What kind of accident is about to happen?

While extracting steel sheet piles, a worker connects the chuck portion of the Vibrohammer to the steel pile, and starts the machine. Can you predict what's about to happen?

Look what happened!

Because the worker turned on the Vibrohammer without securing the hydraulic chuck, the Vibrohammer started shuddering, came off its hook, and fell onto the worker.

Tips for preventing similar accidents
1.	Only start a Vibrohammer after securing the chuck and ensuring that it is being firmly pinched.
2.	Be sure to inspect the safety catch for the hook before starting work.
3.	Only allow personnel certified to operate a vehicle-type construction machine for foundation work to perform pile extraction work.
4.	Undergo preliminary training on the proper methods for operating machinery, such as methods of starting up a Vibrohammer from a remote location.

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