I think Chuck put it perfectly. I ran into the same problem on a ribcase I
had before the 5-sp and I ended up putting a washer on the 1/2 gear shift
rod (rear side). I thought it was a MickeyMouse fix but it worked
perfectly. Now I find out the factory did it on gold seal gear boxes! If
you open the side cover on the gearbox and can see that the balls are
visible at the front edge of the 1/2 slider, there is a slight chance that
you can exert lots of force on the shifter while you push the balls in with
a pointy object while maintaining shift force and turning the shaft with
your third hand to reach the balls each in turn. More likely, you'll end up
stripping the box.
Good luck
Glen
> the real serious problem you have will require disassembly of the gear
> box!
> often the first gear slider or synchro hub assembly goes over center (past
> either extreme of engaugement towards first or second gear) causing any or
> all of the 3 detent balls to come partially out of their respective bores
> just far enough that they will not return nor eject out . this effectivly
> locks up the gear box in usually first gear.
> the fix that the BMC gold seal gear boxes used was quite literally a
> washer
> slipped onto the first / second gear shift rail to limit travel of the
> rail
> in it's forward motion (engauging first gear) to keep this from happening
> in known offenders! seriously! if you dismantle the gear box, put
> evrything back where it belongs, and stick a washer onto that shift rail
> it
> should not do this again!
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