Figure 358 shows a diagram of the engine lubrication circuit.
Figure 357. It is essential to replace the seal shown.
Figure 358. Schematic diagram of the lubrication circuit of a turbodiesel engine. On diesel engines, some parts are missing. 1. Oil intake mesh filter; 2. Oil pump; 3. Safety valve; 4. Bypass valve (in the oil filter); 5. Oil filter; 6. Oil radiator; 7. Bypass valve (in an oil radiator); 8. Oil pressure switch; 9. Oil temperature alarm switch; 10. Turbocharger bearing lubrication channel; 11. Oil injection nozzles for piston cooling; 12. Rocker shaft; 13. Main lubrication channel