Good morning all,
Maybe it is because the coffee hasn't done it's job this morning, but I
am confused. OK, more confused than usual. ;-)
Last night I pulled one of my calipers on the TR3B to find the DPO ran
out of brake lining and scored the rotor pretty bad. No sweat, I was
going to have the rotors cut anyway. Knowing the look I will get at the
machine shop when I tell them the rotors are for a '62 Triumph, I opened
up the books to find the minimum acceptable rotor thickness.
Bentley TR2&3 manual and my Haynes TR250 and 6 manual (the TR3B has TR4
brakes, the same as the TR250) read pretty much the same.
This is the quote from Haynes:
"Inspect the discs for signs of excessive scoring and, if evident, the
discs may be reground but no more than a maximum total of 0.060 in
(1.524 MM) may be removed from the disc. The desireable finish should be
32 micro in. maximum when measured circumferentially and 50 micro in.
when measured radially."
If I don't have the spec for a new rotor, how do I know if someone has
already cut the .06 in.? What in the world is a micro inch? Am I missing
the obvious here? Did my wife switch us to decaf and not tell me?
--
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| Henry Frye E-mail thefryes@iconn.net |
| TR3B TCF1927 L http://www.iconn.net/thefryes/ |
| TR250 CD8096 L A Little Town In |
| TR250 CD1074 L Connecticut, USA |
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