOTE: All information presented herewith is provided on an "As > Is" basis, without warranty or the implication thereof. Neither the Quantum > Owners Club nor the individuals associated with the Quantum Owners Club or > in the preparation of the above information shall have any liability to any > person or entity with respect to liability, loss, or damage caused or > alleged to be caused directly or indirectly by the instructions contained > within this or related message(s). > --- > You received this message because you are subscribed to the Google Groups > "Quantum Owners Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/quantumowners/f77486bb-0fd6-4aca-91f7-f1bbc1ae47bf%40googlegroups.com > <https://groups.google.com/d/msgid/quantumowners/f77486bb-0fd6-4aca-91f7-f1bbc1ae47bf%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- -- You received this message because you are subscribed to the Google Groups "Quantum Owners Group" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/quantumowners?hl=en IMPORTANT NOTE: All information presented herewith is provided on an "As Is" basis, without warranty or the implication thereof. Neither the Quantum Owners Club nor the individuals associated with the Quantum Owners Club or in the preparation of the above information shall have any liability to any person or entity with respect to liability, loss, or damage caused or alleged to be caused directly or indirectly by the instructions contained within this or related message(s). --- You received this message because you are subscribed to the Google Groups "Quantum Owners Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/quantumowners/CAPXHwq%3D9ob0LVpc4bJGT462aLHsyY7yG_VdM%3DjuNYaNR_D0BHQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
