17 .4.21 Removing the valves
311633-10
-
300117-10
17 ENGINE
Remove screw plugs
O
with the O-ring.
Screw appropriate screw @ into the cam lever shaft.
Hold cam levers
fD
and remove the cam lever shaft.
Info
If the cam levers will continue to be used, note down
their installation position.
Take the shims from the valve spring retainers and put them
aside corresponding to their installation position.
Pre-tension the valve springs using the special tool.
Valve spring mounter (59029019000) (
a
p. 288)
Insert for valve spring lever (79029060000) (
a
p. 293)
Remove the valve keys and release the tension on the valve
springs.
Remove the valve spring retainer and valve springs.
Mark the valve springs according to their normal built-in posi
tion.
Pull the valve down out of the valve guide.
Remove valve stem seal
C,
with the special tool.
I
Valve stem seals plier (77229010000) (
a
p. 291)
Remove valve spring seat
0.
Mark the valves corresponding to their installation position.
Info
Place the valves in a carton corresponding to their
installation position and label them.
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197