Escalator Safety Warning: How to Scientifically Maintain Your Step Chain

Real Case: What Happens When Step Chain Maintenance Is Ignored
A well-documented escalator accident occurred on July 5, 2018, at Rome Metro's Repubblica Station in Italy. During peak hours, an escalator suddenly accelerated uncontrollably, causing multiple passengers to fall and resulting in injuries to over 20 people. Investigations by local authorities indicated that poor maintenance and mechanical wear were key contributing factors. Although the final report covered multiple components, industry experts widely pointed out that failures in critical transmission parts—such as the Step Chain—can lead to loss of synchronization and abnormal movement. This incident clearly demonstrated how insufficient inspection and lubrication of the step chain and related systems can escalate into serious safety hazards.
Standardized Maintenance: The Key to Safe Operation
As a core transmission component, the step chain ensures that each step moves in precise coordination. Any elongation, wear, or improper tension can disrupt this balance. Routine maintenance should include:
- Regular inspection of the step chain for stretching or damage
- Timely lubrication to minimize friction
- Proper adjustment of the tensioning system
These measures not only prevent unexpected failures but also ensure smooth and safe escalator operation in high-traffic environments.
Long-Term Value: Why Quality Step Chain Matters
In addition to maintenance, selecting a high-quality step chain is essential. Premium materials and precise manufacturing significantly improve durability and performance under heavy usage conditions. For locations such as:
- Metro systems
- Shopping centers
Investing in a reliable step chain reduces downtime, lowers maintenance costs, and enhances overall safety.

Professional Support & High-Quality Spare Parts
Choosing the right supplier is the first step toward safer, more reliable escalator systems. NONA ELEVATOR specializes in providing premium step chains and over 5,000+ spare parts to ensure your equipment meets the highest safety standards.
Contact us today for professional support and high-quality products:
- 📧 Email: candice@nonaelevator.com
- 📞 Phone / WhatsApp / WeChat: (86) 17719527681
- 🌐 Website: https://www.nonaelevator.com/












