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Instructions for installing a high-pressure fuel pump, how to set (adjust) the correct injection start (ignition) moment for a 2.4D 2.9D diesel engine of the OM 615-617 series, for Mercedes T1-T2 (207-410), W123, MB 100 A visual, step-by-step example, well, and, due to incorrect ignition, your engine may smoke, triple, and start poorly - so the topic is important! Setting drop by drop, the method is also suitable for engines of the OM 603 601 605 606 series 0:00 - Introduction, methodology! 1:15 - Start of installation 2:37 - Blind tooth of the fuel injection pump 3:30 - Early and late positions of the fuel injection pump 3:43 - Why everything is not so simple :) 5:05 - About the rise of fuel in the pipe (start of injection) 5:47 - Why the best method for setting the ignition 6:39 - About open/closed supply 7:55 About adjustment on the go (feelings)