[T3] Dist trigger points?

[William Jahn]

I just sent the photos to show what I have. Once I get everything cleaned
up I'll set up the shims to center the trigger point cam then see what I
need above the drive dog. If I can only fit one fiber and one steel the
fiber will go first then the steel . I thought a steel shim should not be
against the bottom . I cannot recall how I did the AH in 2009. I think
there was only space for one steel shim. Depends I think I have 5 different
steel shim thickness and what I need to center the trigger cam. I have a
total of 4 if I use more since each only had 2 . I ordered some red fiber
washers from amazon that have 6 sizes and one size fits the weight pin.
Since they don't have the load or spin fast like the shaft they should
live.

On Wed, Sep 21, 2022 at 8:10 PM Jim Adney <jadney at vwtype3.org> wrote:

> On 20 Sep 2022 at 1:44, William Jahn wrote:
>
> >  I was able to get the drive dog pins out of both the AJ and AG, the AJ
> was
> > much more difficult and its drive dog has some dings on both the two ears
> > or whatever they are called. One the AG it came out easy and the dog
> looks
> > great. Now all I need to do is see which parts make the best unit.
>
> I generally inspect the drive dogs to make sure there are no burrs that
> might
> cut into something else. Other than that, there's nothing to worry about.
>
> >  I did notice the notch for the vacuum can is larger on the AJ. Yet the
> > single can from the AH and AG fit the hole spacing perfectly.
>
> I'm surprised, I thought VW started making those cans non-interchangeable.
> I get a lot of distributors with modified cans so they can use Beetle cans
> on
> Type 3 distributors.
>
> >  Also the advance plate that came on the AH has the ball with the spring
> > steel cover that's not screwed on , it slips on with a built in clip part
> > of the spring steel piece. I could not use that plate with the pertronix
> > because the ground braid is short , it works fine with points. The AG has
> > the screw type.
>
> That's a later replacement point's plate. Bosch redesigned it a couple
> times.
>
> >  Now I know why when I had the AJ in my car why it suddenly began to
> ping.
> > Once I took it apart in the trigger cam recess it had a steel shim then a
> > fiber washer then another steel shim . I imagine you need a steel shim to
> > ride on the upper bushing.
>
> That's typical: steel/phenolic/steel. I try to check to see that that the
> cam
> ends up in the center of the window where the FI trigger points install.
>
> > Now on the base where the drive dog is there was
> > only an old broken fiber washer and no steel shims,
>
> Shims vary here. There's  always at least 1 steel shim and one phenolic
> shim, but the shims can vary in thickness, and often it's
> steel/phenolic/steel.
>
> > As for the pinging, one fiber washer under one weight pivot was gone and
> the
> > weight was dragging. Some breakdowns I see show an E clip on top of each
> > weight , all three of mine use the springs to secure the weights.
>
> No E-rings on any of the FI distributors.
>
> >  The AG was the same way in the trigger cam recess. It also is missing
> one
> > fiber washer under one weight
>
> Those often crack and disappear. I replace them with nylon or paper
> washers.
>
> Don't know why you sent me 24 mBytes of photos of distributor. I've seen
> them before.
>
> --
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
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