Service Manual

ISB, ISBe and QSB (Common Rail [...] Fuel Lift Pump
Section 5 - Fuel System - Group 05 Page 5-33
To buy Cummins Parts and Service Manuals, Training Guides, or Tools go to our website at https://store.cummins.com
Preparatory Steps
WARNING
Batteries can emit explosive gases. To reduce the
possibility of personal injury, always ventilate the
compartment before servicing the batteries. To
reduce the possibility of arcing, remove the negative
(-) battery cable first and attach the negative (-)
battery cable last.
Disconnect the batteries.
Shut off the fuel supply and return lines. Refer to the OEM
service manual.
For marine applications, remove the ECM cooling plate.
Refer to Procedure Procedure 006-006 in Section 6.
Remove
Thoroughly clean the fittings and components before
removal.
NOTE: Make sure that debris, water, steam, or cleaning
solution does not reach inside the fuel system.
Remove the fuel lift pump inlet and outlet fuel lines.
Disconnect the fuel lift pump wiring harness connector.
Remove the fasteners holding the lift pump to the back of
the ECM cooler plate.
Remove the fuel lift pump.
NOTE: For most automotive applications, the lift pump
can be removed without having to remove the ECM and
ECM mounting plate.