6.3. Lubricating System 6.3.1. General descriptions and main data General descriptions All the engine oil pumped up from the oil pan by the gear type oil pump is filtrated through the oil cooler and oil filter, and this filtrated oil is forced through the main oil gallery in the cylinder block from where it is distributed to lubricate the various sliding parts, and fuel injec- tion pump in order to ensure normal engine performance. Specifications Diagram of lubricating system Rocker arm 록커 암 Cam shaft 캠 축 Piston 피스톤 Air compressor 공기압축기 A/C 펌프 컨넥팅 로드 베어링 메인 베어링 Conn.
rod bearing Main bearing Oil spray nozzle 오일 분사 노즐 Main oil gallery 메인 오일 통로 1.3bar 오일 냉각기 오일 휠터 오일 펌프 Oil pump Oil filter Oil cooler 릴리이프 밸브 Relief valve 4.4bar Valve Valve Valve 5bar 밸브 밸브 밸브 2bar 10bar EQM4 EQM4005I - 157 - MAINTENANCE OF MAJOR COMPONENTS Item Specifications Item Specifications Lubricating system Forced pressure circulation Oil filter type Full flow Oil pump type Relief valve opening pressure Gear type 10L1.5 kg/cm2 Bypass for filter element Valve opening pressure 1.8 ~ 2.3 kg/cm2 Bypass for oil cooler Opening pressure 5+1 kg/cm2 Relief valve Cylinder block main oil gallery 4.0 ~ 4.8 kg/cm2 Adjusting valve for spray nozzle Opening pressure 1.5 ~ 1.8 kg/cm2 WP BRG Turboc과ha급rg기er T/C