Pistons and Connecting Rods - Remove
Removal Procedure
Show/hide table
Required Tools     | |||
Tool     | Part Number     | Part Description     | Qty     |
A     | 8S-2269     | Ridge Reamer     | 1     |
Start By:
- Remove the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head - Remove".
- Remove the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan - Remove and Install".
Show/hide table
NOTICE |
---|
Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
- Use Tooling (A) to remove the carbon ridge from the top inside surface of the cylinders.
- Rotate the crankshaft in a clockwise direction until the pistons that are being removed are at the bottom center position.
- Inspect the connecting rod and connecting rod cap for the proper identification marks.
- Remove nuts (1) that hold connecting rod cap (2) to the connecting rod.
Show/hide table
Illustration 1 | g01001736 |
Note: The connecting rod and the connecting rod cap should have matching Numbers (X) on the side. Mark the connecting rod and the connecting rod cap, if necessary.
Show/hide table
Illustration 2 | g01033467 |
- Remove connecting rod cap (2) and the lower connecting rod bearing.
- Push the pistons and the connecting rods through the top of the cylinder block.
Note: Use tape or rubber tubing on the connecting rod bolts to protect the crankshaft journals from damage.
- Note that Mark (Y) on the top of the piston faces the front. Note that Mark (Y) and Number (X) are on the right side for the purpose of reassembly.
Show/hide table
Illustration 3 | g01033470 |
- Repeat Steps 1 through 7 in order to remove the remaining pistons and connecting rods.
Caterpillar Information System:
627F Wheel Tractor-Scraper Hydraulic System Oil Sample - Obtain
3044C Industrial Engine and Engines for Caterpillar Built Machines Inlet Manifold - Install
3044C Industrial Engine and Engines for Caterpillar Built Machines Inlet Manifold - Remove
627F Wheel Tractor-Scraper Engine Oil Sample - Obtain
3044C Industrial Engine and Engines for Caterpillar Built Machines Engine Oil Pan - Remove and Install
953C Track-Type Loader Machine Systems Communication Electronic Control Module (Product Link)
3044C Engine for Caterpillar Built Machines Camshaft Bearings - Remove and Install
953C Track-Type Loader Machine Systems Muffler
AD30 Underground Articulated Truck Power Train Cover Group (Transmission)
966H and 972H Wheel Loaders Bucket Upper Pivot Bearings - Lubricate
980G Wheel Loader Bucket Lower Pivot Bearings - Lubricate
627F Wheel Tractor-Scraper Differential and Final Drive Oil Sample - Obtain
953C Track-Type Loader Power Train Final Drive and Sprocket - Disassemble
2003/06/16 Correction to Specifications , "Synchronization Manifold" {3168}
3044C Industrial Engine and Engines for Caterpillar Built Machines Pistons and Connecting Rods - Disassemble
834H Wheel Dozer and 836H Landfill Compactor Daily Inspection
3044C Industrial Engine and Engines for Caterpillar Built Machines Pistons and Connecting Rods - Assemble
834H Wheel Dozer and 836H Landfill Compactor Monitoring System
3044C Industrial Engine and Engines for Caterpillar Built Machines Pistons and Connecting Rods - Install
3044C Industrial Engine and Engines for Caterpillar Built Machines Connecting Rod Bearings - Remove
953C Track-Type Loader Power Train Final Drive and Sprocket - Assemble
3044C Industrial Engine and Engines for Caterpillar Built Machines Connecting Rod Bearings - Install
953C Track-Type Loader Machine Systems Track
953D Track-Type Loader Power Train Pivot Bar