797F Off-Highway Truck Caterpillar


Diesel Exhaust Fluid Injector - Replace - Emission Related Component

Usage:

797F LTZ


Illustration 1g03877603

  1. Remove the diesel exhaust fluid (DEF) line (1) from the injector (4).

  2. Remove the coolant lines (2) from the injector.

  3. Remove the electrical connector (3) from the injector.

  4. Remove the bolts from the injector and remove the injector.


    Illustration 2g03878566

  5. Replace gasket. The steel side of the gasket should face towards Clean Emissions Module (CEM) outlet.

  6. Replace the injector.

  7. Apply nickel anti-seize to bolt threads.

  8. Torque the bolts of the injector to 5 N·m (3.7 lb ft). Retighten all bolts to 5 N·m (3.7 lb ft), then turn 90°.

  9. Connect the electrical connector.

  10. Connect the coolant lines.

  11. Connect the DEF line.

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