According to manufacturer guidelines, what should the test loads not exceed?

The test loads for cranes are set according to manufacturer guidelines to ensure safety and reliability during operation. When manufacturers specify that test loads should not exceed 110% of the manufacturer's load ratings, they are establishing a safety margin. This percentage allows operators to assess the crane's performance and stability under conditions that exceed the normal operational load, without compromising safety.

Exceeding this limit could lead to structural damage to the crane or pose risks to safety. A load limit at 110% is designed to reflect potential overload situations without putting the crane at severe risk, ensuring that it can handle slightly more than its rated capacity in controlled testing scenarios. This testing is essential to validate the crane's design and construction, confirming that it meets safety standards when operated within the defined limits.

Understanding these guidelines is crucial for those operating mobile cranes, as it informs safe handling practices and enhances operational safety.