Fuel Injection System - Diesel: Description
The fuel injection system used on Mercedes 190D models includes the following components: pre-filter, main filter, fuel injection Pump with mechanical governor, and injection nozzles. In addition, the injection pump is equipped with an altitude compensating device and a vacuum control shut-off unit. A glow plug system is used to assist in cold starting operation.
The 190D injection system also has the following features: Lubrication of the injection pump; Relief throttle in delivery valve holder; Pneumatic idle speed increase; Reference impulse verification (RIV); Injection timing by means of adjusting device; A self-venting system; High capacity fuel pump (eliminates hand pump); Injection timer mounted directly on injection shaft and a fuel heater.