Yamaha YOB-241 Manual del usuario - Página 6
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Before You Play
Handling the Instrument
The instrument is made of a thin metal so please handle it with care. Do not apply any
excessive force to the instrument, or bump it in a manner that will dent or damage it.
■ Attaching the Screw-On Bell
When attaching the screw-on bell, always hold
the bell by its mid section and assemble. Do
not over-tighten.
■ Lubrication
Oiling the Rotors
1.
While holding the levers down, remove the
valve slides then apply rotor oil to the ro-
tors as shown in the illustration below (a
few drops per rotor).
* Apply oil if the lever does not work
smoothly.
* When applying oil, do not let the oil mix
with the slide grease adhering to the valve
slide's interior.
22
2.
Move the levers so that the oil is spread
evenly.
■ Attaching the Mouthpiece
Gently insert the mouthpiece into the
mouthpipe.
* Never force the mouthpiece into the
mouthpipe. The mouthpiece may become
stuck in the mouthpipe.