Yamaha YM-5104A Owner's Manual - Page 13

ASSEMBLY b Set the tone bars. 5-1. Set the natural tone bars first. With one person holding the suspension cords on the bass side and the other holding the suspension cords on the treble side securely with both hands, gently place the tone bars on the rails. Align each tone bar individually and hook its cord onto the corresponding post. After confirming that the cord is secured to every post, fix the tone bars by pulling the right and left cords forward from the large end side and hooking the two springs into each other. * When setting the tone bars, use care not to cause any damage to them. Small end Suspension cord Large end Post Suspension cord YM-5104A/5100A/4900A Only 5-2. Each of F#22, G23, G#24, A25 and A#26 resonators has a resonance regulator. While tapping each tone bar, move the resonance regulator to find the position where the best resonance is obtained and fix it there. * When fixing the resonance regulator, check to ensure that it is not aslant. Resonance regulator 27