User Manual

10
Reassembly
1. With new PC board, connect the wires from the compressor assembly and power interface board to the bottom of the
PC board.
2. Connect the wires from the fan and supply valve.
3. Attach the board to the unit by screwing in the screw (508351) that holds the PC board (508552) to the top separator
plate (508538). Then screw in the 2nd screw (503956) that holds the PC board (508552) to the battery separator plate.
4. Connect the 2 tubes for the inspiratory sensor on the PC board. Connect the tube from the inspiratory sensor onto the
boss located on the battery separator plate (508539). This tube should go across the outside of the PC board.
5. Connect the 2 tubes for the product tank pressure sensor and dose tank pressure sensor on the PC Board.
6. Connect the wires from the O2 Sensor (508419), dose valve (518166), and crossover valve (508568) to the PC board
(508552). Make sure wires are above the tubing for the product tank pressure sensor and dose tank pressure sensor or
else they may fall into fan.
7. Reconnect the ribbon cable for the control panel (508528) first; then reconnect the ribbon cable for the LCD display
(508556).
8. Place top case (508534) back in place, making sure the tab in the front engages the slot on the top separator plate
(508538). Reconnect the battery separator plate (508539) to the top case (508534) by screwing in the 2 top screws
(508662).