Doosan GV158TIC, Руководство по эксплуатации и техническому обслуживанию

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Maintenance of major parts - 131 -
c) In case that the end plays to axial and circumference directions, replace or repair the tur-
bocharger.
3) Overhaul and cleaning points
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Be sure to dismantle the turbocharger from the engine before cleaning.
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Also, make sure to seal the oil inlet and outlet with tape or similar.
4) Precautions for turbocharger reassembly
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When in assembling the turbocharger or the handling after assembling should work observing the
following precautions necessarily.
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Particularly, precise care should be taken for foreign material not to get into the turbocharger.
a) Lubricating system
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Prior to assembling it into the engine, fill new oil into oil Inlet and turning turbine shaft with
hand, lubricate journal and thrust bearing.
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In order for oil not to leak from various connections, assemble securely.
b) Air intake system
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Confirm if there is any foreign material inside the air intake system.
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Assemble securely the air intake duct and air cleaner so that the connections from them
may not leak an air.
c) Exhaust system
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Confirm if there is any foreign material in the exhaust system.
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Bolts and nuts must be made of anti-heat steel and in assembling, care should be taken not
use the general nuts and coat the bolts and nuts with the anti-stuck agents at the same
time.
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Assemble securely for gas not to leak from various connecting parts of exhaust pipes.