Teledyne 3300TB - Low cost trace oxygen analyzer User Manual

Page 34

5-4

5 Maintenance

Model 3300

Teledyne Analytical Instruments

4. Slowly withdraw the cap from the block. The cell should come out

with the cap.

5. Carefully pull the cell off of the cap. DO NOT TOUCH THE

SCREENED END OF THE CELL OR ANY FLUID THAT MAY
BE LEAKING FROM IT.

6. Dispose of the cell in a safe manner, in accordance with all

applicable ENVIRONMENTAL AND SAFETY laws.

5.2.4 Installing a Micro-Fuel Cell

To install a new Micro-Fuel Cell:

CAUTION: Do not scratch, puncture, or otherwise damage the sensing

membrane of the Micro-Fuel Cell. If the membrane is damaged,
the cell must be replaced.

1. Disconnect the Power Source from the Control Unit.

2. Remove the new Micro-Fuel Cell from its protective bag.

3. Examine the O-ring at the base of the threaded portion of the cell-

retainer cap, and replace it if it is worn of damaged.

4. Replace the cell on the end of cell-retainer cap, which is designed to

fit snugly into the rim on the screen side of the cell.

5. Careful insert the cap and cell into the block, and screw the cap

clockwise into the cell block until it is held firmly in the cell.

6. Reconnect the cell block electrical connector plug.

5.2.5 Cell Warranty Conditions

The B-2C Class Micro-Fuel cell is used in the Model 3300TB. These cells

are warranted for 6 months, with an expected life of 8 months from the date of
shipment (under specified operating conditions—see Appendix). Note any
Addenda attached to the front of this manual for special information applying to
your instrument.

Note that the warranty period begins on the date of shipment. The cus-

tomer should stock only one spare cell per instrument at a time. Do not attempt
to stockpile spare cells.

If a cell was working satisfactorily, but ceases to function before the

warranty period expires, the customer will receive credit toward the purchase of
a new cell.