Doosan P158LE -III, Руководство по эксплуатации и техническому обслуживанию

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Maintenance of Major Components - 138 -
3) Overhaul and cleaning points
Disassemble the turbocharger from engine and perform a cleaning and inspection, and in this case,
the oil inlet and outlet should necessarily be sealed with tape etc.
4) Precautions in assembling engine
When in assembling the turbocharger or the handling after assembling should work observing the
following precautions necessarily. Particularly, precise care should be taken for foreign material not
to get into the turbocharger.
a) Lubricating system
z
Prior to assembling it into the engine, fill new oil into oil Inlet and turning turbine shaft with
hand, lubricate journal and thrust bearing.
z
Clean the pipe and oil outlet pipe between engine and oil inlet, and confirm if there is any pipe
damage or foreign material.
z
In order for oil not to leak from various connections, assemble securely.
b) Air intake system
z
Confirm if there is any foreign material inside the air intake system.
z
Assemble securely the air intake duct and air cleaner so that the connections from them may
not leak an air.
c) Exhaust system
z
Confirm if there is any foreign material in the exhaust system.
z
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.
z
Assemble securely for gas not to leak from various connecting parts of exhaust pipes.