What are the two primary methods for lifting heavy machinery?

Hoisting and jacking are two primary methods for lifting heavy machinery due to their effectiveness and safety in moving large and cumbersome items.

Hoisting involves the use of cranes, hoists, or blocks and tackles to elevate heavy loads vertically. This method is critical in construction and industrial settings, as it allows workers to raise machinery to required heights efficiently. Hoisting mechanisms are designed to handle significant weights and often incorporate safety features such as locking mechanisms and limit switches to prevent overloads.

Jacking, on the other hand, utilizes devices like hydraulic jacks or mechanical jacks to lift heavy machinery upwards. This method is particularly useful for adjusting or leveling machinery and for making repairs or installations where precise height adjustments are necessary. Jacks provide a stable and controlled lifting process, ensuring that the load can be raised safely.

Both hoisting and jacking require specific training and adherence to safety protocols to mitigate risks associated with lifting heavy loads, making these methods essential for millwrights and rigging professionals.