How do I proceed with troubleshooting on the ZIMM ZK bevel gearbox?

If faults are recognizable on the ZIMM ZK bevel gearbox, fault, possible cause and measure should be considered separately. Fault Possible cause Measure Temperature too high Temperature too high Check operating parameters; ZIMM will be happy to advise you Temperature too high Geometry error in the system Check alignment: parallelism of the ZIMM ZK bevel gearboxes with each other and angularity of the screw-on surfaces Noise at coupling or connecting shaft Friction in the coupling star Lubricate the coupling star with vaseline or plastic-compatible grease. Noise at coupling or connecting shaft Permissible offset exceeded Check and correct alignment Slight leakage at the shaft seal Slight leakage Wipe off leakage and continue monitoring; slight leakage is normal and not a technical problem Gross leakage Shaft sealing ring defective or excessive pressure in the gearbox Contact ZIMM and send photos if necessary Suddenly increased noise / vibrations Wear damage on gearing or bearing arrangement Contact ZIMM; if possible, send a video recording with audio

How do I proceed with troubleshooting on the ZK bevel gearbox?

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Author:

Jonathan Mildner | Head of Sales Technology

Last modified:

31.03.2026

If faults are recognizable on the ZIMM ZK bevel gearbox, fault, possible cause and measure should be considered separately.

Fault	Possible cause	Measure
Temperature too high	Temperature too high	Check operating parameters; ZIMM will be happy to advise you
Temperature too high	Geometry error in the system	Check alignment: parallelism of the ZIMM ZK bevel gearboxes with each other and angularity of the screw-on surfaces
Noise at coupling or connecting shaft	Friction in the coupling star	Lubricate the coupling star with vaseline or plastic-compatible grease.
Noise at coupling or connecting shaft	Permissible offset exceeded	Check and correct alignment
Slight leakage at the shaft seal	Slight leakage	Wipe off leakage and continue monitoring; slight leakage is normal and not a technical problem
Gross leakage	Shaft sealing ring defective or excessive pressure in the gearbox	Contact ZIMM and send photos if necessary
Suddenly increased noise / vibrations	Wear damage on gearing or bearing arrangement	Contact ZIMM; if possible, send a video recording with audio

Jonathan Mildner | Head of Sales Technology

Jonathan Mildner heads the Sales Technology department at ZIMM. He is responsible for the design and safe integration of screw jacks, electromechanical actuators, and drive technology – including accessories from the ZIMM modular system, clearly defined interfaces, the safety concept, and complete documentation; he provides technical support for manufacturing to drawing (special parts/adaptations).

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