8.3 Removing cartridge group


Not all tools are identified with a part number. The identification of the tools is ensured with the tools list (included in the toolbox).

- Disconnect the oil lines in accordance with the engine manufacturer's instructions.

Cartridge group
- Withdraw cable (86515) and unscrew speed measuring transmitter (86505) with O-ring gasket (86506).
If provided:
- Disconnect cable to line amplifier (86525).
- Remove O-ring gasket (42012).
- Remove the three screws (61059) and Verbus washers (61058).
- Check lifting equipment and secure to bearing casing (42001).

During removal, a cartridge group that is not lifted in compliance with regulations may fall, and can cause serious or even fatal injury.
- Select a suitable rope taking into account the weight of the cartridge group.

- Press cartridge group down evenly with jack screws (90900) into the holes provided.


If the blades on the rotor have too little or no clearance, this may damage the blades and the casing.
- By turning the rotor, check that the turbine blades do not touch the turbine diffuser.

- Extract the cartridge group and fit supports (90450).
- Cover oil connections.


Work that exceeds the scope of the description in this chapter must only be performed by a trained fitter from an official ABB Turbo Systems service station.

          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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