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Showing results for tags 'spring pressures'.
What device/gauge is recommended to check the key pressure? (and how?) How should any adjustments be made? My springs (brass I believe) are all in good condition but one particular key has a significantly lower pressure than the others. It’s a Lachenal non-riveted action. Thanks in advance Roger
(See attached image) A quick plea from the C & R Dipper & Son concertina workshop: Who ever is 'wonking' these springs and ruining them in the delightful misbelief that a super-light action won't leak, will you please stop! This is the second instrument we have had in recently, where almost all the springs which were in perfectly good condition, will now need to be replaced, due to the spring-wonker's antics!