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How thick is too thick (replacing pallet felt)

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On my hohner student II the pallet valves need to be replaced. As of right now they've compressed almost to less than 1mm. Would there be an issue if I replaced the felt with valve material between 3mm to 4mm? I know I'll have to adjust the pallet rods regardless, but will I have an issue where the existing rods are too short?
 

debra

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It should not be an issue when you replace them with something like 3mm. If you don't adjust the rods the key travel will become a bit less but that too may not be a really big deal (although the effect will be larger on the row with short lever arms than the one with longer arms.
Adjusting the levers isn't too hard when you use the proper tools, caled "torciferri".
See http://www.carinidena.it/MS5ECOMMERCE60/jsp/eco_cc_home_bs_portlet.jsp?p=dettarti&codarti=99501
(There is one for rods that are 7mm tall and one for 8mm.)
 

Ffingers

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A question - would not the angle at which the pallets attack the aperture plate need to be adjusted where thicker felts are used?
 

JIM D.

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The answer is most likely yes. In most all cases of refacing pallets some realignment will become necessary.
 

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