Author Topic: 112 action question - not all nots sounding  (Read 431 times)

Offline Whalerman

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112 action question - not all nots sounding
« on: February 11, 2020, 06:31:06 PM »
Hey all!   I'm not that experienced with piano actions, but I suspect my issue isn't going to be that hard for some of you!!!   Most of the notes on my 112 sound with only nominal key pressure, but some are silent - the only way to get a tone is to strike the key pretty hard.  I'd say this impacts about 10-15% of the keys.

I've looked through the 112 manual, and I believe the solution is spelled out somewhere in the "touch" section, but my lack of keyboard action knowledge and the terms associated with it are stopping me.  From what I can gather, it sounds as though I might need to adjust either/both the capstan screw and/or the regulating screw.  From my description, is there a sense what to start with?   My concern is I don't want to make things worse (not too big of a concern, but figure someone out there will have a piece of advice. 

The keyboard is definitely a 112, not a 112a. 

Thanks!!!

- Paul

Offline pianotuner steveo

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Re: 112 action question - not all nots sounding
« Reply #1 on: February 12, 2020, 06:54:10 AM »
It sounds like the notes that have to be hit harder are letting off way too early in the cycle. Experiment with ONE key only. Is this a 112 or 112A? (2 different actions) Your first post in another thread says 112(a), but it sounds like your action is the regular 112. The hook idea would not work in a 112A

Letting off too early is a very common problem with Wurlitzers that have not been serviced in eons.
The regular 112 requires a very thin flat blade screwdriver for let off adjustment. The 112A needs the special tool that some guy sells on eBay...😉
« Last Edit: February 12, 2020, 07:01:59 AM by pianotuner steveo »
1960 Wurlitzer model 700 EP
1968 Gibson G101 Combo organ
1975 Rhodes Piano Bass
1979 Wurlitzer 206A EP
1980 Wurlitzer 270 Butterfly Grand
2004 Hammond XK3
2009 73A Rhodes Mark 7
2009 Korg SV-1 73
2017 Yamaha P255
2020 Kawai CA99
....and a few guitars...

Offline Whalerman

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Re: 112 action question - not all nots sounding
« Reply #2 on: February 12, 2020, 03:07:51 PM »
Thanks!   I'll fiddle with one key and report back!   Definitely a 112, not a 112a - sorry about that!

Offline Whalerman

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Re: 112 action question - not all notes sounding
« Reply #3 on: February 13, 2020, 03:59:07 PM »
Well - success!   Yes, this was about the easiest fix so far, although I thought it would be the hardest.   Got nearly all of the keys sounding on a rather light touch.   I suspect there's refinement in my future, but right now it's playing pretty well.   On to the noisy amp issue...

Offline pianotuner steveo

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Re: 112 action question - not all nots sounding
« Reply #4 on: February 15, 2020, 06:22:23 AM »
Awesome.
1960 Wurlitzer model 700 EP
1968 Gibson G101 Combo organ
1975 Rhodes Piano Bass
1979 Wurlitzer 206A EP
1980 Wurlitzer 270 Butterfly Grand
2004 Hammond XK3
2009 73A Rhodes Mark 7
2009 Korg SV-1 73
2017 Yamaha P255
2020 Kawai CA99
....and a few guitars...