Industry publication for railway transport specialists

Repair of KG-12.5 Generator

Provider:

ZTRZ

Contacts:

+380 955001002
+380 955740044

locomotive@ztrz.com.ua
ztrz@ukr.net
perekrestv@gmail.com

http://ztrz.com.ua

The KG-12.5 generator, installed on the TGM4 diesel locomotive, plays a crucial role in providing power to various systems of the locomotive.

The reliable operation of this generator directly affects the efficiency and safety of the locomotive’s operation.

Key Stages of Repairing the KG-12.5 Generator:

1. Removal of the Generator:

• The KG-12.5 generator is carefully removed from the locomotive, adhering to all safety measures.

• Before removal, all electrical and mechanical connections must be disconnected.

2. Cleaning and Initial Diagnosis:

• All generator components are thoroughly cleaned of dirt and deposits.

• Initial diagnostics are performed to identify visible damage and wear.

3. Disassembly of the Generator:

• The generator is disassembled into individual units and parts for detailed inspection.

• Special attention is given to the condition of windings, bearings, brushes, and commutator.

4. Assessment of Component Condition:

• Measurements of all critical parameters of the parts are taken (winding resistance, brush wear, commutator and bearing condition).

• Components that require replacement or repair are identified.

5. Repair and Replacement of Parts:

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

• Repairs are made to windings, and brushes and bearings are replaced, and the commutator is cleaned and polished.

6. Reassembly of the Generator:

• The generator is reassembled in accordance with all technical requirements and standards.

• All connections and units are checked for compliance with standards.

7. Bench Testing:

• The generator undergoes bench testing to verify functionality and compliance with performance specifications.

• Parameters such as power, current, and vibration are checked.

8. Installation on the Locomotive:

• The repaired generator is installed back onto the locomotive.

• All necessary electrical and mechanical connections are made.

9. Operational Testing:

• After installation, the generator is tested under operational conditions on the locomotive.

• Generator performance is checked in real operational conditions.

Importance of Regular Maintenance for the KG-12.5 Generator

Regular maintenance and timely repair of the KG-12.5 generator are essential for ensuring reliable and efficient operation of the TGM4 diesel locomotive. Delays in maintenance can lead to decreased efficiency, increased fuel costs, and potential failures.

Repairing the KG-12.5 generator is a comprehensive process requiring a high level of professionalism and the use of specialized equipment. High-quality repair work helps extend the generator’s service life and improves the overall efficiency of the locomotive’s operation.

ZTRZ performs repairs on the KG-12.5 generator. Contact our managers for more information.