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question re: Dr Mini's front wheel bearing how-to
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Author:  simon k [ Thu Apr 05, 2012 7:53 pm ]
Post subject:  question re: Dr Mini's front wheel bearing how-to
this is mainly directed at Dr Mini, but any replies are invited. I have two sets of QH brand bearings here to go in my front-end, and thought I'd use the how-to :)

http://www.ausmini.com/forums/viewtopic.php?t=40640

at step 3, it says "3. Assemble the bearings, spacer, C/V and drive flange without the seals."

my query - is that with or without grease?

I took my RH side apart on Monday night to fix a CV boot, and thought I'd clean and repack the bearing while I was at it. The rollers of the inner race had all lost their surface - repacked it and put it back in so I could drive to work, and will replace it on the weekend

The QH bearing kit is thorough, even comes with a new split pin. I can't remember where that funny white ring goes, I think I've binned them when I've had them before.
Author:  sgc [ Thu Apr 05, 2012 7:56 pm ]
Post subject:  Re: question re: Dr Mini's front wheel bearing how-to
simon k wrote:
at step 3, it says "3. Assemble the bearings, spacer, C/V and drive flange without the seals."

my query - is that with or without grease?


Without.

Doc's guide wrote:
8. When you are happy with the rotation torque, disassemble, grease the bearings, fit the seals and reassemble.


The aim of dry assembly is to determine the correct thickness of spacer to give the right preload to the bearing. Once that's right, then assemble for real with grease ;)
Author:  simon k [ Thu Apr 05, 2012 7:58 pm ]
Post subject:  Re: question re: Dr Mini's front wheel bearing how-to
sgc wrote:
simon k wrote:
at step 3, it says "3. Assemble the bearings, spacer, C/V and drive flange without the seals."

my query - is that with or without grease?


Without.

Doc's guide wrote:
8. When you are happy with the rotation torque, disassemble, grease the bearings, fit the seals and reassemble.


;)


wooo - nice detective skills - I missed that bit :oops:
Author:  smac [ Thu Apr 05, 2012 8:04 pm ]
Post subject: 
Hmmm...that is kinda like the classic Haynes "remove the bolt.....(over the page)..under no circumstances". :lol:
Author:  simon k [ Thu Apr 05, 2012 8:09 pm ]
Post subject: 
I've updated the how-to, just to save monkeys like me the trouble of reading it properly :roll:
Author:  TheMiniMan [ Thu Apr 05, 2012 9:41 pm ]
Post subject: 
ah,,, well,,, i`d have to say that i "NEVER" like any metal moving part to be moved, (especially if it`s tightened up with any sort of pre-load) to be moved/turned etc, -->without any grease... NEVER,,, i always grease em up before i attempt anything

i hate dry metal on metal moving anything!!!!!!!!!!!! microscopic damage becomes way more than microscopic in no-time-fast.

sorry Doc, but i reckon a tad of grease isn`t going to do diddly squat to the measurement/preload setting

I say grease em all up & fit the rear seal... take the front bearing out to effect any/all adjustment,,, then fit it back in when you`re done

& yes these new-ish bearings come with a spacer that is too wide & it needs skimming

clock it in a lathe & skim a bit at a time till it`s got no play... if you take more than 2thou off at a time then you may come to grief with them ending up too tight & wearing out in no-time-fast.

if you have a "feel" for the amount of play (experienced with w/brg spacer skimming) then cool, rip off 10thou if you think it`s about right,,, but then only take 2 thou skims after that, because doin it that way makes sure you can only be 2thou pre-load at worst

sorry to butt in,,, butt i had to say to do them with grease,,, then y typing fingers went rank & started on this path to describe w/brg adjustment, sorry

:-)
move along, nothing to see here

:-)

happy easter
Author:  simon k [ Thu Apr 05, 2012 11:14 pm ]
Post subject: 
but it's really hard to get the spacer back out when it's covered in grease!!

I'll add your comments to the how-to Matt - does make sense
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