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Use:to the firm straight plate lifting. |
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Load range:0-3 tons |
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It is manufactured by low-carbon hi-quality alloy steel. |
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To test one of the rated load and lifting operations alone,or supporting the use of two. |
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Only hang a steel plate at the same time,and forbid laminated hoist.During the hoist,hung articles are forbidden collision. |
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At the beginning of hoist,the locking handle must be up to make the spring tense.When the load is cancelled,the locking handle must be down.After the spring is loosened,the clamp and the steel plate can be separated. |
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Test load is the max. operation load of 2 times. |
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Don't overload to use. |
