Bitzer 40 kW compressor overhaul

Repair Process

1. Diagnosis and Disassembly:

   • The compressor underwent a thorough inspection to identify defects and evaluate wear on internal components.
   • It was then fully disassembled to allow access for replacement and repair of internal parts.

2. Replacement of Plain Bearings:

   • The worn plain bearings were removed.
   • New bearings matching original specifications were installed to ensure smooth and reliable operation.

3. Replacement of the Piston Assembly:

   • The old piston assembly was replaced with a new one.
   • This included new pistons, piston rings, and cylinders to fully restore the compressor’s performance.

4. Stator Rewinding of the Electric Motor:

   • The stator windings were completely rewound to restore electrical and insulating properties.
   • High-quality materials were used, and all technical standards were strictly followed to ensure durability and reliability.

5. Complete Reassembly:

   • All components were carefully reassembled using new gaskets and sealing materials.
   • Special attention was given to the correct installation and alignment of all parts to prevent future issues.

6. Testing:

   • After assembly, the compressor underwent a series of electrical and mechanical tests.
   • Leak tightness, efficiency, and reliability were tested under various load conditions.
   • All performance parameters met the manufacturer’s specifications and standards.

Result

After completing all repairs and testing, the Bitzer 40 kW refrigeration compressor was successfully restored and is fully operational. Testing confirmed efficient and reliable performance, meeting all required specifications.

Conclusion

The repair of the Bitzer 40 kW refrigeration compressor involved replacing the plain bearings and piston assembly, rewinding the stator of the electric motor, and performing complete reassembly and testing. Thanks to the precise execution of every repair step and the use of high-quality materials, the compressor was restored to like-new condition. This ensures dependable operation and a long service life within the cooling system.