159219-1400 ZEXEL 9 421 613 161 BOSCH COILED SPRING 9421613161 1592191400 8971159830

Install Tooling (E). Tighten Tooling (E) to a torque of 9 1 N m (80 9 lb in).Note: The pump will not function while Tooling (E) is installed. Running the fuel injection pump with the tooling installed will result in pump damage and system contamination.
Illustration 6 g02025176
Disconnect harness assemblies (3).
Remove nut (5) and remove the clamp assembly. Discard the clamp assembly.
Loosen nuts (4) and (7). Remove the fuel line and discard the fuel line.
Disconnect hose assembly (6).
Illustration 7 g02029098
Disconnect tube assemblies (9).
Disconnect hose assemblies (10) and (11).
Remove bolts (8).
Illustration 8 g02029093
Disconnect tube assembly (12).
Illustration 9 g02025262
Remove bolts (13) and remove fuel pump (14).Installing the Fuel Injection Pump
Note: Check the O-ring seals, the gaskets, and the seals for wear or for damage. Replace the components, if necessary.
Illustration 10 g02385860
Service replacement pump
Note: Service replacement pump is shipped pinned with warning tag (Z) installed under pinch bolt (E).
Illustration 11 g02025262
Position fuel pump (14) and install bolts (13).
Illustration 12 g02029093
Connect tube assembly (12).
Illustration 13 g02029098
Install bolts (8).
Connect tube assembly (9) and connect both hose assemblies (10) and (11).
Illustration 14 g02025176Note: During installation, make sure that the fuel line caps remain in position until the fuel line is positioned near the corresponding ports in order to prevent contamination. Ensure that the areas around the rail and fuel lines are thoroughly clean before continuing this procedure. If any parts are worn or damaged, use new parts for replacement. Cleanliness is an important factor. Ensure that no debris gets introduced into the fuel system during the installation procedure. If any parts are worn or damaged, use new parts for replacement.
Connect harness assemblies (3).
Install a new fuel line. Hand tighten nuts (4) and (7).
Position the clamp assembly and install nut (5). Hand tighten the nut. Failure to place the grommet correctly on the fuel line could result in a failed fuel line.Note: Ensure that the fuel lines are centered in the nuts prior to tightening. Do not use excessive force or bending in order to assemble the fuel lines.
Tighten nut (4) at the fuel rail to a torque of 27 3 N m (239 27 lb in).
Tighten nut (7) to a torque of 27 3 N m (239 27 lb in).
Tighten nut (5) to a torque of 12 3 N m (105 27 lb in).
Illustration 15 g02351995
Remove Tooling (E) and warning tag (Z).Note: The pump will not function while Tooling (E) is installed. Running the fuel injection pump with the tooling installed will result in pump damage and system contamination.
Illustration 16 g02351981
Install O-ring seal (2) and plug (1). Tighten the plug to a torque of 9 1 N m (80 9 lb in).
Illustration 17 g02112896
Remove all tooling. Reinstall plug (X) into the timing hole that is located in the flywheel housing.
Connect Caterpillar Electronic Technician (ET). Perform a “Fuel System Functional Test ”and a “Fuel System Verification Test”.