Removing and installing injection pump Removing injection pump Note: The subsequent reinstallation of the injec- tion pump is rendered considerably easier if before its removal the engine has been turned to start of delivery. See page 24. Fig. 1 Remove the charge-air elbow and the charge-air pipes leading to the turbocharger. 1 Fig. 2 Remove the injection lines from the injection pump and from the injection nozzles. 2 Fig. 3 After removal of the injection lines we recommend fitting caps to the connections on the injection nozzles and injection pump. This prevents dirt from getting into the injection system. Caution: Dirt in the injection system causes:
D nozzles to jam D the injection-pump drive gear to break 3 Fig. 4 To set 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 from fuel filter and take off filter complete with EHAB. Caution: The filter cartridges contain fuel. When putting aside the filter, catch emerg- ing fuel in a suitable container. 4 27