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Doosan GL08K - Page 99

Doosan GL08K
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Maintenance
- 93 -
3.3.26. Intake and exhaust valves
Identify the marks of "IN" and "EX"
impressed on the valve head before
assembling the valve with the valve
head.
With a valve stem seal fitting jig,
assemble the valve stem seal on the
valve guide.
After installing valve springs and spring
retainer, press the retainer with a jig,
then install the cotter pin.
Tap the valve stem lightly with a rubber
hammer to check that the valve is
assembled correctly.
3.3.27. Cylinder head
Blow the bolt holes of cylinder block with a compressed air and remove the foreign matter.
Clean the head gasket contact surface thoroughly.
However, be careful for the foreign material not to enter into the combustion chamber.
Assemble the new head gasket by
aligning the holes with dowel pins of
cylinder block with "TOP" mark facing
upward.
EB5M3019
Compress
the spring
EA0M4007
EB1M3025
TOP

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