Pistons and Connecting Rods - Disassemble
Disassembly Procedure
Show/hide table
| Required Tools | |||
| Tool | Part Number | Part Description | Qty |
| A | 4C-3601 | Piston Ring Expander | 1 |
| B | 5P-8639 | Hydraulic Press | 1 |
| 8F-0024 | Hose Assembly | 1 | |
| 1P-2375 | Connecting Coupler | 1 | |
| 1P-2376 | Connecting Coupler | 1 | |
| 5P-9725 | Hydraulic Cylinder | 1 | |
| 5P-8651 | Spacer | 1 | |
| 5P-8649 | Adapter | 1 | |
| 5P-8650 | Adapter | 1 | |
Start By:
- Remove the pistons and the connecting rods. Refer to Disassembly and Assembly, "Pistons and Connecting Rods - Remove ".
Show/hide table
| NOTICE |
|---|
Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
- Use Tooling (A) to remove piston rings (1) from piston crown (2) .
Show/hide table
 | |
| Illustration 1 | g01062444 |
Show/hide table
 | |
| Illustration 2 | g01062446 |
- Remove plug (3) and piston pin (5) .
- Separate piston crown (2) from piston skirt (4) and connecting rod (7) .
- Raise the temperature of connecting rod (7) along Length (X). The maximum distance of Length (X) is 85.0 mm (3.35 inch).
Show/hide table
| NOTICE |
|---|
The connecting rod must be heated for the installation of the piston pin bearing. Do not use a torch. |
- Use Tooling (B) to remove old bearing (6) and install new bearing (6) at the same time.
- The bearing joint must be within 10 degrees of one of the locations that are indicated by the arrows.
Caterpillar Information System:
C12 Marine Engines Pistons and Connecting Rods - Remove
C12 Marine Engines Cylinder Liner - Install
C12 Marine Engines Cylinder Liner - Remove
C12 Marine Engines Engine Oil Pan - Remove and Install
C12 Marine Engines Camshaft - Install
C12 Marine Engines Camshaft - Remove
C12 Marine Engines Front Cover - Install
C12 Marine Engines Front Cover - Remove
2004/09/01 Improved Flash files are Now Used on RV Applications {7620}
C12 Marine Engines Valve Mechanism Cover - Remove and Install
C12 Marine Engines Accessory Drive - Install
C12 Marine Engines Accessory Drive - Remove
2004/11/01 New UPS System Controller Boards Are Now Available {1418}
C12 Marine Engines Pistons and Connecting Rods - Assemble
C12 Marine Engines Pistons and Connecting Rods - Install
C12 Marine Engines Connecting Rod Bearings - Remove
C12 Marine Engines Connecting Rod Bearings - Install
C12 Marine Engines Crankshaft Main Bearings - Remove
C11 and C13 Engines for Caterpillar Built Machines Can Not Reach Top Engine RPM
C12 Marine Engines Crankshaft Main Bearings - Install
C12 Marine Engines Crankshaft - Remove
C9 Industrial Engines Electric Starting Motor
C12 Marine Engines Crankshaft - Install
C12 Marine Engines Crankshaft Gear - Remove and Install