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The VOLK Diesel Tow Tractor DFZ 30 N can be optionally equipped with an ETB diesel particle filter
(model ECR 30). Diesel particle filters filter out soot particles contained in diesel motor emissions and are therefore required by law for use in closed buildings. Because the soot separation of the model ECR 30 is approximately 98%,
almost no harmful particles reach the environment.
Since the retained soot particles accumulate in the filter in the course of time, diesel particle filters must be cleaned or regenerated regularly. To guarantee maximum user
friendliness, the model ECR 30 is equipped with an internal regeneration system. This means that the filter does not have to be removed out of the vehicle in order to be cleaned, as is still usual in many cases. Instead the vehicle is
simply connected to a 230 Volt power outlet with an extension cable. Then the filter is electrically heated by the automatically operating regeneration system for a period of approx. one hour. The soot particles retained in the filter
burn into almost solely harmless substances such as water vapor and carbon dioxide at an electroni-
cally controlled temperature.
To make sure regeneration is not forgotten in the hectic rush of daily business, the particle
level in the filter is continuously monitored by a self-diagnosis system. When regeneration is necessary, this is indicated to the driver by a control light in the driver’s cab
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