18 ENGINE
18.4.21 Removing the valves
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306764-10
306765-10
300117-10
Remove screw plugs
O
with the O-ring.
Screw appropriate screw
8
into the cam lever shaft.
Hold cam levers
8
and remove the cam lever shaft.
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Info
159
I
If the cam levers will continue to be used, note down their installation posi
tion.
Take the shims from the valve spring retainers and put them aside corresponding
to their installation position.
Pre-tension the valve spring using the special tool.
Valve spring mounter (59029019000) (
�
p. 269)
Insert for valve spring lever (77229060000) (
�
p. 273)
Remove the valve keys and unload the valve spring.
Remove the valve spring retainer and valve springs.
Mark the valve spring according to its normal built-in position.
Pull the valve down out of the valve guide.
Remove valve stem seal
8
with the special tool.
I
Pliers for valve stem seals (77229010000) (
�
p. 272)
Remove valve spring seat
0-
Mark the valves corresponding to their installation position.
I
Info
Place the valves in a carton corresponding to their installation position and
label them .