1490 Force HEX NUT, 1/4 - 20

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     422-7170     Capping Kit     1    
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, "General Hazard Information and High Pressure Fuel Lines" for safety information. Refer to System Operation, Testing and Adjusting, "Cleanliness of Fuel System Components" for detailed information on the standards of cleanliness that must be observed during ALL work on the fuel system.
Turn the fuel supply to the OFF position.
Illustration 1 g02686099
Make a temporary identification mark on tube assembly (3) and tube assembly (7) .
Place a suitable container below primary fuel filter (8) in order to catch any fuel that might be spilled. Drain the primary fuel filter . Refer to Operation and Maintenance Manual, "Fuel System Primary Filter (Water Separator) Element - Replace" for the correct procedure.
Remove banjo bolt (1) and remove sealing washers (2) (not shown).
Remove clips (9) from tube assembly (3) and tube assembly (7) .
Remove tube assembly (7) from fuel priming pump (13) .
Remove seal (14) (not shown) from fuel priming pump (13) .
Use Tooling (A) to plug fuel priming pump (13) and primary fuel filter (8) .
Use Tooling (A) to cap tube assembly (7) .
Remove bolts (6) from the tube clips.
Remove tube assembly (3) from fuel priming pump (13) and secondary fuel filter (5) .
Remove seal (4) (not shown) and seal (10) (not shown) from fuel priming pump (13) and secondary fuel filter (5) .
Use Tooling (A) to plugs fuel priming pump (13) and secondary fuel filter (5) .
Use Tooling (A) to caps tube assembly (3) .
Remove bolts (12) from fuel priming pump (13) .Note: Support the fuel priming pump as the bolts are removed.
Remove fuel priming pump (13) from the cylinder block. Remove gasket (11) (not shown).Installation Procedure
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, "General Hazard Information and High Pressure Fuel Lines" for safety information. Refer to System Operation, Testing and Adjusting, "Cleanliness of Fuel System Components" for detailed information on the standards of cleanliness that must be observed during ALL work on the fuel system.
Illustration 2 g02686099
Typical example
Ensure that the gasket surface of the cylinder block is clean and free from damage.
Ensure that fuel priming pump (13) is clean and free from wear or damage. If necessary, replace the fuel priming pump.
Position a new gasket (11) (not shown) onto fuel priming pump (13) .
Position fuel priming pump (13) onto the cylinder block.
Install bolts (12) to fuel priming pump (13) finger tight.
Tighten bolt (12) to a torque of 22 N m (195 lb in).
Remove caps from tube assembly (3) . Install new seal (4) (not shown) and seal (10) (not shown) to tube assembly (3) .
Remove plugs from fuel priming pump (13) and secondary fuel filter (5) .
Install tube assembly (3) to fuel priming pump (13) and secondary fuel filter (5) .
Install bolts (6) to the tube clips.
Tighten the nuts on tube assembly (3) to a torque of 23 N m (203 lb in).
Tighten bolt (6) to a torque of 44 N m (32 lb ft).
Remove caps from tube assembly (7) . Install new seal (14) (not shown) of tube assembly (7) .
Remove plugs from fuel priming pump (13) and primary fuel filter (5) .
Install tube assembly (7) to fuel priming pump (13) and primary fuel filter (8) .
Position a new sealing washer (2) (not shown) onto banjo bolt (1) . Install banjo bolt (1) to tube assembly (7) and position the remaining sealing washer (2) (not shown) onto banjo bolt (1) .
Tighten banjo bolt (1) finger tight.
Install clips (9) to tube assembly (3) and tube assemblies (7) .
Tighten the nuts on tube assembly (7) to a torque of 23 N m (203 lb in).
Tighten banjo bolt (1) to a torque of 21 N m (186 lb in).
Turn the fuel supply to the ON position.
Prime the fuel system. Refer to Operation and Maintenance Manual, "Fuel System - Prime".