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5 Maintenance Model 3020T
5-4
Teledyne Analytical Instruments
Before replacing the cell:
a. Check your span gas to make sure it is within specifications.
b. Check for leaks downstream from the cell, where oxygen may be
leaking into the system.
If there are no leaks and the span gas is OK, replace the cell.
5.3.3 Removing the Micro-Fuel Cell
The Micro-Fuel Cell is located inside the stainless steel cell block
behind the front panel (see Figure 5-1). To remove an existing cell:
1. Remove power to the instrument by unplugging the power cord
at the power source.
2. Open the front panel door by unbolting it and swinging it open
on its hinges.
3. Leave the cell block installed. Place one hand underneath the cell
block, ready to catch the cell holder and Micro-Fuel Cell.
4. Lift up on the stainless steel gate in front of the cell block. This
releases the cell and cell holder from the block. The cell and
holder will fall out in your hand.