In certain dynamic situations, such as uneven surfaces and on open water, movement of the mast head can be a problem. The Clark Masts Automatic Mast Lockdown System solves this by securely clamping the collar stack to prevent movement. The head of the mast is securely held by an electro mechanical clamping system which is remotely operated.
The headload is kept secure by removing both vertical and torsional movement. The mast is automatically unlocked when the mast extension control is operated and automatically locks upon retraction.
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Clark Masts is a division of Clark Masts Systems Ltd.
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