User Manual
33
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.