Replace the 1-Series Sensors

1.Turn the instrument off.

2.Remove the battery:

a) Turn the instrument face down and unscrew on the battery pack.

b) Remove the battery pack and the four screws in the battery compartment

3.Remove the sensor:

a) Remove the two screws at the top of the instrument and pull the back shell apart from the front shell.

b) Pull back the two retaining clips on the manifold.

c) Lift the manifold sideways, farthest from the pump.

d) Pull the sensor manifold out from the pump manifold.

e) Remove the desired sensor.

4.Install the new sensor:

a) Mind the orientation key, and then push the sensor down into manifold.

b) Insert manifold inlet into pump manifold.

c) Push manifold down and as the two latches engage, listen for two snapping sounds

5. Replace the back shell and install the four screws back into the battery compartment (torque 4-5 in-lbs).

6. Reinstall the 2 screws at the top of the instrument (torque 4-5 in-lbs)

7.Attach the battery:

a) To place the battery pack correctly, first engage hooks on the bottom of the battery pack.

b) Push the battery pack into place and tighten the battery retention screw (torque 4-5 in-lbs).

8.Turn on the instrument and allow for the sensors to stabilize.