What must be done to crane capacities for lower tire inflation pressure?

When tire inflation pressure is lower than recommended levels, it affects the overall safety and stability of a crane. Cranes are designed with specific capacities that assume tires are inflated to the correct pressure. Low tire pressure can lead to decreased stability, making the crane more prone to tipping or losing load control.

Reducing the crane's capacities in this situation is necessary to account for the increased risk. This means that the crane may not be able to safely handle its usual maximum load because the lower tire pressure compromises the tires’ ability to support the weight effectively. Therefore, it is essential to adjust the crane's operational capacities downward when tire inflation pressure is insufficient to ensure safe operation.

In essence, maintaining the same capacity in the face of reduced tire pressure could lead to hazardous situations, so the safe practice is to reduce capacities accordingly.