Yamaha Tubas Owner's Manual - Page 8
Before You Play - made
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Before You Play Handling the Instrument The instrument is made with 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. ■ Applying Oil Apply oil to the pistons 1. Unscrew the valve cap and pull the piston straight out of the valve casing until about half of the valve piston is exposed. 2. Apply about 10 drops of valve oil on the piston. Applying oil to the rotors (Rotary Tuba Only) 1. Remove the valve cap and apply some ro- tor spindle oil to the spindle and in the center of the rotor. Rotor spindle oil Backside of the instrument Valve oil Piston * Do not apply too much oil. 3. Slowly return the piston into the valve cas- ing. At this time, make sure the valve guide fits into the slot inside the valve casing. After the valve cap is tightened firmly, move the piston up and down a few times to evenly distribute the oil over the piston. Rotor spindle * Do not apply too much oil 2. Apply some rotor spindle oil to the rotor spindle and its receiver. After closing the valve cap, move the lever a few times to distribute the oil evenly. Receiver Rotor spindle Instrument's front * Each piston fits into its corresponding casing. Make sure the number stamped on the piston matches the number stamped on the casing before returning the piston into the valve casing. * The pistons must be oiled to function properly and smoothly. 24 Rotor spindle oil * Do not apply too much oil