# Overhaul of the Liebherr D916 Engine in the LTM 1040 Crane

> Discover the detailed process of a Liebherr D916 engine overhaul in an LTM 1040 crane, from disassembly in the field to reassembly and testing. Learn about the regeneration of main components, fuel system, and equipment, as well as the post-overhaul service. A comprehensive guide for anyone interested in engine maintenance and repair.

### **Overhaul of Liebherr D916 engine in LTM 1040 crane**

#### **Engine disassembly in the field**

Our **mobile service** carried out the **disassembly of the Liebherr D916 engine** from the **LTM 1040 crane** in the vicinity of **Lodz**. The disassembly process lasted **two days**, during which our mechanics secured all equipment elements and screws necessary for reassembly according to procedures. After the disassembly work was completed, the engine was **transported to the Wibako base in Kojszówka** by our own transport.

#### **Verification and engine overhaul**

The engine had **knocking symptoms**, so we immediately subjected it to a **detailed verification** for wear of individual components. After analysis and acceptance of the repair scope by the customer, we proceeded to the **engine overhaul**, which included:

- **Regeneration of main components**, including the crankshaft, connecting rods and cylinder head,
- **Regeneration of the fuel system** to ensure optimal operating parameters,
- **Regeneration of equipment**, including **turbocharger, alternator and starter**,
- **Assembly of regenerated and new parts**,
- **Engine dynamometer test**, which confirmed the correct operation of the engine after the overhaul.

#### **Engine assembly and startup**

After successful tests, the engine was **transported back to the crane's workplace in the vicinity of Lodz**, where our team carried out the **assembly**. The entire assembly process lasted **two days**, and after its completion, the engine was started and tested in the presence of the machine operator. **All operating parameters were in accordance with the manufacturer's standards**, and the crane returned to full efficiency.

#### **Service after overhaul**

In accordance with our standards, the first **inspection after the overhaul** will take place after **50 mth of machine operation**. It will include the replacement of filters and checking the correctness of assembly and engine operation.

Thanks to the comprehensive service and experience of our team, the **Liebherr LTM 1040 crane** gained a **fully functional and reliable engine**, which is ready for further exploitation.

Published: 2025-02-05

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Source: https://wibako.com/about-us/news/251-overhaul-of-the-liebherr-d916-engine-in-the-ltm-1040-crane
Contact: +48338704200, biuro@wibako.pl