Maintenance and Care
MAN marine diesel engines D2868 LE4.. / D2862 LE4..
85
Carefully read through the Operating Instructions before starting any work!
This particularly applies to the General Safety Instructions section
and the safety instructions in the various chapters.
4. Clean the filter cup
4
then fit a new O-ring
5
and screw into the housing.
Tightening torque
25-30 Nm
. . . . . . . . . .
Change the two-stage fuel filter's second fuel filter cartridge.
8.4.3
Bleeding the fuel system
1. Undo the bleed screws
1
.
2. Loosen the plunger
2
of the hand pump
3
.
3. Actuate the plunger
2
of the hand pump until
fuel emerges at bleed screws
1
without
bubbles.
4. Tighten the bleed screws
1
.
Tightening torque
25-30 Nm
. . . . . . . . . .
5. Screw the hand pump plunger back in and
tighten it.
6. Check the fuel system for leaks.