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К этому устройству также есть другие инструкции:
Фрагмент инструкции
Always remove and disassemble the mouthpipe assembly before placing the sousaphone or marching tuba series instruments in their case. About the mouthpiece The mouthpiece that is supplied with your instrument is a standard mouthpiece. The mouthpiece is designed to fit into the mouthpiece receiver without being loose. Do not treat the mouthpiece roughly, drop, or damage the mouthpiece, etc. Cleaning rod Gauze Maintenance * Reverse the left and right sides of the illustration when placing front action instruments in their cases. 31 ¦ Twice Yearly Maintenance . Cleaning the instrument 1. Make a brass soap water solution. Prepare a brass soap water solution using between 10 to 15 parts warm water (30° C to 40° C) and 1 part brass soap. Before putting the instrument into the soap water solution, remove the pistons, valve casing parts, and slide valves. 2. With the instrument removed from the water, apply some soap water solution to a flexible cleaner and use the cleaner to clean the inside of the instrument’s pipes. 3. After cleaning the instrument, use clean water to thoroughly rinse out the brass soap water solution. After completely removing all moisture with a gauze, apply oil and grease, and then reassemble the instrument. Flexible cleaner Maintenance CAUTION! When cleaning the internal parts on a rotary tuba. Never dismantle the rotors. Also, when rinsing the pipes with water, run water through tuning slides in the opposite direction of the airflow. If water is run through the instrument from the leadpipe, dirt can become clogged in the valves causing the valves to become sluggish. . Cleaning the mouthpiece 1. Dip the mouthpiece brush in the brass soap water solution and use the brush to clean the throat of the mouthpiece. Rinse the mouthpiece out with clean water. Mouthpiece brush 32 Tone is not clear and pitch is poor. • The valve felt or cork is damaged. . Replace the felt or cork with a new one. • A large amount of dirt has accumulated inside the instrument. . Wash it out. • There is a large dent in the tubing or air is leaking. Or the mouthpiece is loose and air is leaking from around the mouthpiece. . Contact the dealer from whom you purchased the instrument. No sound. • The holes in the pistons are not aligned with the holes in the valve casings. . Make sure that the number stamped on the piston matches the number stamped on the valve casing. The valves are sluggish. • Dirt has accumulated between the pistons and valve casings. . Clean the inside of the valves. • Dust has scratched the inside of the valve casings. . Wash out the dust as soon as possible. • Dropping or hitting the piston has damaged it. . Never use the instrument with a damaged piston. Contact the dealer from whom you purchased the instrument. • The pistons or valve casings are corroded. . Contact the dealer from whom you purchased the instrument. The rotors are sluggish. • Dirt has accumulated between the rotors and valve casings. . Oil the lever mechanisms with lever oil....
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