3. Warm up the engine and let it idle so that the radiator fan turns on and off again.
4. Remove the oil filter, unscrew the D/V of the engine oil pressure and screw the pressure gauge in its place. Install the fuel filter.
5. Start the engine and compare the pressure gauge with the requirements Specifications at different crankshaft speeds.
6. If the specified value is not reached, check the motor (can be damaged, for example, main bearings of the crankshaft), or replace the pressure reducing valve or oil pump.
7. After checking when installing D / V pressure of impellent oil, use a new sealing ring for it, and lubricate the thread with sealant. Tighten Д/В with the demanded effort.