4.2. Lubricating system
4.2.1. General descriptions and main data
1) 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, fuel injection
pump, and air compressor in order to ensure normal engine performance.
2) Specifications
3) Diagram of lubricating system
Item Specifications Item Specifications
Lubricating system Forced pressure Oil filter type Full-flow
circulation
Oil pump type Gear type Bypass for filter element
Relief valve opening pressure 10L1.5 Valve opening pressure(kg/cm
2
) 1.8~2.3
(kg/cm
2
) Bypass for entire oil filter
Bypass for oil cooler Valve opening pressure(kg/cm
2
) 4.0~4.8
Opening pressure (kg/cm
2
) 5+1
Adjusting valve for spray nozzle
Opening pressure (kg/cm
2
) 1.5~1.8
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