Standard tools, such as filter wrench or belts may be used in order to loosen the old fuel filter
for removal. The new fuel filter, however, may only be installed and tightened by hand force.
Material Wrench
Collecting vessel
Cleaning cloth
Precondition The machine is switched off.
The machine is installed on level ground,
the machine has cooled down.
Air consumers are disconnected,
the outlet valves are open,
the machine is fully vented, the pressure gauge reads 0 bar.
The negative cable to the battery is disconnected.
Fig. 37 Fuel/water separator
1
Fuel filter head
2
Venting screw
3
Fuel filter
4
Hand wheel
5
Drain pipe
6
Direction of arrow
7
Fuel outlet
8
Fuel inlet
Emptying the fuel/water separator:
The fuel/water separator must be emptied at regular intervals, see maintenance schedule options,
chapter 10.2.
1. Place a collecting vessel under the water separator fuel filter.
2. Loosen the venting screw
2
on the fuel filter head.
3. Loosen the hand wheel
4
to open the drain pipe.
4. Drain separated water and dirt particles into the collecting vessel.
5. Tighten the hand wheel to close the drain pipe.
6. Tighten the venting screw.
If the venting screw is open, air will continuously flow into the fuel system during the subse‐
quent ventilation process.
10 Maintenance
10.3 Drive engine maintenance
112
Operating Manual Portable Rotary Screw Compressor
MOBILAIR M27 PE
No.: 9_9548 22 HCE