User Manual

9
7. Using pliers, carefully remove the tubing that connects to the product tank pressure sensor and dose tank pressure
sensor on the PC board (508552). Also remove both tubing pieces from the inspiratory sensor on the PC Board
(508552).
8. Pull the PC board away from the unit and disconnect the wires from the fan (508575) and supply valve (508527).
Disconnect the wires from the compressor assembly (508525) and power interface board (508553) on the bottom of
the PC board.
9. PC board (508552) should be able to be removed from unit.
Product
Tank
Pressure
Sensor
Tubing
Fan Wires (top) Compressor
Assembly
Wires
Power
Interface
Board Wires
Supply Valve
Wires (bottom)
Tubing
Inspiratory
Sensor
Dose Tank
Pressure
Sensor