PISTON 0021232 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 194-3536 T40 Torx Socket 1 Note: To remove a cast iron oil pan, the engine must be removed from the application. Ensure that the engine lubricating oil is drained. Refer to Operation and Maintenance Manual, "Engine Oil and Filter - Change" for the correct procedure.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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.Dispose of all fluids according to local regulations and mandates.
Note the position and orientation of any blanking plates that are removed from the engine oil system for installation purposes.
The engine should be mounted in a suitable stand and placed in the inverted position.
Disconnect the breather hose from the clip that secures the hose to the engine oil pan. Position the breather hose away from the engine oil pan.
Illustration 1 g01340605
Typical example
If necessary, remove the assembly of dipstick tube. Loosen nut (1) and remove tube assembly (2). Remove seal (3) from the tube assembly.Note: Identify the position and orientation of the tube assembly.
Illustration 2 g01340731
Typical example
Attach a suitable lifting device to engine oil pan (7) and support the weight of the engine oil pan. The engine oil pan can weigh 100 kg (220 lb).
Use Tooling (A) to remove the four torx screws (11).
Remove nuts (10). Remove bolts (8) and (9).Note: The bolts are different lengths. Note the position of the different bolts.
Use the lifting device to remove engine oil pan (7) from the cylinder block.
Remove joint (4) from the cylinder block.
Remove drain plug (5).
Remove O-ring seal (6) from oil drain plug (5).