Fig. 44 Fuel system maintenance
1
Fuel tank
1a
Fuel strainer
2
Fuel micro-filter
3
Fuel pre-filter with integrated water trap
4
Fuel pump
➤ Open the right-hand access door.
10.4.3.1 Bleeding the fuel system
Air can enter the fuel system if the fuel tank is empty after a fuel filter change or when carrying out
work on the fuel lines.
If the engine refuses to start despite a full tank, bleed the fuel system.
To prevent the generation of a fault message, never attempt to start the machine during
bleeding process.
Fig. 45 Bleeding the fuel system
1
Fuel prefilter
2
Bleed screw
1. Place a receptacle beneath the fuel pre-filter housing.
2. Open the bleed screw at the filter head.
3. Open the left-hand door.
4. Turn on the «battery isolating switch».
5. Close the doors.
10 Maintenance
10.4 Engine maintenance
112
Operator Manual Screw Compressor
M114 SIGMA CONTROL SMART
No.: 901765 05 USE
