7. Connect the negative cable to the battery.
8. Close the enclosure.
Dispose of fuel and any materials contaminated with it in accordance with environmental pro‐
tection regulations.
Replace the fuel filter:
The fuel filter is a wear part and must be replaced at regular intervals, see maintenance
Precondition Spare part is available.
The old fuel/water separator has been emptied.
1. In order to loosen the old fuel filter, turn the old fuel filter in the direction of the arrow
6
.
2. Remove the old fuel filter.
3. Clean the fuel filter head and sealing face.
4. Smear diesel fuel on the gasket of the new fuel filter.
5. Set new fuel filter into installation position.
6. Turn the new fuel filter clockwise using only hand force until the gasket fits tightly on the seal‐
ing surface.
7. Tighten the new fuel oil filter by hand force.
8. Check if the venting screw on the fuel filter head is tightened.
9. If necessary, tighten the venting screw.
10. Connect the negative cable to the battery.
11. Close the enclosure.
Dispose of old fuel filter, contaminated fuel and any materials contaminated with fuel in ac‐
cordance with environmental protection regulations.
Bleeding the fuel system
Precondition Negative cable to the battery connected.
➤ Bleed the fuel system, see bleeding process, chapter 10.3.3.
Starting the machine and performing a test run:
1. Switch the machine on and run it in IDLE mode for approx. 1 minute.
2. Visually check the fuel system for leaks.
3. Switch off the machine.
4. Re-tighten screw connections.
10.3.4 Changing the engine oil
The engine oil should be changed:
■ according to the maintenance schedule,
■ according to the degree of contamination of the intake air,
■ at least once a year.
10 Maintenance
10.3 Drive engine maintenance
No.: 9_9548 22 HCE
Operating Manual Portable Rotary Screw Compressor
MOBILAIR M27 PE
113
