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RE: Engine out, crank and bearing cap damaged

To: "'Graham Stretch'" <technical@iwnet.screaming.net>, "'Triumph List'" <triumphs@autox.team.net>
Subject: RE: Engine out, crank and bearing cap damaged
From: "Hugh Fader" <hfader@usa.net>
Date: Sun, 24 Feb 2002 21:40:02 -0500
Graham,

You're right. I just took a real good look at the cap. You can see a mark
where the ends of the thrust washers contact the cap. It looks like there is
enough metal left so that a slot could be machined into the face of the
bearing cap where it was contacting the crank. I guess if I had this done on
at least the rear of the cap, then had all the washers pinned in place, I
would be in pretty good shape.

The only problem, is that the crank would have to be removed to replace the
bearings. This leads to another question for the list: Are there different
materials for the washers? If so, which is the longer lasting?

Thanks again,
Hugh

>
> Hi Hugh
> The ends of the thrust washers rest against the projections
> on the side of
> the bearing cap to stop it spinning. Once the washers fall
> out the crank can
> (and does when the clutch is depressed) float forwards and
> destroy the cap
> face. You are correct that the crank should never make
> contact with the cap,
> but you did say both washers were in the sump didn't you?
>
> Graham.

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