Checking and adjusting start of fuel delivery Fig. 5 Remove plug from inspection hole in timing case cover. 5 Fig. 6 Then rotate engine so that mark on pointer fitted to injection pump coincides with mark on pump hub. Read degrees on scale engraved on disc on tor- sional vibration damper. The reading should equal the specified start-of-de- livery setting (see “Service Data”). If not, correct start-of-delivery setting. 6 Adjusting start of delivery Fig. 7 To adjust the start of delivery, the injection pump drive must be made accessible. For this purpose the fuel filter is to be removed. Close cut-off valve from fuel tank to engine. Remove all fuel lines and the filter complete with EHAB.
Caution: The filter cartridges contain fuel. When putting aside the filter, catch emerg- ing fuel in a suitable container. 7 Fig. 8 Remove container together with fuel hand pump too. 8 25