Disklavier

Good afternoon, everyone.

The lighter spring may be fine if the piano is just used to play  
itself. Depending upon how light it is, an experienced pianist may or  
may not like the feel of the sustain pedal with the lighter spring.

Regards,
PianoBench


www.georgelitterst.com
www.timewarptech.com

On May 21, 2009, at 2:42 PM, Julien Roche wrote:

>
>
>
> Yes, I just lighten the spring and everything very ok. Looks very  
> strange. The spring is not supposed to be replaced as integrated in  
> the wooden part.
> Good evening and thanks a lot for you precious help
> Julien
>
> From: Spencer_Lists <lists@...>
> To: Julien Roche <disklavier@yahoogroups.com>
> Sent: Thursday, May 21, 2009 8:32:03 PM
> Subject: Re[2]: [disklavier] Pedal problem Disklavier Mark IV  
> (excessive heat)
>
>
> Greetings Julien,
>
>
>
> so what was the solution? did you just lighten the spring or did i  
> miss something else that you did?
>
>
>
> does anyone know if Yamaha ships pianos with a strong spring for  
> shipping only that is supposed to be replaced?
>
>
>
> Thursday, May 21, 2009, 11:20:38 AM, you wrote:
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> Finally after 7 hours of continuous playing, if works perfectly and  
> no more pedal problem, temperature of the box is more than reasonable.
>
> Maybe I shall notify this problem to YAMAHA for some other users  
> geting the same problem, but I do not know how to proceed.
>
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> From: athomik <mail@mangeztout. co.uk>
>
> To: disklavier@yahoogro ups.com
>
> Sent: Wednesday, May 20, 2009 10:47:49 AM
>
> Subject: Re: [disklavier] Pedal problem Disklavier Mark IV  
> (excessive heat)
>
>
>
>
>
> The pedal should work fine playing all day. There is obviously  
> something wrong with this pedal.At this point, I would get a  
> technician to have a look at it.
>
>
>
> athomik
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>
> On May 19 2009, Julien Roche wrote:
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> >
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> >Were about 6mm play in the loud pedal that I adjusted to zero with  
> the upper gold colored screw and the stroke is reduced from 15,51mm  
> to 9,75mm according to calibration procedure of Service Center.
>
> >
>
> >Now the pedal is stopping working (too hot, protection working)  
> after 1h15mn of normal piano playing. It is normal ?
>
> >
>
> >If yes, what do you think with very low noise external  forced  
> ventilation as the radiator looks under designed, same size as for  
> the other pedal,  which is not working so much and stayed reasonably  
> low in temperature, they have the same size which looks strange in  
> design.
>
> >
>
> >If no, any additional sugggestion ? Thanks.
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> >____________ _________ _________ __
>
> >From: athomik
>
> >To: disklavier@yahoogro ups.com
>
> >Sent: Tuesday, May 19, 2009 12:51:37 PM
>
> >Subject: Re: [disklavier] Pedal problem Disklavier Mark IV  
> (excessive heat)
>
> >
>
> >
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> >
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> >
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> >
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> >If the lines on the pushrods line up as per the instructions inside  
> the solenoid cover, and there is no excessive play in the rod (try  
> shaking it side to side), then the overall geometry of the pedal/ 
> pushrod/ damper lever is not correct. This would be a job for a  
> piano technician. If you do get play in the pushrod (at the bottom  
> of the solenoid), there are two gold coloured screws at the top  
> andbottom of the solenoid which can be adjusted. They should be in a  
> position where you just remove the play in the push rod. If the  
> screws are too tight, the solenoid has to work overtime, which can  
> cause overheating.
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> >gher than edge line F when the loud pedal is fully  depressed.)
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> >>
>
> >>Maybe solenoids adjustments ?
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> >>
>
> >>Great thanks for your help !
>
> >>Julien
>
> >>
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> >>
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> >>
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> >>
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> >>
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> >>____________ _________ _________ __
>
> >>From: athomik
>
> >>To: disklavier@yahoogro ups.com
>
> >>Sent: Monday, May 18, 2009 12:11:05 PM
>
> >>Subject: Re: [disklavier] Pedal problem Disklavier Mark IV  
> (excessive heat)
>
> >>
>
> >>
>
> >>
>
> >>
>
> >>
>
> >>The pedal should not need any extra cooling. You need to make sure  
> that the pedal is properly set up (get your technician to check) and  
> the solenoids need to be adjusted properly. Once everything is  
> physically OK, you need to run the pedal calibration procedure from  
> the Service Center. I have come across this several times, and every  
> time it was down to the fact that the pedals haven't been re- 
> calibrated after the lyre was re-attached.
>
> >>
>
> >>athomik
>
> >>
>
> >>On May 18 2009, julien.roche@ ymail.com wrote:
>
> >>
>
> >>>Hi,
>
> >>>
>
> >>>Again problem with my grand piano that stops right pedal working  
> after about 40 minutes of normal work because of overheating  
> protection.
>
> >>>
>
> >>>Anybody has suggestion ? Tuning of pedal is ok. Maybe adding  
> ventilators to cool the metal box on top of pedal ? Radiator is  
> terribly hot.
>
> >>>
>
> >>>Thanks
>
> >>>Julien
>
> >>>
>
> >>>
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> >>>
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> -- 
>
> Best regards,
>
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