Yamaha YEP-321 Owners Manual - Page 9
Assembling the Sousaphone, Setting the Mouthpiece
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3. Apply some lever oil to the lever shafts. Before You Play ■ Assembling the Sousaphone Connect the bell to the body so that the bell is facing the same direction as the player's face. Completed assembly Lever oil * Do not apply too much oil. 4. While moving the levers, blow some air through the instrument to distribute the oil evenly. 1. Loosen the bell screws. Firmly holding on to the bell on both sides, rotate the bell slowly while inserting the bell into the bell joint on the main body. After the bell is positioned, tighten the three bell screws so that each screw applies the same amount of pressure against the bell. Bell joint receiver ■ Setting the Mouthpiece Insert the mouthpiece until it just fits snugly and is no longer loose in the leadpipe. Mouthpiece * NEVER force the mouthpiece into the leadpipe, or hit it. The mouthpiece may become stuck in the leadpipe. Bell screw * During rests, make sure that the bell screws are tightened firmly. Never loosen the screws on the copper bracing holding the main coils together. Doing so may cause the coils to separate resulting in injury. Also, regularly check that the attachment screws on the main tubing are tightened firmly. Copper bracing Attachment screw Main coil 25