Repair of the TK-18 (TK-18S) Turbocharger

The repair of the TK-18 (TK-18S) turbocharger installed on the TGM4 locomotive is an essential procedure to maintain the efficiency and reliability of the locomotive

The repair process involves several stages and requires specialized equipment and skilled personnel.

Main Stages of Repairing the TK-18 (TK-18S) Turbocharger:

1. Disassembly of the Turbocharger:

• The turbocharger is removed from the locomotive engine with all safety measures observed.

• Before disassembly, all connections, including air and oil lines, must be disconnected.

2. Cleaning and Diagnostics:

• All turbocharger parts are thoroughly cleaned from contaminants and deposits.

• Visual and instrumental diagnostics are carried out to detect damage and wear of components.

3. Disassembly:

• The turbocharger is disassembled into separate components for detailed inspection.

• Special attention is paid to the condition of the impellers, shaft, bearings, and seals.

4. Assessment of Component Condition:

• Measurements of all critical parameters of parts (diameters, clearances, runouts) are taken.

• Components that need replacement or repair are identified.

5. Repair and Replacement of Parts:

• Worn or damaged parts are replaced with new or refurbished ones.

• Rotating components are balanced to prevent vibrations and extend the turbocharger’s service life.

6. Assembly and Testing:

• The turbocharger is reassembled in accordance with all technical requirements.

• Bench tests are performed to check the operational capability and compliance with standards.

7. Installation on the Locomotive:

• The repaired turbocharger is installed back on the locomotive engine.

• All necessary connections are made, and checks are conducted to ensure there are no leaks.

8. Testing on the Locomotive:

• After installation, the turbocharger is tested under working conditions on the locomotive.

• Boost pressure, temperature, and other operational characteristics are checked.

Importance of Regular Maintenance of the TK-18 (TK-18S) Turbocharger

Regular maintenance and timely repair of the TK-18 (TK-18S) turbocharger are crucial for ensuring the reliable operation of the TGM4 locomotive.

Delayed maintenance can lead to reduced power, increased fuel consumption, and potential engine failures.

Repairing a turbocharger is a complex process requiring a high level of professionalism and the use of specialized equipment.

Quality repair work contributes to extending the turbocharger’s service life and enhancing the overall efficiency of the locomotive.

ZTRZ performs repairs on the TK-18 (TK-18S) turbocharger. Contact our managers for more information.