Anti-two-block system for Manitowoc 600E

The anti-two-block system, part number 818227, serves as a safety device for the Manitowoc 600E crane. It is integrated into the 3-section boom assembly to monitor the position of the hook block or load ball relative to the boom tip. By detecting the proximity of these components, the system helps prevent the hook block from striking the boom head or the crane carriage, which could otherwise lead to structural damage to the boom or the hoist cable.

This component is specifically designed for the Manitowoc 600E and is often utilized within the ATB boom 3-section group. It typically functions by incorporating a limit switch or sensor at the boom tip that triggers a response when the hook block reaches a pre-defined limit. Upon activation, the system is designed to interrupt the hoist and boom extension functions to avoid contact.

Anti-two-block systems act as a safety safeguard in crane operations by automatically stopping functions that could lead to a two-blocking condition. These systems are standard in industrial lifting machinery to maintain operational parameters and protect the crane structure from accidental contact during load handling.