19
Troubleshooting
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.
