"If" you did have the chain off somehow, a clam shell type puller placed
between the two sprocket rows would be the way to get the crank sprocket
off.
When going back together, thoroughly deburr/smooth the crank, cam, &
inside the sprockets. I would trial fit new keys also & finish them as
necessary to get a perfect jam free fit in both the shafts & hubs. Check
all parts for easy but precise fits before final assembly. In some
cases, there may be shims behind the sprockets to set perfect chain
alignment.
I agree, the chain is sacrificial. Damaging the crank or cam is not an
option. Any wedging is likely to damage the crank or cam shoulders.
Dave Russell
Greg Lemon wrote:
>I mentioned off list putting screwdrivers or a suitably sized wedge behind
>the gear and gently tapping on the end of the crank while protecting the
>threads, as you get more clearance you put the wedge in farther, this would
>not damage the chain, I don not like to damage parts either, but if you want
>to use a puller at $10 bucks the timing chain is one of the cheaper healey
>parts out there, acually at that price even cheapskate like myself might go
>ahead and replace it while the cover was off even if it wasn't damaged.
>
>Greg Lemon
>54 BN1
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