Man D 2866 LE 401, Repair Manual

Page: 88 / 138

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Removing and installing valves
87
D
Remove rocker arms. Take off cylinder head
see page 79.
Removing valves
Fig. 1
Screw valve assembly lever on to cylinder head.
Note:
Valve spring and valve spring retainer can
also be replaced with the cylinder head
installed. For this purpose the relevant piston
must be at TDC, and the valve assembly le-
ver is required.
Fig. 2
Note:
If a valve fixture is available in the workshop,
the procedure described may also be carried
out on the said fixture.
Use valve assembly lever to press valve spring
retainer and spring downwards and take out ta-
pered elements using a magnet. Lift assembly le-
ver (caution: the spring is loaded) and slew it to
one side.
Figs. 3 and 4
Take out valve discs, springs, discs and valves.
Remove valve assembly lever.
Note:
The engines D 2866 LE4.. are equipped with
valve stem seals (arrow).
Take off valve stern seals. Turn cylinder head over
and take out valves.
3527
3528
3529
3712