Fuel pressure regulator - location/task/design/function - GF47.20-P-4012AM
ENGINE 113.991 in MODEL 215, 220
ENGINE 113.992 in MODEL 230 up to Model Year 2008
ENGINE 113.993 in MODEL 463 up to 31.5.12
ENGINE 113.995 in MODEL 230 up to Model Year 2008
| Fuel pressure regulator - location | Models 215, 220 | GF47.20-P-4012-01M | |
| Model 230 | GF47.20-P-4012-01AM | ||
| MODEL 463 | GF47.20-P-4012-01GA | ||
| Duel pressure regulator - task | The fuel pressure regulator maintains a fairly constant fuel system pressure of about 5.0 bar, quite independently of the delivery rate of the fuel pump (M3). | ||
| Fuel pressure regulator - design | The fuel pressure regulator consists of a sheet metal housing in which there is a valve, a push spring and a membrane. | ||
| Fuel pressure regulator - function | If the set fuel pressure is exceeded, the diaphragm is pressed against the push spring and the valve attached to the membrane frees up the opening for the return to the fuel tank. If the set pressure is below the limit, the valve is closed again by means of the push spring. |