Ian,
That is exactly what I wanted to know. Well answered, You have helped
me a lot. Thank you.
Ian Stuart wrote:
> On Thursday 21 June 2001 16:08, you wrote:
> > The yellow knob will not stay down under any circumstances. If held,
> > it will work. What is it that physically/mechanically hold it down
> > until you move the red back/forwards?
> > Thanks
> Having taken one of these apart recently, I know this one...
> Note: the specifics of which rod does what may be wrong, but the
> concept is correct.
>
> This is much easier to follow with a gearbox to look at ;)
>
> As always, your primary reference should be a workshop-style manual..
>
> In the "nose" of the transfer box (the bit that is parallel to, and
> right of, the main gearbox, there are two rods.
>
> The two rods are linked together with a piece of "H" shaped metal, so
> one can move the other back by using the "H" as a fulcrum:
>
> <this needs a fix-width font>
> ========*====0 <-- red lever?
> %
> ========+====
> <end of fix-width font>
>
> One (the inside one?) has the red-topped lever attached to it, and the
> other terminates inside the dust cover.
>
> The inside rod controls a cog that engages low box in the main transfer
> housing
>
> The outside one (by the above logic) has a large spring along it's
> length, which tends to push the rod to the front. This rod engages 4WD
>
> In the rest position: 4x2xhigh, the red lever is forward, and the
> yellow lever is up. The yellow lever is attached to a pin that goes
> into the very end of the "nose". This pin is holding an "h" shaped
> piece of metal in place.
>
> <this needs a fix-width font>
> ========*====0 <-- red lever?
> % <-- pivoting "H" piece
> %
> ========+====
> <end of fix-width font>
>
> By moving the red lever back, you force the other rod forwards, thus
> engaging low box (by moving cogs with the red-lever-rod) and 4wd, by
> allowing the other rod to be pushed forwards by the spring
>
> Thus:
> <this needs a fix-width font>
> =======*====0 <-- red lever?
> % <-- pivoting "H" piece
> %
> ========+====
> <end of fix-width font>
>
> By moving the red lever forwards, you pull the 4wd rod backwards
> (compressing the spring), disengaging 4wd.
>
> >From the rest position again, by pushing the yellow lever down, this
> lifts the pin that is holding the "H" pivot in place, and the 4wd rod
> is again pushed forwards by the spring, however the Hi/Lo rod has not
> moved, so the vehicle is still in high box.
>
> Thus:
> <this needs a fix-width font>
> ========*====0 <-- red lever?
> % <-- pivoting "H" piece
> %
> ========+====
> <end of fix-width font>
>
> The problem now is that the "H" piece is in the wrong position for the
> pin to be re-inserted, so the Hi/Lo lever has to be pulled backwards to
> angle the "H" piece
>
> So, by moving the red lever to the rear, the spring that you see above
> the tunnel can push the yellow lever up - which therefor pushes the pin
> into the newly re-aligned hole (you are now in 4x4xlow.
>
> Therefor you can once again move the red lever forwards, and the "H"
> piece will picot about the pin, and dis-engage 4x4.
>
> --
> --==**==--
> Ian Stuart - EDINA, DataLibrary, University computing services.
> ---------------------------------
> A man depriving some village, somewhere, of a first-class idiot
> ---------------------------------
> http://lucas.ucs.ed.ac.uk/
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