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RE: TR4 Brake Calipers

To: Schloss3@aol.com, triumphs@Autox.Team.Net, "'Cliff Hansen'" <chansen@anr.net>
Subject: RE: TR4 Brake Calipers
From: Gernot Vonhoegen <gernot.vonhoegen@stir.ac.uk>
Date: Fri, 13 Nov 1998 13:16:32 -0000
well, there might not be  a problem with splitting the calipers, there's
just no point in doing so. At least I can't see it as th pistons go out
easier with the caliper still in one piece (i.e. hydraulicly plus there's
really nothing to see inside the caliper. 

> ----------
> From:         Cliff Hansen[SMTP:chansen@anr.net]
> Reply To:     Cliff Hansen
> Sent:         Thursday, November 12, 1998 11:22 PM
> To:   Schloss3@aol.com; triumphs@autox.team.net
> Subject:      Re: TR4 Brake Calipers
> 
> 
> Paul,
> 
> I don't know about the very early TR4 calipers that you might have, but
> the later TR4 and TR4A calipers can be rebuilt.  Moss' catalog shows the
> differences, basically, TR3A/B calipers got used on the first 4000 TR4s.
> 
> I got a Beck-Arnley rebuild kit for the TR4A calipers that included the 
> o-rings.  TRF provided torque specs that they use to rebuild calipers 
> (45 ft-lbs for the small bolts, 75 ft-lbs for the large ones) earning them
> the sale of some pistons.  Don't know why Moss has that note in
> their catalog, no-one else seems to think there's a problem.
> 
> 
> At 07:56 PM 11/12/98 EST, Schloss3@aol.com wrote:
> >
> >Taking a survey here.  For you TR4 owners, what type of brake calipers
> have?
> >I have a choice between the split caliper type and the one piece type
> with
> the
> >bridge pipe.  The split calipers are apart and according to Moss, this
> should
> >not have been done because of the lack of information to rebuild them.
> Also,
> >there are O rings between the two halves does not seem to be available.
> Has
> >anyone had these sucessfully rebuilt?  The easy solution would be the one
> >piece calipers, but wanted to find out whether getting them back together
> was
> >feasible.  By the way, the PO had dismantled these, not I.  I've ordered
> >rebuild kits and pistons since they are the same for both types.  I want
> to
> >get new hoses and these are different.
> >
> >Paul Brandsema
> >High Point, NC
> >61 TR4 CT133
> >
> Cliff Hansen
> chansen@anr.net
> 1966 TR-4A CTC 64615L
> 

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