Note: Ensure that the Allen screws are tightened
equally. Failure to ensure that the Allen screws are
tightened equally will result in damage to the fuel
injection pump.
9. Tighten the Allen head screws to a torque of 9 N·m
(80 lb in).
10. Connect harness assembly (1) to flow control
valve (3).
11. Replace the filters for primary fuel system. Refer
to Operation and Maintenance Manual, “Fuel
System Primary (Water Separator) Element -
Replace” for the correct procedure.
12. Replace the filters for secondary fuel system.
Refer to Operation and Maintenance Manual, “Fuel
System Secondary Filter - Replace” for the correct
procedure.
13. Turn the fuel supply to the ON position.
14. Turn the battery disconnect switch to the ON
position.
15. Remove the air from the fuel system. Refer to
Operation and Maintenance Manual, “Fuel System
- Prime” for more information.
End By:
a. After replacement of the flow control valve, the fuel
injection pump requires a high-pressure fuel pump
calibration procedure to be performed. Refer to
Troubleshooting, “Fuel Rail Pressure Problem” for
the correct procedure.
i06213344
Fuel Filter Base - Remove and
Install
Removal Procedure
Table 3
Required Tools
Tool Part Number
Part Description Qty
A T412504
Capping Kit
1
NOTICE
Ensure that all adjustments and repairs that are
carried out to the fuel system are performed by
authorized personnel that have the correct
training.
Before beginning ANY work on the fuel system,
refer to Operation and Maintenance Manual, “Gen-
eral Hazard Information and High Pressure Fuel
Lines” for safety information.
Refer to System Operation, Testing and Adjusting,
“Cleanliness of Fuel System Components” for de-
tailed information on the standards of cleanliness
that must be observed during ALL work on the
fuel system.
NOTICE
Care must be taken to ensure that fluids are con-
tained during performance of inspection, mainte-
nance, testing, adjusting and repair of the product. Be
prepared to collect the fluid with suitable containers
before opening any compartment or disassembling
any component containing fluids.
Dispose of all fluids according to local regulations and
mandates.
1. Turn the battery disconnect switch to the OFF
position.
2. Turn the fuel supply to the OFF position.
3. Drain the secondary filter. Refer to Operation and
Maintenance Manual, “Fuel System Secondary
Filter - Replace” for the correct procedure.
8 UENR4503
Disassembly and Assembly Section
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