Removal Procedure
Start By:
- Remove the rocker arms and the shaft. Refer to Disassembly and Assembly, “Rocker Arm and Shaft – Remove”.
- Remove the front cover. Refer to Disassembly and Assembly, “Front Cover – Remove and Install”.
|
|
| NOTICE |
|---|
| Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life. |
|
|
|
|
| NOTICE |
|---|
| Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.
Refer to Special Publication, NENG2500, “Caterpillar Dealer Service Tool Catalog” for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. |
|
|
- Remove the pushrods from the engine.
- Turn the crankshaft to top center compression stroke for the No. 1 piston. Refer to Testing and Adjusting, “Finding Top Center Position for No. 1 Piston”.
- Ensure that the timing marks on camshaft drive gear (1) , the idler gear, and the crankshaft gear are aligned.
- Use Tooling (A) to position the valve lifters away from the camshaft.
- Remove bolts (2) and thrust plate (3) .
- Remove camshaft (4) from the cylinder block.