Exhaust Inlet Nitrogen Oxide Sensor - Replace
Note: During installation and handling of the sensor, follow the parameters listed below:
- Do not expose the sensor to any fluids
- Do not contact the sensing element when power is applied to the sensor. Contact with the sensing element may result in injury. The sensing element is heated to a minimum of 100° C (212° F).
- Do not use any lubricant on any part of the sensor other than the threads. Do not use unapproved thread lubricant. Do not apply additional anti-seize to new parts. If additional anti-seize is necessary for pre-installation, use only nickel based anti-seize or non-metallic anti-seize. Apply anti-seize to the threads only and avoid contaminating the sensor head.
- Do not use sensors that have been dropped or have been exposed to other forms of mishandling. Damage to the sensor may have occurred that is not visible.
- Ensure that the sensor is securely mounted.
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Illustration 1 | g03124966 |
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Illustration 2 | g03124956 |
Note:
- Remove cover plate assemblies (1) in order to access the NOx sensor (2) .
- Disconnect harness assembly and disconnect sensor cabling (3) .
- Remove inlet NOx sensor probe (2) .
- Install inlet NOx sensor probe. Take precautions to prevent damaging the ceramic sensor element (4) when installing.
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Illustration 3 | g02715050 |
- Connect harness assembly and cabling.
- Install cover plate assemblies and bolts. Refer to Specifications, SENR3130, "Torque Specifications" for the proper torque.
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