Operating Instructions
153 146 203
C 9.92
Maintenance every 1000 service
hours
Checking the engine valve clearances
- Check the valve clearances of the engine with reference
to the operating instructions of the engine manufacturer.
Special knowledge and special tools are required for
this service.
Entrust your authorized dealer with this service.
Checking the glow plugs
- Refer the operating instructions of the engine manu-
facturer.
Replacing the fuel filter element
- Replace the fuel filter element according to the
operating instructions of the engine manufacturer.
Cleaning the strainer in the fuel pump, re-
placing if necessary
- Clean the strainer and, if necessary, replace it according
to the procedure in the engine operating instructions.