HOSE AS 2109597 - Caterpillar

1. Use Tool (A) to remove the engine oil filter.
Typical Example2. Remove bolts (1) and the washers that hold the tube to the oil pump elbow. Remove bolts (2) and the washers that hold oil pump elbow (3) to the cylinder block.
Typical Example3. Remove four bolts (4) and the washers that hold the engine oil pump to the front housing. Remove the engine oil pump and the oil pump elbow (3) as a unit. The following steps are for the installation of the engine oil pump.4. Check the condition of the O-ring seal used at the tube-to-oil pump elbow connection and the O-ring seal used on the engine oil pump. If the seals are worn or damaged, use new parts for replacement.5. Install the O-ring seal in the oil pump elbow (3). Install the O-ring seal on the engine oil pump. Lubricate the bore in the front housing with clean engine oil. Put the engine oil pump in position in the front housing.6. Install four bolts (4) and the washers that hold the engine oil pump to the front housing.7. Install two bolts (2) and the washers that hold the oil pump elbow (3) to the cylinder block.8. Install two bolts (1) and the washers that hold the tube to the oil pump elbow (3).