Case study
How LOCTITE® 243 Threadlocker eliminated the need to re-tighten hundreds of thousands of bolts at a solar park.
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A large-scale solar park operator faced significant reliability challenges across its installations. The solar panels were mounted using M6 bolts with washers, but vibrations and outdoor conditions led to bolts loosening over time. This resulted in:
- All washers had to be replaced and reinstalled to the correct torque specification
- Annual re-tightening of 296,000 bolts to maintain structural integrity
- Frequent instances of bolts loosening completely, causing solar panels to detach
- Increased costs due to maintenance labour and downtime
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