4.1 Servicing work (part-1)

Servicing work during operation includes visual checks, monitoring and measuring as well as inspection and function checks in order to ensure correct functioning of the turbocharger. It serves as an aid to detecting anomalies during operation, thus preventing damage to the machine. The inspection, measurement and servicing operations listed must be carried out at the intervals indicated.


The pertinent safety instructions must be observed during all servicing work.

Servicing work must be carried out at the prescribed intervals in order to avoid damage to and malfunctioning of the turbocharger.

4.1.1 Servicing work every 25 to 50 hours

Operation data
·         must be recorded
·         Enter in the machine logbook
·         In the event of significant anomalies, establish the cause


If you are unable to establish the cause of the anomalies, contact an official ABB Turbo Systems service station.
4.1.2 Entries in the machine logbook

Monitoring of the machine plant provides information about the performance of the turbocharger.
The following operation data and measurement values must be entered regularly in the engine manufacturer's machine log book:

·         Output and speed of the engine
·         Air intake temperature
·         Exhaust temperature before and after the turbine
·         Pressure of the charge-air
·         Pressure drop in the charge-air cooler
·         Lubricating oil pressure, lubricating oil temperature

If provided
·         Air temperature after compressor and after the charge-air cooler
·         Speed of the turbocharger
·         Pressure loss in the air filter

          1. Purpose of the manual
          2. Layout and function
          3. Correct use of the turbocharger
          4. Essential information
          5. Abbreviations and symbols
          6. Turbocharger rating plate
          1. Basic safety instructions
          2. General safety instructions
          3. Special safety instructions
          4. Safety instructions and hazard protection
          5. Warnings on the turbocharger
          1. Oil supply
          2. Inspection work
          3. Putting into operation after laying up
          1. Servicing work
          2. Monitoring
          3. Emergency mode TPL..VA
          4. Surging of turbocharger
          5. Contact with rotating parts
          6. Shutting the engine down
          1. Foreword to MaintenanceServicing work
          2. Cleaning the filter silencer
          3. Cleaning the compressor during operation
          4. Cleaning turbines and guide blades in operation
          1. Possible remedies for failures
          1. Turbocharger weights
          2. Remove the turbocharger
          3. Installing the turbocharger
          1. Module weights
          2. Remove filter silencer/air suction branch and compressor casing
          3. Removing cartridge group
          4. Axial clearance
          5. Disassembling and assembling the turbine diffuser
          6. Dismantle the VTG unit together with the gas inlet casing
          7. Installing the VTG unit and gas inlet casing
          8. Installing the cartridge group
          9. Install filter silencer/air suction branch and compressor casing
          10. Table of tightening torques
          1. Possibilities for emergency repair
          2. Fitting the cover plate
          3. Blocking the inlets and outlets
          4. Bypass the turbocharger
          1. Taking out of operation for up to 12 months
          2. Taking out of operation for more than 12 months
          1. Ordering spare parts
          2. Directory of part numbers
          3. General view of turbocharger
          4. General view of cartridge group
          5. General view of VTG unit

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