Buzzing Chromatic

["RICHARD A. MURPHY 312-996-8630" <U14663@xxxxxxxxxxxxx>]

The valves on my Chromatic have started to buzz.  Any suggestions as to
cause and cure?
Dick Murphy
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|Richard A. Murphy, PhD              Bitnet: U14663@xxxxxxxxxxxx    |
|University of Illinois at Chicago   Internet: U14663@xxxxxxxxxxxxx |
|Department of Oral Medicine         Fax: 1-312-996-1022            |
|  and Diagnostic Sciences           Phone: 1-312-996-8630          |
|801 S. Paulina                                                     |
|Chicago, IL 60612                                                  |
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