C1.1, C1.5 and C2.2 Engines for Caterpillar Built Machines Connecting Rod Bearings - Install Caterpillar


Connecting Rod Bearings - Install
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1.1. Installation Procedure

Installation Procedure


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.



NOTICE

When the connecting rod caps are installed, ensure that the identification marks are aligned.




    Illustration 1g01111763
    Typical example

  1. Check the clearance between the connecting rod bearing and the connecting rod bearing journal of the crankshaft. Install the connecting rod bearings dry when the clearance checks are made. Refer to Disassembly and Assembly, "Bearing Clearance - Check" for information on bearing clearance checks.

  2. Clean the bearing surface of the connecting rod (1) and the connecting rod cap (5). Ensure that the number (6) on the connecting rod cap (5) aligns with the number (6) on the connecting rod (1).

  3. Clean the upper connecting rod bearing (3) and lubricate the bearing face with clean engine oil.

  4. Clean the lower connecting rod bearing (3) and lubricate the bearing face with clean engine oil.

    Note: Align the tabs on the back of the connecting rod bearings (3) with the tab grooves in the connecting rod (1) and the tab grooves on the connecting rod cap (5).

  5. Install the upper connecting rod bearing (3) to the connecting rod (1).

  6. Position the connecting rod (1) against the crankshaft.

  7. Install the lower connecting rod bearing (3) in the connecting rod cap (5).

  8. Install the connecting rod cap (5) in position on the connecting rod (1) and install the nuts (4) to the connecting rod bolts (2). Refer to Disassembly and Assembly, "Pistons and Connecting Rods - Install" for the correct torque of the connecting rod nuts (4).

    Note: The identification marks must face the right hand side of the engine for the correct installation.

  9. Repeat Steps 2 through 8 for the installation of the remaining connecting rod bearings.

End By:

  1. Install the oil supply tube assembly. Refer to Disassembly and Assembly, "Engine Oil Pump - Install".

  2. Install the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan - Remove and Install".

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