Author: Chris P
Date: 2018-09-10 02:54
Check the F vent is closing fully along with the RH2 (middle) fingerplate - hold down RH3 to free the F vent, then close RH2 (with RH3 still being held down) and check both RH2 and the forked F vent pads are closing together. Also check both RH2 and 3 are closing the F# key as well (the small pad cup between RH1 and the RH C-D trill key).
If the F vent is staying open even by a tiny amount, then adjust it until both pads close together. The adjusting screw is usually on the F vent tail or on some Lorees, it's the one on the arch of the F vent rocker nearest the F vent key itself (not the one further up the lower joint by the F key pad cup).
Expect to be chasing your tail whilst checking the RH main action and the forked F vent to be sure it's all well regulated.
I've often seen oboes having been recently serviced by repairers more used to working on flutes or clarinets which haven't got anywhere near as complex mechanisms as oboes and they tend to overlook the closed-standing F vent mechanism, only seeing it is closed when RH3 is raised but not checking its adjustment with both RH2 and 3 held down together, so they usually pack up below E as a result.
Former oboe finisher
Howarth of London
1998 - 2010
Independent Woodwind Repair Specialist
Oboes, Clarinets and Saxes
NOT A MEMBER OF N.A.M.I.R.
The opinions I express are my own.
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