Removing And Installing Valves - Man D 2840 LE 301 Repair Manual

Removing valves
D Remove rocker arms. Take off cylinder head,
see page 93.
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 lever is required.
Fig. 2
Note:
If a valve fixture is available in the work-
shop, 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
tapered elements using a magnet. Lift assembly
lever (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 are equipped with valve stem
seals (arrow).
Take off valve stern seals. Turn cylinder head over
and take out valves.

Removing and installing valves

1
2
3
4
101