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Maintenance
hole mates with a guide pin on the bottom rear of the cell
block. The hole in the cell block holder must align with the
guide pin on the cell block.
Step 1.
Remove power from instrument.
Step 2.
Remove the old sensor (if installed) from the analyzer.
Step 3.
Purge the analyzer at approximately 1 SCFH flow rate with N
(or applicable sample gas with the sensor holder removed).
Step 4.
Remove sensor from double bag storage.
Step 5.
Remove sensor shorting button.
Step 6.
Place sensor on sensor holder so that the gold contact plate of
the sensor is facing up towards the sky.
Step 7.
Install sensor and sensor holder into cell block.
Step 8.
With O-ring in place, align the guide pin with the hole on the
cell holder. Then, with the holder, lift cell into the cell block.
Step 9.
Push the gate on the cell block down so that the slots on the
side of the gate engage the locating screws on the side of the
block. This forces the holder into position and forms a gas-
tight seal.
Step 10.
Purge system with sample or zero gas.
Step 11.
Power-up.
Note: If steps 4 through 10 are accomplished quickly (elapsed
time less than 15 seconds), recovery to less than 1ppm
level should occur in less than 8 hours.
5.3.5 Cell Warranty
The Class L-2C Micro-Fuel cell is typically used in the Model
3020T. Other cell options are available. See page iii for the cell shipped
with your analyzer.
The L-2C cell is a long life cell and is warranted for 1 year from the
date of shipment. Note any Addenda attached to the front of this manual
for special information applying to your instrument.
With regard to spare cells, warranty period begins on the date of
shipment. The customer should purchase only one spare cell (per section
5.3.1). Do not attempt to stockpile spare cells.
Teledyne Analytical Instruments
Model 3020T
2
60
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