Working principle of diesel engine Diesel engine compartment with DDE 2.1 regulator 1. Crankshaft pulse sensor 2. Coolant temperature sensor 3. Charge air temperature sensor 4. Discharge...
Turbocharger — general information The OMEGA diesel engine is equipped with a turbocharger. In a turbocharger, both turbine wheels are located on the same shaft, but in housings independent of...
Exhaust gas recirculation (EGR) system The diesel fuel system is equipped with an exhaust gas recirculation system (EGR) to reduce the content of nitrogen oxides (Nox) in exhaust gases. Part of the...
Pre-heating device for diesel engines On a cold engine, the self-ignition temperature by compression is not reached, so the engine must be warmed up. For this purpose, one glow plug is screwed into...
Pre-glow system / glow plugs Location of glow plugs The glow plugs are located under the intake port. If you have difficulty starting the engine, check the engine compression first. If the...
Preheating relay Block 1. Preheating relay 2. DDE control unit Preheat relay circuit Plug cover The corresponding location of the plugs is located on the cover of the relay for...
Removal of air from the power system If the tank has been emptied once, or if a part of the power system has been replaced, then, as a rule, the system will not bleed, as it is bled automatically...
High pressure fuel pump (TNVD) High pressure fuel pump 1. Segment key 2. Oil seal 3. injection pump 4. Fuel cut off valve (solenoid valve) 5. Injection advance clutch 6. Carving plug of the...
Nozzles — check, removal and installation Faulty injectors cause severe engine knocking and subsequently damage to the bearings. Signs of bad injectors: ignition interruptions; knocking in one or more...
Checking / adjusting the start of injection pump To check, a dial indicator with a nozzle for screwing into the pump is used. During the check, the engine must be cooled, the temperature must not exceed...
Inlet manifold — removal and installation Intake manifold 1. Seal 2. intake manifold 3. Thermometer 4. Seal 5. Check valve The intake manifold must be removed, for example when working on the injection...
The main malfunctions of the diesel injection system Before troubleshooting the injection system, the following conditions must be met: exception of an error at start; the presence of fuel in the tank; is the...