The document provides instructions for removing and installing valve stem seals, an engine oil filter base, and an engine oil cooler on Caterpillar 3064 and 3066 engines. The summary is:
1) The procedure describes using a seal pick tool to remove old valve stem seals from the valve guides and installing new seals by coating the valve stems with oil.
2) Removing the oil filter base involves using a strap wrench to remove the filter, then checking seals and gaskets before reinstalling the base.
3) Removing the oil cooler first requires removing the fuel injection pump, then bolts securing the cooler are removed to take off the cooler and check the gasket.