PIN 4770930 - Caterpillar

Note: Prior to removal from the engine, the pistons and connecting rod assemblies were marked. The components must be reassembled together. The components must be installed in the original location in the engine. Do not interchange any of the components.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
One-piece piston
Illustration 1 g01033568
Use Tooling (B) to install the piston rings on piston (1). Position the rings so the gaps are 120 degrees from each other.
Assemble piston (1) and connecting rod (4). Install pin (3).
Use Tooling (A) to install retaining ring (2).
Install bearings (5) in connecting rod (4) and connecting rod cap (6). Make sure that bearings (5) are installed with