7-4 Passport 8/12 Service Manual
2. Unscrew the four M3×6 screws, disconnect the pump cable and valve cable, and then take out the SpO
2
board.
7.3.5 Removing Pump and Valve
Unscrew the two M3×6 screws and take out the valve. Then cut the two tie wraps to take out the pump.
7.3.6 Removing the Recorder (Optional)
Unscrew the two M3×6 screws, press locking tabs inward to release, and disconnect the recorder cable to remove the
recorder.
NOTE
The recorder can be disassembled separately.
Pump cable
Valve cable