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TUBE AS 3157494 - Caterpillar



3157494 TUBE AS Caterpillar parts TUBE
Rating:
76
Alternative (cross code) number:
CA3157494
315-7494
3157494
Caterpillar 3157494 TUBE AS

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Illustration 3 g02351981
Remove plug (1) and remove O-ring seal (2).
Illustration 4 g02351995
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 5 g02025176Note: For installation purposes, mark and note the orientation of each harness assembly (3).
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 6 g02029098
Disconnect tube assemblies (9).
Disconnect hose assemblies (10) and (11).
Remove bolts (8).
Illustration 7 g02029093
Disconnect tube assembly (12).
Illustration 8 g02025262
Remove bolts (13) and remove fuel pump (14). Installation Procedure
Note: Check the O-ring seals, the gaskets, and the seals for wear or for damage. Replace the components, if necessary.
Illustration 9 g02025262
Position fuel pump (14) and install bolts (13).
Illustration 10 g02029093
Connect tube assembly (12).
Illustration 11 g02029098
Install bolts (8).
Connect tube assembly (9) and connect both hose assemblies (10) and (11).
Illustration 12 g02025176Note: During installation, make sure that the fuel line caps remain in position until the fuel line is positioned near the corresponding ports 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 13 g02351995
Remove Tooling (E). 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 14 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 15 g02112896
Remove all tooling. Reinstall plug (X) into the timing hole that is located in the flywheel housing.


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