RE: The parts book calls it a 'Rondella do sicurezza' (was: Gearbox lock washer)

["Paul Novak" <spammit@domain.elided>]

	I recently dismantled and have not yet re-mantled the gearbox that came in
my '73 spider.  Although it seems to be a mongrel gearbox in some ways (the
bell housing and the tail section both have a backup light switch,
suggesting that a  Frankensteinian reanimation at some point in the past),
it does not have a lock washer at the giubo end of the output shaft.
Instead it has the ring nut John H describes for 2000's (105.12.13.822.00).
The same nut is also found at both ends of the layshaft.

	The nut is locked in place by staking the nut into the groove on the shaft.
It has a kind of fillet which seems to be made for that purpose.  Another
way of describing the nut is that it is shaped something like a flat-brimmed
hat.  The brim is the ring nut and the top part of the hat is what you stake
into the groove to hold the nut in place.  If the lock washer is
unobtainium, the staking method with a 105.12.13.822.00 should work too.  If
it would help, I'd be happy to send you a picture off-digest.

>and probably 101s. The basis of my guess that it fits 101s is that the nut
it
>retains in all cases is 1358.16.065, whereas the 2000 omits the washer and
>uses a different nut 105.12.13.822.00, possibly an elastic stopnut?

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