User Manual

34
Troubleshooting
The piston makes a metallic sound
when moved.
• The felt is torn or lost.
➞
Replace the felt with a new one.
• The screws on the piston valve or valve cas-
ing are loose.
➞
Firmly tighten the screws.
• The piston shaft is bent.
➞
Contact the dealer from whom you pur-
chased the instrument.
The rotor lever makes a metallic sound
when moved.
• There is contact or scraping with the lever’s
springs.
➞
Oil the lever mechanisms with lever oil.
• The lever comes into contact with the pipes.
➞
Contact the dealer from whom you pur-
chased the instrument.
• The screws are loose.
➞
Firmly tighten the screws.
• The 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.