The trombones comes with mouthpieces ,Ushaped casing ,inner slide tube ,pitch tube,bell ,etc ..The bass type is usually equipped with a rotary four degree additional tube .The productsfabricated from the premium quality brass and phosphor copper .It can produce not only loud ,sonorous ,stately ,magnificent and powerful sounds but also gentle and tender ones .The tone quality is very distinctive and unified .Additionally ,this trombone is also able to play chromatic scale and unique glides.
1.The mouthpiece of trombone should be cleaned up before being put into the case .
2.The rotary part of the rotating valve rod ,rotary valve and ballend shaft should be oiled regularly .After being Oiled ,the rotary valve should be pressed several times to make the lubricating oil uniformly distributed to the rotary valve .Thus ,the rotary valve can work smoothly .
3.The side tube can be oiled in the following procedure.Wipe out the residual oil on the inner side tube using the clean soft cloth,evenly coat the whole inner slide tube with the slide tube oil in an appropriate amount .A think layer of oil is enough .Place the inner slide tube into the outer one and slide it several times .
4.As for the trombone with the piston ,the piston can be applied with the oil as follows.
a,first ,unscrew the nut and take out the piston .
B.second ,apply several drops of oil to the piston surface ,cylinder pipe and nut thread .
C.third ,place the piston into cylinder pipe and tract it several times .If the spring the bass instrument is taken out ,please put it back .
D.fourth,press the piston and pull out all the pitch pipes to clean the accumulated water .After being cleaned up ,the pitch pipes should be painted with the slide grease and then put them into their positions .
e.The inside of the slide tube can be cleaned with the cleaning swabs or resilient cleaning brush so as to make the musical instrument in an optimal state .
F.the fingerprint on the surface of the products should be wiped out with the attached soft cloth in order to protect the coating .
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