Tools customary in the trade, such as filter wrench or belts may be used in order to loosen
the old fuel filter cartridge for removal. The new fuel filter cartridge, however, may only be in‐
stalled and tightened by hand force.
Precondition The negative cable to the battery is disconnected!
Fig. 36 Changing the filter cartridge
1
Electric fuel pump
2
Fuel filter head
3
Fuel filter cartridge
4
Direction of arrow
1. Place the collecting vessel under the fuel cartridge
3
.
2. Turn the old fuel filter cartridge in the direction of the arrow
4
in order to loosen it.
3. Allow fuel to drain.
4. Remove the old fuel filter cartridge.
5. Clean the fuel filter head and sealing face.
6. Smear diesel fuel on the gasket of the new fuel filter cartridge.
7. Set new fuel filter cartridge into installation position.
8. Turn the new fuel filter cartridge clockwise using only hand force until the gasket fits tightly on
the sealing surface.
9. Tighten new fuel filter cartridge by hand force.
10. Bleed the system as described previously.
Dispose of old fuel filter cartridge, fuel and any materials contaminated with it in accordance
with environmental protection regulations.
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.
10.3.3.3 Option ne
Fuel/water separator maintenance
The fuel/water separator is positioned between the fuel tank and the fuel pump. It protects the fuel
pump against water deposits and against premature wear.
Here, the fuel/water separator is fitted with an additional fuel filter.
10 Maintenance
10.3 Drive engine maintenance
No.: 9_9548 22 HCE
Operating Manual Portable Rotary Screw Compressor
MOBILAIR M27 PE
111
