Thanks both There isn't any way I can see either of lubricating the spring easily but some kind of a spring it must be to make it pop back out when the crank is removed
Yes, Alex, last night I did try and "work" it by the crank and was successful once in that I had to then
prise the protrusion back out afterwards and it took a few minutes but the second time I gave up
It might be that the likes of dry lube bike chain oil spray will be safest but no-one so far can say.
I cannot see it making things any worse so I think I am going to have to try something
The nature of the plastic doesn't look as if it would be damaged by isopropyl alcohol but even it does no harm there is nothing in it that does other than clean so some form of oil may be required for lubrication.
I have some very light clock oil which is applied by a syringe so no more than a drop can be given
Mike
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