●Rotor maintenance (Rotary trumpets only)
1.Remove the rotary valve cap and apply some rotor spindle oil to the place to the spindle in the center of the rotor.
Rotor spindle oil 
2.Apply some rotor spindle oil to point where the rotor rotates. Replace the rotary valve cap and move the lever a few times to dis- tribute the oil evenly.
3.Apply some lever oil to the lever shaft.
Lever oil 
Maintenance
●Valve slide maintenance
1.Apply a thin coating of slide grease to the main tuning slide, 2nd valve slide, and valve slides that are not equipped with a slide trig- ger.
Slide grease
Main tuning slide
2.Slide the main tuning slide back and forth a few times to distribute the grease evenly.
Main tuning slide
3.On the 1st and 3rd valves, which are equipped with slide triggers, apply a small amount of tuning slide oil to the tuning slides.
Tuning slide oil
Apply here.
3rd Valve Slide
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