With respect to #3--try to avoid loosening and tightening the clamp
bolt. The plate that bolts to the block (Moss "Clamp & Bolt
assy--#153-400) has oval holes so you can get a fair amount of adjustment
by moving the plate. This minimises wear on the thin shell of the
distributor that is caused by adjusting with the clamp bolt. There is a
description of this in the workshop manual, but it's not very clear and
is not emphasised.
Bob
On Sun, 30 Apr 2000 12:40:52 -0700 Max Heim <mvheim@studiolimage.com>
writes:
> 1. No, you don''t have to pull on it, it just rotates. There is an
> internal spring, so there is some resistance.
> 2. Yes, you can hit an end point in either direction. I *think* I
> recall
> that the entire range of adjustment is less than 10 degrees. If you
> run
> up against the end point you will have to rotate the distributor
> itself
> to get the timing where you want it.
> 3. To rotate the distributor you loosen the clamp bolt on the collar
>
> which is bolted to the block (see your manual). Be very careful when
>
> retightening this bolt! The part of the distributor housing where it
>
> clamps is merely a thin pot-metal shell, and is easily crushed. The
> clamp
> can act as a pair of shears, especially if it is not on perfectly
> straight. This is probably the single most common cause for
> distributor
> replacement.
> 4. A hint: when you have the clamp bolt loose, first get the Vernier
> in
> the center of its range of motion, then adjust the timing by
> rotating the
> distributor. This will set you up for next time, so that you will be
> able
> to use the Vernier for up to 5 degrees adjustment A or R from where
> you
> are now.
>
> Good luck.
>
> Rick Wagner had this to say:
>
> >OK..Thanks for all the replies yesterday about pulling the vacuum
> hose
> >off. Now I have used the timing light, and it is off some so I want
> to
> >adjust it. The Bently book indicated that 55 clicks with the
> Vernier (sp?)
> >in either the A or R direction can adjust it 5 degrees. My question
> is how
> >difficult should it be to move that little vernier wheel? is there
> a set
> >on it, do you need to pull down on it or push up b4 turning (Like
> one of
> >those safety caps on a pill bottle) Also is the Vernier a dial that
> will
> >just continue to rotate or if you go so far in the A or R direction
> will
> >you hit and end point?
> >
> >Thanks in Advance (Every day I am learning new things)
> >
> >-Rick
> >--
> >-----------
> >Rick Wagner
> >'71 MGB
> >
> >
> > "No amount of genius can overcome
> > a preoccupation with detail"
> >
> >
> >
>
>
> --
>
> Max Heim
> '66 MGB GHN3L76149
> If you're near Mountain View, CA,
> it's the red one with the silver bootlid.
>
|