Doosan DL300-3 Посібник з експлуатації - Сторінка 13

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IMPORTANT

If work is done on the 6th cylinder of an engine with an

EGR system, the EGR valve control cylinder must be

detached at the damper and removed.

10. Remove upper rocker cover and then the rocker arm

housing, valve bridges and pushrods.

11. Pull the cable harness out of the lower rocker cover and

remove it.

NOTE:

Take care when pulling the cable harness out of

the rocker cover: the cable terminals can be

damaged which can cause the nut securing the

cable harness to the injector to come loose.

12. Work on the adjacent cylinders. Remove upper rocker

cover, release the cable harness and the lower rocker

cover so it can be moved.

13. Remove relevant cylinder head. Be careful with the

adjacent rocker covers.

NOTE:

Mark the cylinder heads if more than one is

being removed at the same time.

NOTE:

If all cylinder heads are removed at the same

time, the turbocharger must be removed or

supported against the frame.

Installing

Check the liner height as described in the work description

for Checking the liner height.

Clean the cylinder head and cylinder block. Lubricate the

threads and below the heads of the cylinder head bolts.

Install a new cylinder head gasket.

Install the cylinder head.

Engine

Figure 12

Figure 13

FG020251

FG020252

SP002541

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