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30/ENGINE - WORK ON INDIVIDUAL PARTS
Removing the valves
19.11
–
Check rocker arm shafts
»
If there is damage or wear:
–
Change the rocker arm shafts.
–
Check the contact surface of adjusting screws
»
If there is damage or wear:
–
Change the adjusting screws.
–
Check rocker arm rollers
»
If rocker arm rollers
600275-10
–
Change the rocker arms.
–
Install the short rocker arm shaft
–
Align the holes in the shafts with the holes in the cylinder head top section
600276-10
–
Clean the end caps thoroughly and check for damage and wear. Replace damaged
or worn parts.
–
Install the end caps with the O-rings.
Info
The hole in the end cap
head top section
600277-10
–
Pretension the valve springs using the special tool.
Valve spring mounter (59029019000) (
–
Remove the valve keys and release the tension on the valve springs.
600278-01
–
Remove the spring retainer and springs.
–
Pull valve
remove the lower valve spring retainer
600279-10
–
Mark the valve to indicate the installation position.
Info
Place the valve into a box according to the installation position and label the
box.
200189-10
for damage and wear.
for smooth operation and radial clearance.
are stiff or if there is radial clearance:
and the long rocker arm shaft
must be aligned with the hole in the cylinder
and the rocker arm shaft.
downward out of the valve guide, remove the valve stem seal
.
for damage and wear.
.
P. 208)
107
.
and
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