User manual YAMAHA T-50C

[. . . ] Doing so may result in damage to key balance, linkage, or pads, resulting in problems during performance. Do not modify the instrument. Besides voiding the warranty, modification of the instrument may make repairs impossible. In regards to brass instruments with a plate finish, the color of the finish may change over time however, it should be of no concern in regards to the instrument's performance. Discoloration in its early stage can easily be removed with maintenance. (As discoloration progresses, it may be difficult to remove. ) * Please use the accessories that are specified for use with the particular type of finish found on the instrument. Also, metal polishes remove a thin layer of the finish's top coat which will make the finish thinner. [. . . ] Please be aware of this before using polish. 17 Nomenclature Tenor Trombone Bell Tuning Slide Mouthpiece Water Key Slide Brace Balancer Slide Bumper Slide Receiver Slide Stopper Slide Lock Ring Tenor Bass Trombone Bell Tuning Slide Mouthpiece Water Key Slide Brace F Attachment Tuning Slide Rotary Valve Rotary Valve Lever Slide Stopper Slide Receiver Slide Lock Ring Slide Bumper 18 Nomenclature Bass Trombone F Attachment Tuning Slide Mouthpiece Bell Water Key Slide Brace Tuning Slide Rotary Valves Slide Stopper Slide Receiver Slide Slide Lock Ring Bumper G Attachment Tuning Slide Rotary Valve Lever Slide Outer Slide Inner Slide * Due to improvements, specifications and appearance may change without notice. 19 Before Playing Handling the Instrument The instrument is made with very 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. Removing the Instrument From Its Case 1. Holding the instrument with both hands, gently remove the instrument from its case. Slide Braces Preparing the Slide 1. * Holding only the main section of the instrument can result in damage to the bell, so please hold on to both the bell and the main part of the instrument when removing it from the case. Remove dirt from inside of the inner slide then apply a bit of slide cream on the slightly thicker end sections of the slide. Inner slide 2. When removing the slide from the case, hold the slide with both hands hooking a finger on the slide brace to keep the slide from moving, and gently lift the slide out of the case. Apply slide cream to these parts * Do not use slide grease on these parts. 2. After applying slide cream, use a water spray bottle to moisten the slide sufficiently. * Always hold the slide with both hands. * When carrying only the slide, make sure that both of the slide braces are held together to prevent either section of the slide from dropping. 20 Before Playing 3. Put the outer slide on the inner slide and slide the two sections back and forth several times to distribute the cream evenly. Oiling the Rotary Valve On tenor bass trombones and bass trombones, apply rotor oil directly to the rotary valve through the slide receiver. Bell * The amount of slide cream applied to the slide has an effect on how smooth the slide moves. Experiment with different amounts of cream to determine the optimum amount necessary. * If the slide becomes sluggish while playing, moisten the slide with the water spray bottle. Receiver * Rotor oil adhering to the inside of the receiver can attract dirt and dust to the rotary valve resulting in poor function. Preventing the Slide From Coming Off The slide consists of outer and inner slide sections. Make sure that the slide lock ring is securely locked to keep the outer slide from accidentally coming off when assembling the instrument, etc. Slide Stopper Slide Lock Ring Outer Slide When Locked 21 Before Playing Assembling the Instrument 1. After confirming that the slide lock is locked, hold the slide by the slide brace and rest the bumper on the floor. 4. After attaching, tighten the slide receiver to secure the slide in place. Receiver Slide Receiver Slide Stopper 2. Also apply small amounts of rotor spindle oil to the rotor rotation shaft and its receiver. After applying oil, close the valve cap and move the lever a few times to distribute the oil evenly. Apply oil here Rotary Tuning Slide Rotary Valve Maintenance 1. Apply some rotor oil to the rotary valve through the slide receiver end. * The rotary valve is a precision crafted part. Attempting to remove the valve in an improper manner will cause damage. 2. Remove the rotary valve cap and apply a small amount of rotor spindle oil to the center of the rotary valve and the area supporting the shaft. 4. Apply some lever oil to the lever mechanism. Lever rotary valve cap 26 Caring for the Instrument Oil the water key Neglecting to oil the water key can result in poor function of the water key. Twice Yearly Maintenance Cleaning the instrument 1. Prepare a brass soap water solution. Mix 1 part brass soap with between 10 and 15 parts warm water (30° C to 40° C). Remove the tuning slide and slide sections before placing the instrument in the soap water solution. * Contact your dealer when the rotary valve needs cleaning. 2. Apply some brass soap solution to a flexUse a fine gauze cloth to clean in tight places. ible cleaner and use the cleaner to clean the inside of the instrument. Outer Slide Stringing the Rotary Valve Wrap the string as shown in the illustration below then fasten the string in place with the small string screw. After the string is secured, use the small screw A to adjust the lever position. String screw B Lever linkage Rotor stem screw * Use a cleaning rod wrapped with gauze to clean out the inside of the inner slide. 3. After cleaning the instrument, use clean water to thoroughly rinse out the brass soap water solution. [. . . ] After cleaning the instrument, use clean water to thoroughly rinse out the brass soap water solution. After that, apply some slide grease to the tuning slide and reassemble. Tuning slide String screw A 27 Caring for the Instrument Cleaning the mouthpiece Dip the mouthpiece brush in a brass soap water solution and use the brush to clean the mouthpiece's throat. Rinse the mouthpiece thoroughly with clean water. Mouthpiece brush Always place the instrument in its case when you are finished playing. Also, keep the instrument in its case during breaks. 28 Troubleshooting Tone is not clear and pitch is poor. · A large amount of dirt has accumulated inside the pipe. 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