Exhaust Inlet Nitrogen Oxide Sensor - Inspect/Replace
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| Illustration 1 | g03670121 |
Note: During installation, inspection, and handling of the sensor, follow the parameters listed below:
Note: Turn off power supply before disconnecting or connecting the NOx sensor.
- Inspect the harness for damaged wiring
- Inspect for secure connections at all ends of the harness
To replace the NOx sensor, follow the steps listed below:
- Disconnect harness assembly and disconnect sensor cabling.
- Remove NOx sensor probe.
- Install inlet NOx sensor probe. Take precautions to prevent damaging the ceramic sensor element (4) when installing.
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| Illustration 2 | g02715050 |
- Ensure that the sensor is securely mounted.
- Connect harness assembly and cabling.
- Install cover plate assemblies and bolts. Refer to Specifications, SENR3130, "Torque Specifications" for the proper torque.
Caterpillar Information System:
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