Yamaha Alto Horn, Baritone, Euphonium Руководство пользователя - Страница 8
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Before You Play
Handling the Instrument
The instrument is made with thin metal so please handle it with care. Do not apply any
excessive force, or bump it in a manner that will dent or damage the instrument.
■ Applying Oil
Apply oil to the pistons
1.
Unscrew the valve cap and pull the piston
straight out of the valve casing until about
half of the valve piston is exposed.
2.
Apply about 10 drops of valve oil on the
piston.
Valve oil
* Do not apply too much oil.
3.
Slowly return the piston into the valve cas-
ing. At this time, make sure the valve guide
fits into the slot inside the valve casing. Af-
ter the valve cap is tightened firmly, move
the piston up and down a few times to
evenly distribute the oil over the piston.
* Each piston fits into its corresponding
casing. Make sure the number stamped on
the piston matches the number stamped
on the casing before returning the piston
into the valve casing.
* The pistons must be oiled to function
properly and smoothly.
24
Applying oil to the rotors
1.
Remove the valve cap and apply some ro-
tor spindle oil to the spindle and in the cen-
ter of the rotor.
Backside of the
instrument
Piston
* Do not apply too much oil
2.
Apply some rotor spindle oil to the rotor
spindle and its receiver. After closing the
valve cap, move the lever a few times to
distribute the oil evenly.
Receiver
Rotor spindle
* Do not apply too much oil
(Rotary Tuba Only)
Rotor spindle oil
Rotor spindle
Instrument's front
Rotor spindle oil