Malcolm, you forgot the most important step!
First, Scott, buy a 6 pack of your favorite brew... ;-)
Alan Myers
San Jose, Calif.
'62 TR4 CT17602L
Malcolm Walker wrote:
>
> On Wed, 20 Jan 1999, scott suhring wrote:
>
> > Anyway. All options on how to proceed would
> > be much appreciated. BTW, I have never
> > used a bolt extractor so any suggestions
> > using one of these with a bit more
> > explanation would be appreciated.
>
> There are at least two kinds of bolt extractors that I know of. The
> first, "Ezee-Out" (or similar name), looks a bit like a tap with *really*
> coarse, left-hand thread. The idea with these extractors is that you put
> a hole in the stub left behind, offer the extractor up to the hole, and
> start "undoing" everything. The extractor winds itself into the
> hole-in-the-bolt, (it's tapered), eventually sticks, and all going well,
> will proceed to remove the chunk-o-bolt left in the nut. Often they
> break off and also tend to be harder than any known drill bit.
>
> The other kind just looks like a piece of square steel (actually square
> tempered steel). As before, you drill a hole... but instead of winding in
> the extractor, it gets bashed in. The square has sharp edges that are
> supposed to "bite" the metal and allow you to remove the broken bolt.
>
> I've had the most luck with heat and patience. (LOTS of patience). If
> you can get the broken bit RED hot, do so. If you can't, try to get a bit
> of heat on it; will do wonders for stuck things. Then you can use a punch
> to winnow the broken bit out, always hitting it in such a way that it
> "unwinds", until you can get vise-grips on the piece and take it out.
>
> If you can drill out the bolt, that should work too. You might have to
> re-tap the hole to get all the chunks out, and if you missed the bolt
> center and cut some threads away, heli-coils may be required.
>
> Sometimes you can get bolts out with a screwdriver if you can bash it in
> so that it grabs (like the extractors). You usually wreck a whole bunch
> of tools this way, but it SOMETIMES works. (get an extractor instead)
>
> hope this helps,
> -Malcolm
> * There is a FAQ for this list! Its temporary home is:
> http://www3.bc.sympatico.ca/walker/triumph/trfaq.htm
--
MZ
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