2013年9月1日星期日

permanent lifting Precautions

1 lifting, first by lifting the workpiece surface is clean, if rust leather and spurs should be cleaned. Permanent lifting of the center of gravity of the workpiece centerline best lines coincide, then

Jack placed on the work surface, rotate the handle from the "-" sign position to the "+" direction of rotation to limit sales. Check the security lever is automatically locked ramp,

Then lifting.
(2) lift the workpiece when Magnetic Grates the non-overloading, non-human from below through the workpiece, the workpiece to be hanging temperature and ambient temperature less than 80 degrees, no severe vibration and shock.
3 lifting cylindrical workpiece, keep B-groove connection with the workpiece in contact angle of two straight lines, so it's only rated from gravity gravity from 30% -50%.
4 After completion of lifting, pressing inward to understand the handle button on the handle off the security key and security detachment. Handle the "+" to "-" sign to the rotation stopper pin. Make

Lifter is turned off, knock off parts and jack off.

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