Bill,
Your not kidding, Those bolts are tuff. Thanks for your input.
Pat 63 Spitfire ( now in even more puzzle pieces)
RON E KRANTZ wrote:
> The secret to getting the three set screws out without breaking them is to
> hit the head of the screws with a sharp blow of a hammer. they will then
> turn out like butter. If not, hit them again. It works every time.
> Ron
> ReK Racing
> ----- Original Message -----
> From: Bill Kelly <bk54@erols.com>
> To: Patrick Baize <speedracre@netzero.net>
> Cc: Spitfire List <spitfires@autox.team.net>
> Sent: Sunday, November 14, 1999 11:00 PM
> Subject: Re: Gearbox top cover
>
> >
> > Pat,
> >
> > 3-rail gearbox top cover disassembly is straightforward. I believe all
> > operations are performed with the unit upside down on a bench.
> >
> > First you need to punch out the endcaps at both ends of each rail. There
> > are angled holes drilled from the bottom of the top cover casting, that
> > let you get a punch behind the caps. All you need is a hammer, and of
> > course an appropriate diameter punch.
> >
> > Next, loosen the 3 square-head set screws that hold the selector forks
> > to the rails. The heads will want to break off. You don't want them to!
> > Be very gentle. If you do snap one off, don't go on to the next step
> > till you've loosened all 3. Yup, we're talking easy-out.
> >
> > Slide the rails out the front end. WARNING! There is an interlock
> > arrangement between the shafts, involving two ball bearings and a pin
> > through the centre shaft. Do one of the outer shafts first. A bearing
> > will drop out after an inch or 2 of shaft movement. (if you remove the
> > centre shaft first, both BBs will fall out at about the same time,
> > you'll catch one of them, and the other one will roll away). WARNING!
> > There are spring-loaded plungers that will want to fly out the round
> > holes in the underside of the casting, once the end of the shaft passes.
> > You don't want them to!
> >
> > That's about it, except to say that assembly is the reverse.
> >
> > Write back off list if you need any clarifications.
> >
> > Bill Kelly
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