Yamaha Sousaphone Manual do Proprietário - Página 16
Procurar online ou descarregar pdf Manual do Proprietário para Instrumento musical Yamaha Sousaphone. Yamaha Sousaphone 22 páginas. Owner's manual
Imprimir páginaTroubleshooting
Tone is not clear and pitch is poor.
• The valve felt or cork is damaged.
➞ Replace the felt or cork with a new one.
• A large amount of dirt has accumu-
lated inside the instrument.
➞ Wash it out.
• There 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
purchased the instrument.
No sound.
• The 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.
The 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.
• The pistons or valve casings are
corroded.
➞ Contact the dealer from whom you
purchased the instrument.
The 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
purchased the instrument.
32
The valve slide is stuck and
cannot be removed. The slide is
sluggish.
• There is dirt or dust inside the slide.
➞ Thoroughly 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
purchased the instrument.
The screw is too tight and cannot
be removed.
• The screw is corroded.
• Hitting the instrument has damaged
the screw.
➞ Contact the dealer from whom you
purchased the instrument.
Air does not pass through the
instrument.
• The piston is in the wrong valve
casing.
➞ Set the piston into its proper valve casing.
The mouthpiece cannot be removed.
• The instrument was dropped or hit
with the mouthpiece attached. Or, the
mouthpiece was inserted with too
much force.
• The instrument has been left for a
long period of time with the mouth-
piece inserted in the instrument.
➞ Contact the dealer from whom you
purchased the instrument.
The instrument makes an abnor-
mal sound when played.
• Solder on the instrument has come
loose, or a foreign object is in the pipe.
➞ Contact the dealer from whom you
purchased the instrument.