Service Manual

Fuel Filter (Spin-On Type) ISB, ISBe and QSB (Common Rail [...]
Page 6-38 Section 6 - Injectors and Fuel Lines - Group 06
To buy Cummins Parts and Service Manuals, Training Guides, or Tools go to our website at https://store.cummins.com
Without Electric Lift Pump
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.
WARNING
Be sure that the fuel inlet and return valves are
returned to the open position before cranking engine.
Engine damage can result if valves are in the wrong
position when the engine is cranked or started.
Environmental damage can also occur.Use the
following procedure for further information. Refer to
Procedure 006-999 in Section F.
CAUTION
Use caution when disconnecting or removing fuel
lines, replacing filters and priming the fuel system
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.
NOTE: To prevent damage to the hand pump priming
seals, clean the fuel pump head and priming pump with
Quick Dry Spray Cleaner, Part Number 3824510 or
equivalent, and compressed air prior to priming the fuel
system.
After Filter Change:
Primary Method:
Unlock the manual priming pump handle by turning it
counterclockwise. Pump the primer handle until resistance
is felt (approximately 140-150 strokes for dry filters, or 20
to 60 strokes for pre-filled filters).
Lock the manual priming pump handle and crank the
engine.
Alternative method:
Unlock the manual priming pump handle by turning it
counterclockwise. Pump the primer handle 60 times. Lock
the manual priming pump handle and crank the engine.
Start should occur within approximately 20 seconds.
NOTE: Do not exceed starter cranking limitations.
After Running the Vehicle Tank Dry:
Be sure there is fuel in the vehicle fuel tank. Unlock the
manual priming pump handle by turning it
counterclockwise. Pump the primer until resistance is
felt (50-60) strokes. Lock the manual priming pump
handle and crank the engine. Start should occur within 5
seconds.