MHT 10120 L M
Series
27
3
F
F
2
2
- REPLACE THE FUEL PREFILTER CARTRIDGE WITH
WATER SEPARATOR
- Turn knob “1” (Fig. F2/1) clockwise to close the fuel flow dur-
ing cartridge replacement.
- Open drainage valve “2” (Fig. F2/2) and bleed screw “3” (Fig.
F2/1) and collect the water-fuel mixture flowing out of the filter
element in a container.
- Unscrew and remove filter cartridge “4” (Fig. F2/2).
- Unscrew and remove the separator container “5” (fig. F2/2)
from the filter cartridge and clean or replace it, as required.
- Reassemble by following the procedure described in reverse
order, tightening elements “4” and “5” (fig. F2/2) manually on
the filter body.
In the assembly phase, use new lubricated sealing rings.
- Close drainage valve “2” (Fig. F2/2).
- Turn knob “1” (Fig. F2/1) anticlockwise to open the fuel flow.
- Press the small hand pump “6” (Fig. F2/1 - F2/2) repeatedly
until the fuel flows out through the vent hole “3” (Fig. F2/1).
- Then close venting screw “3” (Fig. F2/1).
- Start up the engine and keep it running at minimum for about
one minute to let out the air bubbles automatically from the sup-
ply system.
- Check for fuel leaks from the prefilter.
FIG. F2/2
5
2
6
4
FIG. F2/1
1
3
6