The Leyland Workshop Manaul and Haynes are quite clear in respect of the
MGB, there should be an end-float of .002 to .004, not a preload.
PaulH.
http://freespace.virgin.net/paul.hunt1/
-----Original Message-----
From: REwald9535@aol.com <REwald9535@aol.com>
To: paul.hunt1@virgin.net <paul.hunt1@virgin.net>; mgs@autox.team.net
<mgs@autox.team.net>
Date: 30 March 1999 07:24
Subject: Re: pulling out the spacers in the front hubs
>Paul,
>Conical bearings need some (not much) pre loading. There are several ways
to
>do this. MG used a spacer and as you mentioned a torque of 40-70 Ft Lbs.
>With the spacer and correct shims fitted this gives the correct pre load on
>the wheel bearings. Other makes have a different way of skinning the same
>cat. My company (Volvo) on 240's have the technician torque the wheel
>bearings to 30 Ft. Lbs. and spin the wheel to center the bearings, then
loosen
>the nut 1/2 turn and retorque to 11-15 inch Lbs. this also pre loads the
>bearings to the correct amount. Either way the idea is to remove the slop
and
>not to over load the bearings which would cause a premature failure.
>Rick Ewald
>67 MGB
>
>In a message dated 3/29/99 12:30:42 PM Pacific Standard Time,
>paul.hunt1@virgin.net writes:
>
>> As well as the spacer and shims, when tightened to the correct torque of
>> 40 - 70lb ft, strengthening the axle shaft they also stop any tendency
for
>> the inner races to spin on the axle. The correct shims will give an
>> end-float of .002 to .004in, not a loading of 11 to 15 in lb.
>>
>> PaulH.
>> http://freespace.virgin.net/paul.hunt1/
>>
>> -----Original Message-----
>> From: Karl Shultz <karl.shultz@ibm.net>
>> To: MG List <mgs@autox.team.net>
>> Date: 26 March 1999 05:20
>> Subject: pulling out the spacers in the front hubs
>>
>>
>> >Hello MGers,
>> >
>> >Hope all is well with you getting your assorted brit cars ready for the
>> >warm season. I'm coming along myself - I've replaced the brake lines
>> >(which looked as old, if not older, than the entire 73 B itself), the
>> >heater control valve (with a gasket now) some hoses, and made some
hacks
>> >into the electrical system whose effectiveness seems to vary day to
day.
>> >
>> >Anyhow, I took a trip to Flying Circuis Cars in Durham, NC. They're a
>> >Brit car specialist where I buy my parts. So I go to buy shims for the
>> >front hubs (which rattled about horribly) and a guy came in from the
>> >garage area telling me something interesting. I'd like to bounce this
>> >off the group, it seems odd.
>> >
>> >He said that the big spacer, and the accompanying shims, could be
>> >installed in the trash can rather than the hub. "Conical bearings can
>> >accept the load themselves no problem; people used to think you had to
>> >make perfect contact between the bearing housings with those shims, but
>> >all the cars we work on, we just pull all that stuff out.
>> >
>> >Odd, no? I tried it. The hub can be put together and adjusted up just
>> >fine without all this stuff. But concerned for the longevity of the
>> >bearings (they say "made in england," so they must be as old as the car
>> >too...) I haven't really finalized the work.
>> >
>> >Any thoughts on this odd suggestion?
>> >
>> >--
>> >Karl Shultz
>> >95 Integra GS-R, black, loud
>> >73 MGB, orange, only marginally drivable
>>
>>
>
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