106671-7491 ZEXEL INJECTION-PUMP ASSEMBLY Cross 1066717491 me056605

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, 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.Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Remove any coolant lines that may interfere with the installation. Remove any air inlet lines that may interfere with the installation.
Illustration 1 g01006397
Typical example (1) Bolt (2) Washer (3) Air inlet cover
Remove bolt (1) and the washer (2) from the air inlet cover (3). Discard the bolt (1) and the washer (2) .
Disconnect the electrical connector of the injection actuation pressure control valve (7). Remove the injection actuation pressure control valve (7) from the pump. Retain the injection actuation pressure control valve (7) for the reinstallation.Note: Modifications to the tools may need to be made in order to reduce interference with engine components.
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Modified 2P-5494 crowfoot wrench
Remove the hose assembly (5), the connector (8), and the elbow (6). Discard these parts.
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(4) HEUI pump (5) Flexible oil line (6) Elbow (7) Injection actuation pressure control valve (8) ConnectorInstallation of the 240-0716 Tube Kit
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(4) HEUI pump (7) Injection actuation pressure control valve (9) Connector (10) Clip (11) Washer (12) Bolt (13) Spacer (14) Tube assembly (15) O-ring (16) O-ring (17) Elbow
Illustration 5 g01006437
(7) Injection actuation pressure control valve (9) Connector (15) O-ring (16) O-ring (17) Elbow
Apply a light coat of oil to the O-rings (15) and (16) during installation. Install the O-ring (15) on the connector (9). Install the O-ring (16) on the connector (9). Thread the connector (9) into the port on the cylinder head by hand. Tighten to 48 + 5 N m (35 + 4 lb ft).
Apply a light coat of oil to the O-rings (15) and (16) during installation. Install the O-ring (15) on the elbow (17). Install the O-ring (16) on the elbow (17).
Back off the jam nut on the elbow (17) to the top of the threads on the elbow assembly (17). Push the washer tightly against the jam nut. Check that the washer is as tight as possible. Thread the elbow assembly (17) into the port of the HEUI pump (4). Hand tighten the elbow (17) into the port of the HEUI pump until the washer is tight against the HEUI pump (4). Unscrew the elbow assembly (17) no more than one complete turn to 40 degrees.
Align the tube assembly (14) with the connector (9) and the elbow (17). Loosely thread each end of the tube assembly (14) onto the connector (9) and the elbow (17). Position the elbow (17) in order to not create stress in the tube assembly (14) .
Attach the clip (10) to the tube assembly (14). The flat side of the clip (10) must be toward the air inlet cover. Place the washer (11) onto the bolt