Doosan AD158TI, Руководство по эксплуатации и техническому обслуживанию

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Disassembly and assembly of major components - 94 -
6.3. Engine Re-assembly
6.3.1. General preparation
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Clean all the disassembled parts, particularly oil and water ports, using compressed air, then check that
they are free from restrictions.
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Arrange the general and special tools in order for engine assembly operation.
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To wet each sliding part, prepare the clean engine oil.
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Prepare service materials such as sealant, gaskets, etc.
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Discard used gaskets, seal rings, and consumable parts, and replace with new ones.
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Apply only the specified torque for bolts in the specified tightening order and avoid over-tightening.
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Be sure to check that all the engine parts operate smoothly after being reassembled.
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Check the bolts for looseness after preliminary re-assembly.
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After completing the engine re-assembly operation, check if there is missing parts or shortage of parts.
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Keep your hands clean during the working.
6.3.2. Cylinder block
Cover the floor of the workshop with wood plate or thick paper to prevent damage to the cylinder
head and place the head face of the cylinder block towards downward.
6.3.3. Cylinder liner
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Replace the used O-rings with new ones
and insert the O-ring in the cylinder liner
upper side, but the other one in the cylinder
block lower side separately.
●
Coat the joint parts where O-ring contacts
with oil.
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After slipping the cylinder liner smoothly
into the cylinder block, press it in being
careful for O-ring not to damage.
●
After completion of assembling the cylinder liner, confirm no leaks with 4 kg/cm
2
hydraulic test.
EA6M2008