Disconnect the aftertreatment fuel shutoff manifold air supply line from the aftertreatment purge air actuator and the aftertreatment fuel shutoff manifold.
When using solvents, acids, or alkaline materials for cleaning, follow the manufacture’s recommendations for use. Wear goggles and protective clothing to reduce the possibility of personal injury.
WARNING
Wear appropriate eye and face protection when using compressed air. Flying debris and dirt can cause personal injury.
Clean the aftertreatment fuel shutoff manifold air supply line with a safety solvent.