Yamaha RD-500 YX-500FT RD-500 Owners Manual - Page 6

Next, attach the instrument to the rack. * Do not let the resonators hit against the legs or other part of the frame during their installation. 6
Align the bolt holes on the underside of the sideboard with the holes on the L-shaped bracket attached to the rack frame and set the in- 6 strument F onto the rack. Use the white marker* on the sideboard (on its outer side) as an aid when aligning. The marker should be centered on the L- shaped bracket for proper alignment. * The YX335 does not have a white marker. Mounting frame L bracket Sideboard 7
Use the supplied bolts, washers, and spring washers I attached to the instrument to attach the instrument from the underside of the rack (4 locations). 8
First pass the resonators through the instruments from underneath the rail and then mount the treble end into the resonator rest. Marker B Rack frame 9
Next, mount the bass side. Pass the end of the resonators through the space in the center of the resonator rest as shown in the dia- 7 gram, and fit it into the notch in the resonator rest. When room temperature is 73.4°F (23°C) and above, set the resonators into the shallow notches of the resonator rest (Diagram A). When room temperature is 73.4°F (23°C) and below, set the resonators into the deeper notches of the resonator rest (Diagram B). F Xylophone Main Unit Sideboard B Rack frame 10
Use the same procedure to install the other set of resonators. After assembly is complete, firmly tighten all bolts. To disassemble, follow the assembly steps in reverse order. Washer Spring washer I Knob head bolt 8,9 Notch Resonator rest Resonator rest Diagram A (Above 23°C: Shallow notch) Diagram B (Below 23°C: Deep notch) Resonators 1 2 (Accidental tone side) Resonators (Natural tone side) Bass side Treble side 12