User Manual

18
Troubleshooting
Tone is not clear and pitch is poor.
•  e valve felt or cork is damaged.

Replace the felt or cork with a new one.
• A large amount of dirt has accumulated
inside the instrument.

Wash it out.
•  ere is a large dent in the tubing or air is
leaking. Or the mouthpiece is loose and air is
leaking from around the mouthpiece.

Contact the dealer from whom you pur-
chased the instrument.
No sound.
•  e holes in the pistons are not aligned with
the holes in the valve casings.

Make sure that the number stamped on the
piston matches the number stamped on the
valve casing.
 e valves are sluggish.
• Dirt has accumulated between the pistons
and valve casings.

Clean the inside of the valves.
• Dust has scratched the inside of the valve
casings.

Wash out the dust as soon as possible.
• Dropping or hitting the piston has damaged
it.

Never use the instrument with a damaged
piston. Contact the dealer from whom you
purchased the instrument.
•  e pistons or valve casings are corroded.

Contact the dealer from whom you pur-
chased the instrument.
 e rotors are sluggish.
• Dirt has accumulated between the rotors and
valve casings.

Oil the lever mechanisms with lever oil.

Contact the dealer from whom you pur-
chased the instrument.
 e valve slide is stuck and cannot be
removed.  e slide is sluggish.
•  ere is dirt or dust inside the slide.

 oroughly remove dirt and apply some
slide grease that matches the type of slide.
Or apply some tuning slide oil to the slide.
• Dropping or hitting the slide has caused a
dent, or the slide was bent while cleaning.

Contact the dealer from whom you pur-
chased the instrument.
 e screw is too tight and cannot be
removed.
•  e screw is corroded.
• Hitting the instrument has damaged the
screw.

Contact the dealer from whom you pur-
chased the instrument.
Air does not pass through the instru-
ment.
•  e piston is in the wrong valve casing.

Set the piston into its proper valve casing.
 e mouthpiece cannot be removed.
•  e instrument was dropped or hit with the
mouthpiece attached. Or, the mouthpiece
was inserted with too much force.
•  e instrument has been left for a long
period of time with the mouthpiece inserted
in the instrument.

Contact the dealer from whom you pur-
chased the instrument.
 e instrument makes an abnormal
sound when played.
• Solder on the instrument has come loose, or
a foreign object is in the pipe.

Contact the dealer from whom you pur-
chased the instrument.