10.4.3.3 Fuel filter maintenance
Fig. 57 Fuel filter maintenance
1
Filter holder
2
Filter cartridge
3
Turn in this direction to unscrew the filter cartridge.
1. Place a container beneath the fuel filter.
2. Use a filter wrench to loosen then unscrew the filter cartridge. Catch fuel in the receptacle.
3. Carefully clean the filter holder sealing face using lint-free cloth.
4. Lightly coat the filter holder rubber gasket with fuel.
5. Lightly coat the new fuel filter cartridge with fuel and screw tight by hand.
6. Activate the «battery isolating switch».
7. Close the door.
The fuel system must be bled after the filter cartridge has been changed.
Dispose of fuel and any materials and components contaminated with it in accordance with
environmental protection regulations.
Further information The engine service manual gives further information on fuel filter changing.
Starting the machine and performing a test run:
1. Switch the machine on and run it in IDLE mode for approx. 1 minute.
2. Shut down the machine.
3. Open the right-hand access door.
4. Visually check the fuel system for leaks.
5. Tighten all fittings.
6. Close the door.
10.4.4 Checking the engine oil level
The engine oil is indicated by a dipstick in the oil sump. The oil level should ideally be between the
two marks on the dipstick. The oil level should not be allowed to fall below the «minimum level».
10 Maintenance
10.4 Engine
No.: 9_9425 01 E
Service Manual Screw Compressor
M170 SIGMA CONTROL MOBIL
113
