O2 EII Pro
Technical Manual
Document ref: MO2-865-00
December 2015
Page 19 of 26
6
After Sales Service
6.1
Battery Replacement
1.
Loosen the 4 screws located on the front cover. The gasket seal is designed to
prevent water leaking into the O2 EII Pro as a result the seal may be tight. Loosen
the seal by moving the lid from side to side, and then carefully lift the cover.
2.
Slide the battery out of its holder and disconnect the lead.
3.
Connect the lead to the new battery and slide the battery into its holder, under the
battery clip
4.
Replace the cover carefully taking care that the sensor locates properly, and that
you do not trap any wires. Screw down until you feel the gasket tighten; do not
over tighten the screws.
6.2
Sensor Replacement
1.
Replacement part number for your sensor is: 9100-9220-9B
2.
Loosen the 4 screws located on the front cover. The gasket seal is designed to
prevent water leaking into the O2 EII Pro as a result the seal may be tight. Loosen
the seal by moving the lid from side to side, and then and carefully lift the cover.
3.
Disconnect the connector from the back of the sensor.
4.
Unscrew the sensor from the front cover.
5.
Dispose of the old sensor according to local regulations for lead and potassium
hydroxide solution.
6.
Remove the new sensor from its pack and check it for leaks, check the sensor has a
rubber o-ring fitted at the base of the thread on the front of the sensor. Screw the
sensor into the front cover tightly and connect to the EII connector. An arrow on the
back of the sensor shows where the connector should be fitted. Make sure the metal
prongs on the connector are facing the sensor and push in firmly.
7.
Replace the cover carefully taking care that the sensor locates properly and that you
do not trap any wires. Screw down until you feel the gasket tighten; do not over
tighten the screws.
8.
Push on the EII adapter.
