Operating precautionsDo not lift too heavy, though, because it will cause the wire rope and gear system is corrupt.The wire rope or chain to lift the pieces in the correct position and direction.Do not lift the piece tilt along the length of the 10-degree incline and across more than 3 degrees.To avoid collision with obstacles at work.Using two hoists work together to lift the weight should be careful about Center of gravity.Do not stand under any circumstance hoistsShould be weight lifting in the appropriate level between the moving.Do not remove the Safety Catch off the hook
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