Pistons and Connecting Rods - Install
Installation Procedure
Show/hide table
Required Tools     | |||
Tool     | Part Number     | Part Description     | Qty     |
A     | 1U-6684     | Piston Ring Compressor     | 1     |
B     | 4C-5593     | Anti-Seize Compound     | 1     |
Show/hide table
NOTICE |
---|
Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
- Place clean engine oil on the following items: the pistons, the piston rings and the cylinder bore.
- Install Tooling (A) in order to compress the piston rings.
Note: All three of the piston ring end gaps should be placed 120 degrees away from each other.
- Install the piston and connecting rod in the engine. Ensure that the proper piston and connecting rod are in the corresponding cylinder with the bearing retainer notch toward the right side of the engine.
Note: The word "FRONT" may be stamped on the crown of the pistons in some engines. Ensure that the word "FRONT" is toward the front of the engine when the piston is installed.
- Install the upper half of the connecting rod bearing in the connecting rod. Place clean engine oil on the surface of the upper half of connecting rod bearing.
- Place the lower half of bearing (2) in connecting rod cap (1) .
Show/hide table
Illustration 1 | g01011732 |
- Place clean engine oil on the surface of the lower half of bearing (2). Install connecting rod cap (1) on the connecting rod.
- Lubricate the connecting rod cap bolts with Tooling (B) .
- Install the connecting rod cap bolts. Tighten the bolts to a torque of 130 ± 7 N·m (95 ± 5 lb ft).
- Place an index mark on each bolt head. Tighten each bolt for an additional 60 ± 5 degrees (1/6 turn).
End By:
- Install the piston cooling jets. Refer to Disassembly and Assembly, "Piston Cooling Jets - Remove and Install".
- Install the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head - Install".
Caterpillar Information System:
C12 Marine Engines Pistons and Connecting Rods - Assemble
2004/11/01 New UPS System Controller Boards Are Now Available {1418}
C12 Marine Engines Pistons and Connecting Rods - Disassemble
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 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
C9 Industrial Engines Jacket Water Heater
G3520C and G3520E Engines Thermostatic Valve
Cat® Digital Voltage Regulator Parameter Viewing and Configuration (Caterpillar Electronic Technician)