Author Topic: Sluggish cp-70 action  (Read 922 times)

Offline EauClaireGuy

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Sluggish cp-70 action
« on: January 05, 2019, 09:06:17 AM »
Hey guys, my cp-70 has one key that's a little on the sticky side. When I took a peak underneath it seems the hammer doesn't return quickly. Any thoughts?

Offline bourniplus

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Re: Sluggish cp-70 action
« Reply #1 on: January 09, 2019, 10:37:07 AM »
Hi,
Without being there it's hard to say. Can you take out the action, inspect visually and operate each part manually: wippen, hammer, etc.? Could be a tight center pin, hammer rubbing on its neighbour...

Offline pianotuner steveo

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Re: Sluggish cp-70 action
« Reply #2 on: January 27, 2019, 12:58:29 PM »
Yes, it could be many things, but likely easy to repair. First thing to look for is usually key bushings that need to be eased, or maybe something (like a penny or a guitar pick) is stuck between the key and a neighbor...
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...