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Resumen del manual
Both can be connected together if necessary. 2. Insert the square support on the backside of the instrument and use screw E to adjust the leadpipe angle, then tighten screws C and D to secure it. Concert leadpipe Marching leadpipe Backside Square support Before You Play * The marching type mouthpipe may become stuck or difficult to remove if left in the tuba. Please use caution. D 27 ¦ Setting the Mouthpiece Insert the mouthpiece until it just fits snugly and is no longer loose in the leadpipe. ¦ Tuning the Instrument Slide the main tuning slide in or out to tune the instrument. Since temperatures have an effect on the instrument’s pitch, blow some warm air through the instrument to warm up the instrument before tuning. Mouthpiece * NEVER force the mouthpiece into the leadpipe, or hit it. The mouthpiece may become stuck in the leadpipe. Main tuning slide Before You Play 28 ¦ After Playing After playing the instrument, make sure that moisture or dirt is removed from it using the procedure described below. . Valve slide maintenance 1. Depress the piston or lever that corresponds to the valve slide you want to clean, and remove the slide. * Removing the valve slide without holding the piston down creates a drop in air pressure within the pipe, creating a suction which can result in poor piston function or damage to the inside of the pipe. 2. Remove moisture from the slide. Also, remove moisture from the water key. * The valve slides are made of brass or nickel silver which are both excellent at resisting corrosion. However, corrosion may appear if moisture is left in the instrument for an extended period of time. Please use caution. . Oil the pistons As done before playing the instrument, apply some valve oil to the pistons and move them up and down a few times. (See page 24) . Oil the rotors (Rotary tuba only) As done before playing the instrument, apply some rotor spindle oil to the rotors and move the levers a few times. (See page 24) . Body maintenance Use a polishing cloth to gently wipe the instrument’s surface. If dirt or tarnish is obvious, the following products can be used. For lacquer finishes Polishing cloth + lacquer polish For silver plate Silver cloth + silver polish For a beautiful shine, buff the instrument with a silicone cloth. Water Key Maintenance 29 ¦ Once or Twice a Month Maintenance . Piston and valve casing maintenance The pistons and valve casings are designed with very little clearance between each other therefore, it is very important that these precision parts be handled with care. 1. Wrap a cleaning rod with gauze so that no metal is exposed. * Exposed metal can damage the instrument. 2. Remove dirt from the inside of the valve casings. * In models that are equipped with valve springs under the valves, remove the springs from the valve casing before cleaning. 3. Use the gauze to remove dirt from the pistons. 4. After applying valve oil, gently return the piston to its corresponding valve casing. At this time, make sure ...
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