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Istruzioni per l'uso Yamaha, Modello YBB-631S

Produttore : Yamaha
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Strumenti Musicali - YBB-631S (9.73 mb)

Strumenti Musicali - YBB-631S (9.73 mb)

Strumenti Musicali - YBB-631S (9.73 mb)

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 that the valve guide properly fits into the notch. After firmly tightening the valve cap, move the piston up and down a few times to distribute the oil evenly. * Do not apply too much oil. * Make sure that the number stamped on the valve casing matches the number stamped on the piston. The piston is the most important part of the instrument. Never treat the pistons roughly, drop the piston, or let the piston fall, etc. If the piston becomes damaged or dented, never return it to the valve casing. Contact the dealer from whom you purchased the instrument. . Rotor and valve casing maintenance As done before and after playing, apply some rotor spindle oil to the rotors and valve casing. Also, apply some lever oil to the lever shaft. Cleaning rod Gauze Maintenance 30 . Valve slide maintenance 1. Wrap a cleaning rod with gauze so that no bare metal is exposed. * Exposed metal can result in damage to the instrument. 2. Remove dirt from the inside of the inner and outer sections of the valve slide. 3. Use the gauze to remove dirt from the valve slide’s surface then apply a little slide grease to the surface of the inner section of the valve slide. 4. Slide the valve slide in and out a few times to distribute the grease evenly. . Other maintenance Use a fine gauze to carefully clean those places that are difficult to clean such as the backsides of slides, etc. Always store the instrument in its case when taking a break, during transport, and after playing. Always remove and disassemble the mouthpipe assembly before placin...