Engineering standards of 30+ years ago continue to baffle. Has anyone
identified a suitable tool or homemade appliance for more *easily*
connecting the 5000hp spring on the self-adjusting rear drums of
Innsbrucks? Possibly the same on TR4A onwards? This is the lower of
two springs that sits behind the half-shaft running from the
horizontal cross-lever to one shoe and not the bottom pull-off spring
operating on both shoes. After much swearing, I've eventually
relocated it, though how I didn't puncture an artery when the
screwdriver and various levers 'when they slipped' is something of a
mystery.
No doubt the concept was "a good idea at the time" - but the person
who designed it probably never expected to find himself working on it
at a later stage.
Jonmac
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