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While Cut-Out Valves can be any shape or size, they ALL do exactly the same job and they are all operated in only one of two ways. The cut-out valve is an 'on/off' switch that controls the vacuum supply to the windchest (or stack). It is always located between the exhauster assembly and the stack, and because it's such a simple device, it rarely fails to operate correctly. The device can be either mechanically or pneumatically operated. If it's mechanically operated, there is a piece of linkage connecting the valve to the Play/Rewind lever. In the Play mode, the valve is 'open' (allowing air to be sucked out of the windchest -or 'stack'). In the Rewind (or Reroll) mode, the valve is 'closed' (so the notes don't play backwards is the roll rewinds). If the valve is pneumatically operated, there is another 'on/off' air switch (somewhere in the piano) that is mechanically operated by the movement of the Play/Rewind lever. So, in both cases it's accurate to say that the operation of the cut-out valve is directly or indirectly controlled by the movement of the Play/Rewind lever. However, components which are responsible for turning the switch 'on' and 'off' do sometimes fail. If the switch is turned on and off by mechanical linkage, you can disconnect the linkage at the cut-out switch and operate it manually. If it's pneumatically controlled, you can disconnect the small signal tube that goes to the valve and operate the switch by covering and uncovering the nipple. |
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Since "Player-Care" is an internet business, I prefer that we correspond via E-Mail (click here to fill out the 'Request Form'). However, if I'm not in the middle of some other activity, you can reach me at 732-840-8787. But please understand that during the hours from 8AM-5PM EST (Mon-Sat), I'm generally quite busy. So, I probably won't answer the phone. If you get the answering machine, please leave a detailed message stating the reason for your call. Also, repeat your name and phone number clearly and distinctly. By necessity, I prioritize everything in my life. And, if you call and just leave your name and number, and ask me to call you back, it might be a day or two before I return your call. Why? Because I don't know why you want me to call and I might not be prepared to assist you in an effective and efficient manner. If you leave me an E-Mail address (which I prefer), spell it out phonetically. The more you do to help me, the more I can help you in return. Don't rush. You have four minutes to record your message. |
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