Oxygen Monitor Circuit Board Replacement - AirSep NewLife Intensity 10 Service Manual

3. Open the plastic twist clamps.
4. Cut the tie-wraps (located near the power cord push-on connectors).
5. Disconnect the white power cord lead from the
6. Disconnect the black power cord lead from the top terminal on the circuit
7. Locate strain relief inside power cord receptacle. Press both ends together
8. Using the same length of installation for the strain relief from the original
9. Insert and install the new power cord through the opening of the receptacle
10. Reconnect the power cord leads, close the plastic twist clamps, and reattach
11. Reconnect the side and back panels.

5.16 Oxygen Monitor Circuit Board Replacement

Oxygen Monitor Circuit Board Removal
To remove the circuit board, follow the steps below:
1. Set the unit's
2. Remove the side and back panels.
3. Locate oxygen monitor circuit board and carefully disconnect the 4-pin wire
4. Using Phillips-head screwdriver, remove screws and spacers securing
5. Disconnect tubing connections from circuit board sensor. (Note: depending
Oxygen Monitor Circuit Board Installation
To install a new circuit board, follow the circuit board removal procedure in reverse
order.
1. Be sure to reinstall tubing connection(s) to correct position on sensor of
2. Spacers are installed between circuit board and superstructure.
breaker.
with pliers while pushing power cord from the back to remove power cord.
Pull the power cord through the opening on the power cord receptacle.
power cord, slide the strain relief onto the new power cord so that the larger
lip of the strain relief faces the power cord plug end.
squeezing the strain relief together with pliers to secure in place.
the tie-wraps.
Care must be taken when removing and installing tubing to circuit
board sensor to prevent damaging sensor.
/0 switch to the "0" position, and disconnect the power cord.
I
harness from circuit board.
circuit board to superstructure.
on unit, there may be one or two tubing connections on the sensor). Review
of tubing connection position(s) should be made prior to disconnecting.
new circuit board.
If unit is installed with a ceramic-style O
circuit board requires replacement, you will need to retrofit the unit to
the ultrasonic-style O
KI366-2)
monitor circuit board and the
2
monitor circuit board. (Retrofit kit part number:
2
19
/0 switch lead.
I
(In Equipped Units)
MN134-1 rev C