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DE08TS Diesel Engines Maintenance of Major Components

Diagnostics and troubleshooting

Complaints Possible causes Corrections

1. Excessive black smoke 1) Air cleaner element clogged Replace or clean

2) Restrictions in air duct Check and correct

3) Leakage at intake manifold Check and correct

4) Turbocharger seized up and not rotating Disassemble/repair

or replace

5) Turbine blades and compressor blades Disassemble/repair

coming in contact with each other or damaged or replace

6) Exhaust piping deformed or clogged Check and correct

2. Excessive white smoke 1) Oil leak into turbine and compressor Disassemble/repair

or replace

2) Worn or damaged seal ring due to excessive Disassemble/repair

wear of bearing or replace

3. Low engine output 1) Gas leak at each part of exhaust system Check and correct

2) Air cleaner element restricted Replace or clean

3) Turbocharger fouled or damaged Disassemble/repair

or replace

4) Leakage at discharge port on compressor side Check and correct

4. Unusual sound or 1) Rotor assembly coming in contact Disassemble/repair

vibration or replace

2) Unbalanced rotation of rotor Disassemble/repair

or replace

3) Seized up Disassemble/repair

or replace

4) Each joint loosened Check and correct

Doosan DE08TS User Manual

Other manuals for Doosan DE08TS