Troubleshooting 7.1 Diagnosis Chart If engine problems occur, they frequently have their cause in improper operation or engine maintenance. If problems do occur, always check first that the operating and maintenance instructions have been followed. A diagnosis chart is given on the facing page. If you cannot identify the cause of the problem or are unable to rectify it yourself, please contact DEUTZ Service. Before starting, make sure that nobody is standing in the imme- diate vicinity of the engine or driven machine. Important: When carrying out repair work, never start the engine with speed governor removed. Disconnect battery. ! 7