C0.5, C0.7, C1.1/3011C, C1.5/3013C, C1.6 and C2.2/3024C/3024CT Industrial Engines and Engines for Caterpillar Built Machines Pistons and Connecting Rods - Install Caterpillar


Pistons and Connecting Rods - Install
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Installation Procedure


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.


  1. Thoroughly clean all the components.

    Note: Refer to Disassembly and Assembly, "Connecting Rod Bearings - Install" for the inspection procedure of the connecting rod bearings and the crankshaft connecting rod journals.

  2. Apply clean engine oil to the following components:

    • Crankshaft journals

    • Inside the cylinder bores

    • Piston rings

    • Connecting rod bearings

    Note: The piston and the connecting rod are matched to a specific cylinder. Ensure that the connecting rod and the pistons are installed in the correct cylinder.

    Note: Do not punch the connecting rod or stamp the connecting rod assembly which may cause damage.

  3. Rotate the crankshaft until the bearing journal is at the bottom center.


    Illustration 1g01111980
    typical example

  4. Use a suitable piston ring compressor (1) to compress the piston rings.

    For the C0.5 and C0.7 engines, the piston ring compressor should be suitable for a piston 67 mm (2.64 inch).

    For the C1.1/3011C and C1.6 engines, the piston ring compressor should be suitable for a piston 77 mm (3.03 inch) in diameter.

    For the C1.5/3013C, C2.2/3024C and C2.2/3024CT engines, the piston ring compressor should be suitable for a piston 84 mm (3.31 inch) in diameter.

    Note: Move the piston rings on the pistons until the ring openings are separated by approximately 90 degrees. Refer to Disassembly and Assembly, "Pistons and Connecting Rods - Assemble".



    Illustration 2g01112036
    Typical example

  5. Put the piston and the connecting rod in the cylinder bore. Align the identification marks on the top of the piston to the front of the cylinder block. Align the identification marks (3) on the side of the connecting rod to the right side of the cylinder block.

    Note: The right-hand side is determined from the flywheel end of the engine.

    Note: Ensure the piston ring compressor (1) is installed correctly to allow the piston and the connecting rod to slip easily into the cylinder block. Use tape or rubber tubing on the connecting rod bolts to protect the crankshaft journals.

  6. Align the piston and the connecting rod assembly with the crankshaft. Use a soft faced hammer (2) to tap the piston into the cylinder bore until the piston ring compressor (1) comes off the piston.


    Illustration 3g01116685
    Typical example

  7. Push the piston and the connecting rod assembly into the cylinder. Guide the connecting rod assembly onto the connecting rod journal.

  8. Install the connecting rod cap (4) and the connecting rod nuts (5).

    For the C0.5 and C0.7 engines, tighten the nuts (5) for the connecting rod cap (4) to a torque of 23 N·m (17 lb ft).

    For the C1.1/3011C and C1.6 engines, tighten the nuts (5) for the connecting rod cap (4) to a torque of 32 N·m (24 lb ft).

    For the C1.5/3013C, C2.2/3024C and C2.2/3024CT engines, tighten the nuts (5) for the connecting rod cap (4) to a torque of 52 N·m (38 lb ft).

  9. Repeat Steps 1 through 8 for the remainder of the pistons and connecting rods.

  10. Rotate the crankshaft to ensure that no binding occurs.

End By:

  1. Install the oil suction screen. Refer to Disassembly and Assembly, "Crankshaft - Install".

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

  3. Install the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head - Install".

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