Service Manual

ISB, ISBe and QSB (Common Rail [...] Fuel Inlet Restriction
Section 6 - Injectors and Fuel Lines - Group 06 Page 6-55
To buy Cummins Parts and Service Manuals, Training Guides, or Tools go to our website at https://store.cummins.com
Prime
WARNING
Depending on the circumstances, fuel is flammable.
Keep all cigarettes, flames, pilot lights, arcing
equipment, and switches out of the work area and
areas sharing ventilation to reduce the possibility of
severe personal injury or death when working on the
fuel system.
WARNING
The fuel pump high-pressure fuel lines and fuel rail
contain very high-pressure fuel. Never loosen any
fittings while the engine is running. Personal injury
and property damage can result.
CAUTION
Be sure that the fuel inlet and return valves are
returned to the open position before cranking the
engine. Engine damage can result if valves are in the
wrong position when the engine is cranked or started.
Environmental damage can also occur.
CAUTION
Use caution when disconnecting or removing fuel
lines, replacing filters and priming the fuel system so
that fuel is not spilled or drained into the bilge area.
Do not drop or throw filter elements into the bilge
area. The fuel and fuel filters must be discarded in
accordance with local environmental regulations.
Allow the lift pump to run by turning the key switch ON
and waiting 30 seconds before starting.
Refer to Procedure 006-999 in the Familiarization section
for further information.