9. Intake/Exhaust System
130
5) The turbocharger turbine spins at extremely high speeds
of 50,000~200,000 rpm. Hence, the oil supply of bearings
has a significant impact on the turbocharger life, so make
sure to use genuine engine oil recommended by Hyundai
Doosan Infracore and check and replace the engine oil
periodically.
6) Using a contaminated air cleaner for a prolonged period
of time can cause critical damage to the turbocharger, so
make sure to check and replace the air cleaner regularly.
7) The turbocharger is a highly complex unit of precision
machinery which should only be handled by certified
technicians.
8) Operating the turbocharger without the intake or exhaust
manifold installed may severely damage the engine or
cause physical injuries to workers. The turbocharger
must only be operated with all of the parts installed prop-
erly in their designated positions.
9) Do not grab the turbocharger actuator to lift the turbo-
charger. It can be damaged by the weight of the turbo-
charger.
10) The turbocharger is a heavy unit. When lifting the turbo-
charger to remove or mount it, workers should lower their
center of gravity or hold the turbocharger closely. Other-
wise, the turbocharger may fall, damaging the parts and
causing physical injuries to workers.
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