Cummins ISX11.9 CM2250 – Service Manual 011-051   Aftertreatment Injector Lines

WARNING  If fuel lines contain pressure, there may be sufficient pressure to penetrate the skin and can cause serious injury by penetrating the skin.

Disconnect the aftertreatment fuel shutoff manifold supply line from the fuel filter head.

Disconnect the aftertreatment fuel shutoff manifold supply line at the inlet to the aftertreatment fuel shutoff manifold.

Remove the aftertreatment fuel shutoff manifold supply line and discard the banjo sealing washers.

WARNING  If fuel lines contain pressure, there may be sufficient pressure to penetrate the skin and can cause serious injury by penetrating the skin.

Disconnect the aftertreatment injector fuel supply line at the outlet of the fuel shutoff manifold.

Disconnect the fuel line p-clip from the fuel drain manifold.

Disconnect the two p-clips at the rear of the engine.

Disconnect the p-clip from the OEM coolant manifold.

Disconnect the aftertreatment injector fuel supply line at the inlet to the aftertreatment injector.

Remove the aftertreatment injector fuel supply line and discard the banjo sealing washers.

Disconnect the aftertreatment injector coolant supply line at the inlet to the aftertreatment injector.

Disconnect the aftertreatment injector coolant supply line at the engine block.

Remove the aftertreatment injector coolant supply line.

Disconnect the aftertreatment injector coolant return line at the aftertreatment injector.

Remove the aftertreatment coolant return line and discard the banjo sealing washers.