| WARNING Do not perform installation or maintenance procedures when there is a risk of thunderstorm or lightning activity in the area. |
| WARNING If ice or snow accumulates on the mast, guy wires, or sensors, the ice or snow can fall and cause injury to persons below. |
| CAUTION Do not modify the mast. Use only Vaisala parts, mounting brackets, and spare parts that are designed for frangible structures. |
| CAUTION Improper modification can damage the product or lead to malfunction. Any modification voids your warranty. |
| CAUTION Contact Vaisala or its authorized representative for repairs. |
| Wear protective eyewear, gloves, and a safety helmet. |
| To protect your hands, always wear gloves when handling the guy wires. |
| Wear a dust respirator filter when necessary. |
| WARNING Read and follow the mast manufacturer safety instructions. |
| WARNING Acetone is flammable. Make sure that there is good ventilation and avoid skin contact during repair and painting. |