One again, my MMM education takes a big leap forward thanks to you all!
Pete and others directed me to Chptr 11 Blowers for more info on the two
different shaped dynamo forks available on both the P and N types. I didn't
have
a clue and intentionally didn't read, as Chptr 11 has to do with "Special
Tuning for Trials" and I was just glad it ran!
After balancing the info coming in from the group... looks like I may have
vertically misaligned the forks (hence placing the flex plate in a bind)
whilst working on a "clatter" issue in the 90 degree gearing at the top of the
drive and the cam itself, this spring.
When Pete suggested I read Blowers and look at drawings and info about
the "flatter" dynamo fork, I didn't think there was a chance in hell that a P
110/8 P type fork existed anywhere. I should have known ... as one old pal
replied and said he had an extra one of each hanging around if I needed it!
I initially felt great that any damage seemed to be confined to the coupling
disk... and the fix being a simple replacement. Looks like I need to build a
more precise method to measure that disk lies perfectly flat.
As mentioned earlier, I had previously done some shimming up/down / fore and
aft, as I had a sloppy fit and whine at the beveled cam gear. However, I did
not do any serious double checking on the flex plate (like with the engine
running and a strobe light) after completing the work on the gear fit issue.
Ah to be a wiser and better informed man!
Thanks again to all
Don B.
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