Man D 2842 LE 620, Repair Manual

Page: 80 / 180

1
2
3
4
Removing and installing the cylinder head
78
Removing cylinder head
D
Drain off coolant, see page 40
D
Removing injectors, see page 32
D
Remove exhaust pipe, see page 71
D
Remove intake pipe, see page 70
Fig. 1
Remove the cylinder head covers.
Remove the coolant bleed pipe.
Detach fuel leak
− off oil line.
Caution:
Here, oil residues can escape.
Old oil is hazardous waste.
Observe safety instructions for the preven-
tion of environmental damage.
Fig. 2
Back off the valve adjusting screws.
Release and remove the cylinder head bolts in re-
verse order of tightening.
Remove the rocker arm bearing housing.
Fig. 3
Remove the valve bridges.
Take out the push rods.
Fig. 4
Remove the cylinder head and cylinder head seal.
Check whether the cylinder head sealing face and
cylinder block are flat using a straightedge.
Caution:
The cylinder head sealing face must not
be machined.
Comply with the specified nozzle projection and
valve recess (see “Service Data”).
Note:
Check the cylinder heads for cracks.