DL06K Interim Tire-4 Diesel Engine Maintenance of Major Components
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(1) Lubricating system
z Before reassembling the turbocharger onto the engine, inject new oil in the oil
inlet port and lubricate the journal and thrust bearings by rotating them with hand.
z Clean not only the pipes installed between the engine and oil inlet port but also
the oil outlet pipe and check them for damage or foreign matters.
z Assemble each joint on oil pipes securely to prevent oil leaks.
(2) Air intake system
z Check the inside of the intake system for foreign matters.
z Assemble each joint on the intake duct and air cleaner securely to prevent air
leaks.
(3) Exhaust system
z Check the inside of the exhaust system for foreign matters.
z Be sure to use heat resisting steel bolts and nuts. Do not interchange them with
ordinary steel bolts and nuts when performing reassembly operation. Apply anti-
seizure coating to the bolts and nuts.
z Assemble each joint on the exhaust pipes securely to prevent gas leaks.
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