User Manual

5-3
Percent Oxygen Analyzer Maintenance 5
Teledyne Analytical Instruments
WARNING: The sensor used in the Model 3300PB uses electrolytes
which contain substances that are extremely harmful if
touched, swallowed, or inhaled. Avoid contact with ANY
fluid or powder in or around the unit. What may appear to be
plain water could contain one of these toxic substances. In
case of eye contact, immediately flush eyes with water for
at least 15 minutes. Call physician. (See Appendix, Material
Safety Data Sheet—MSDS).
5.2.3 Removing the Micro-Fuel Cell
To remove a spent or damaged Micro-Fuel Cell:
1. Disconnect the Power Source from the Unit.
2. Open analyzer door..
3. Unplug the connector from the spent cell.
4. Remove the spent cell by unscrewing it, counterclockwise, from the
cell block.
5. Dispose of the cell in a safe manner, and in accordance with local
laws.
5.2.4 Installing a Micro-Fuel Cell
To install a new Micro-Fuel Cell:
CAUTION: Do not scratch, puncture, or damage the sensing membrane of the
Micro-Fuel Cell sensor. Damage to the membrane will require
replacement of the sensor.
1. Disconnect the Power Source from the Unit.
2. Remove the new Micro-Fuel Cell from its protective bag, being
careful not to lose the O-ring at the base of the threaded portion of
the cell.
3. Open analyzer door.
4. Replace the cell on the cell holder by screwing it clockwise into the
cell block until it is held firmly in the socket.
5. Insert the cell block electrical connector plug into the socket in the
sensor.