AMI Analyzer Manual
Maintenance and troubleshooting
16
Maintenance and troubleshooting
Maintenance:
The AMI oxygen analyzer is virtually maintenance free other than for periodic calibration.
Sensor Replacement:
The sensor should last for many years. If the sensor expires you will have to return the analyzer back to the
factory.
Battery Replacement:
The NiCd batteries provided should last for many years, but as with all batteries they will die eventually. To
replace the batteries, follow these steps:
1. Remove the two front panel screws, and pull out the front panel. It won’t come out very far as it is
attached to many wires.
2. Disconnect the USB connector ribbon cable from the pc board.
3. If it is easier, unscrew the terminals holding the four sensor wires.
4. Remove the four socket head cap screws holding the battery bracket. These are located on the left
side of the unit.
5. Remove the battery bracket.
6. Locate the two wires leading from the batteries to the pc board, and unplug them.
7. Replace the entire assembly with a new one available from AMI.
8. If you removed the sensor wires, screw them back into the terminal block. Note the color code is
written on the back of the PC board next to the connectors.
9. Plug in any connectors you unplugged and replace the front panel. Charge (or recharge) the
batteries for 14 hours prior to using the unit.
