Product description
main feature :
Must attention :
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Do not exceed the rated capacity. Overload is forbidden.
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Before operation, please check the flexibility of the ratcher pawls.
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please be sure the jack is on complete balance when operating. Do not put it on beveled, arc or uneven surfaces. The jack must be placed on hard plain grounds.
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before lifting, please be sure the support stand (4)(3) supports the goods completely.
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when several jacks are used at the same time, please be sure of the same lift or down. The whole operation course shoule be directed.
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it is forbidden putting any parts of the body under the lift goods.
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if working force is abnormal in operation, please stop working immediately to inspect all related transmit componets.
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lubricate parts applied regularly.
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the upper support (3) should be on bottom position when the jack is not used.
Steel mechanical jack parameter :
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