Man D 2848 LE 401 Operating Instructions Manual page 48

Changing fuel filter
D Loosen filter with tape wrench and
remove it
D Wet seal on new filter with fuel
D Screw on filter by hand
D After this, bleed the fuel system
D Check filter for leaks
Caution:
Used fuel filters are classed as
dangerous waste and must be dis-
posed of accordingly.
Bleeding the fuel system
Note:
To bleed the fuel system switch on
the "ignition" so that the EHAB will
be open.
An arrow on the filter head indicates the
direction of fuel flow.
D Unscrew bleed screw of first filter in
direction of flow by one or two turns
D Actuate tappet of hand primer until fuel
emerges without bubbles
D Screw in the tappet of the hand pump
again and tighten it
D Close bleed screw again
D Repeat this procedure at the second
bleed screw
D Check filter for leaks
Maintenance and care
50