Pages 35 and 38 FC DA valve and IPR path PDF

A technical documentation that provides detailed explanations on the diesel engine low and high-pressure oil systems, focusing specifically on the De-aeration Valve and High-Pressure Return Oil Control. The document includes schematics of these systems and describes the function and installation details of the de-aeration valve in oil passages. It explains the redesign after certain engine serial numbers to eliminate the valve and retain oil pressure better. Additionally, the High-Pressure Return Oil Control section provides insights into the control improvements and introduces various components involved in the oil circulation process.