Doosan DL300-3 Mağaza El Kitabı - Sayfa 15

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9.
Install the injector, high-pressure pipe connection and
high-pressure pipe as instructed in the work description.
10. Reset adjacent cylinders.
11. Adjust the valve clearance.
12. Install the upper rocker covers.
13. Install the cooling system vent
14. If the engine has an EGR system:
•
Install the brackets for the water-cooled EGR cooler.
•
Install the water-cooled EGR cooler as described in
the work description for Installing the water-cooled EGR
cooler.
Removing and Installing Valves
AVOID DEATH OR SERIOUS INJURY
Wear protective goggles for eye protection.
1.
Removing Valves
A.
Remove split collets, valve spring collars, springs and
valves. Press down the spring using tool 99 322 in a
press so the collets can be removed.
B.
Place the valves in a stand so they can be reinstalled
in the same position in the cylinder head.
2.
Installing Valves
NOTE:
There are different versions of the combination
valve – valve spring collar – split collet. Parts
from the different versions must not be mixed
on the same valve.
A.
Lubricate all parts well with engine oil before
assembly.
B.
Insert the valve in the guide.
C.
Install the valve springs and the valve spring collar.
D.
Press together the springs in a press with tool 99 322
and install the collets. Ensure that collets are installed
in their correct positions.
Engine
WARNING
Figure 18
Figure 19
99 322
FG020258
99 322
FG020259
SP002541
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