Yamaha YEP-201 Benutzerhandbuch - Seite 19

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Yamaha YEP-201 Benutzerhandbuch
Th e piston makes a metallic sound
when moved.
• Th e felt is torn or lost.
 Replace the felt with a new one.
• Th e screws on the piston valve or valve casing
are loose.
 Firmly tighten the screws.
• Th e piston shaft is bent.
 Contact the dealer from whom you pur-
chased the instrument.
Th e rotor lever makes a metallic sound
when moved.
• Th ere is contact or scraping with the lever's
springs.
 Oil the lever mechanisms with lever oil.
• Th e lever comes into contact with the pipes.
 Contact the dealer from whom you pur-
chased the instrument.
• Th e screws are loose.
 Firmly tighten the screws.
• Th e rotor and valve casing have come loose.
 Contact the dealer from whom you pur-
chased the instrument.
Water leaks from the slides.
• Not enough grease.
 Apply grease to the slides.
Troubleshooting
19