Service Manual

Fuel Filter Head ISB, ISBe and QSB (Common Rail [...]
Page 6-46 Section 6 - Injectors and Fuel Lines - Group 06
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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. Refer to
Procedure 006-999 in Familiarization section for
further information.
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.
After Filter Change:
Primary Method:
Unlock the manual priming pump handle by turning
counterclockwise. Pump the primer handle until resistance
is felt (approximately 140-150 strokes). Lock the manual
priming pump handle and crank the engine. Start should
occur within 5 seconds.
NOTE: Do not fill new filters with fuel prior to assembly as
this will allow unfiltered fuel to enter the system and may
cause damage to fuel system components.
Alternative method:
Unlock the manual priming pump handle by turning
counterclockwise. Pump the primer handle 60 times. Lock
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:
Ensure there is fuel in the vehicle fuel tank. Unlock the
manual priming pump handle by turning it counter-
clockwise. Pump the primer until resistance is felt (50-60)
strokes. Lock manual priming pump handle and crank the
engine. Start should occur within 5 seconds.
NOTE: Do not remove and fill filters with fuel prior to
priming the system in an attempt to reduce priming time
as this will allow unfiltered fuel to enter the system and
may cause damage to fuel system components.
NOTE: It is not necessary to vent air from the high-
pressure fuel system before starting the engine. Cranking
the engine will prime the fuel system.
Operate the engine and check for leaks.