3034 Engine for Caterpillar Built Machines Connecting Rod Bearings - Install - Serrated Connecting Rod Caterpillar


Connecting Rod Bearings - Install - Serrated Connecting Rod
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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.


  1. Thoroughly clean all of the components.

  2. Rotate the crankshaft until the connecting rod journal is at the bottom center. Lubricate the connecting rod journal with clean engine oil.


    NOTICE

    Install short pieces of rubber hose over both connecting rod bolts in order to protect the crankshaft from the threaded portion of the connecting rod bolts.


  3. Align the tab on the connecting rod bearing with the tab groove on the connecting rod. Install the upper connecting rod bearing in the connecting rod.

  4. Lubricate the bearing for the upper connecting rod journal with clean engine oil.

  5. Align the tab on the upper connecting rod bearing with the tab groove on the connecting rod cap. Install the connecting rod bearing in the connecting rod cap.

  6. Carefully push the piston and the connecting rod assembly onto the connecting rod journal.

  7. Remove the rubber hose from the connecting rod bolts.

  8. Lubricate the lower connecting rod bearing with clean engine oil.


    Illustration 1g00550548

  9. Put connecting rod cap (2) in position and install nuts (1) that fasten the connecting rod cap to the connecting rod.

  10. Tighten the connecting rod cap nuts to a torque of 54 N·m (40 lb ft).

  11. Rotate the crankshaft in order to ensure that there is no binding.

  12. Repeat Step 2 through Step 11 for the remaining connecting rod caps.

End By:

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

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