HOW TO INSTAL PISTON PERKINS 1104 CAT C4.4

How to instal piston Engine Perkins 1104 or CAT C4.4
1. Thoroughly clean all of the components.
2. Lubricate the piston and the cylinder bore with
clean engine oil.
Note: The piston and connecting rod are matched
to a specific cylinder. Ensure that the connecting
rod and pistons are installed in the correct cylinder.
3. Rotate the crankshaft until the connecting rod
journal is at the bottom center. Lubricate the
connecting rod journal with clean engine oil.
4. Ensure that the piston assembly is correctly
marked to the cylinder.
5. Lubricate the bearing shells for the connecting rod with clean engine oil
6. Lubricate the piston sleevewith clean engine
oil and install the piston sleeve.

Note: The arrow or the “FRONT” mark that is on
the top of the piston must be toward the front of
the engine. Ensure that the piston rings are 120
degrees away from each other.

Note: Ensure that the piston sleeve is installed
correctly and that the piston can easily slide from
the tool and into the cylinder.

7. Push the piston and the connecting rod assembly into the cylinder and onto the connecting rod journal
Note: New torx screws must be installed.

Note: Ensure that the etched number on connecting rod bearing cap matches the etched number on connecting rod.

8. Install the cap with the bearing shell onto the
connecting rod journal and the new torx screws
for the cap.
9. Tighten the new torx screws to 18 N·m (13 lb ft).
10. Tighten the torx screws to 70 N·m (52 lb ft).

Again tighten the torx screws by 120 degrees.

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