The tool should be accompanied by a written explanation detailing the precautions to be taken , and indicate unauthorized logo may not be used. The tool should be handed over to authorized personnel .
Door Protection 5.8.5 workbench
Electrical safety switch should be set when the door is not completely closed, lifting platform should stop or not start.
5.8.6 Emergency Operation
It should be at the bottom with a power failure or malfunction in the emergency operating device platform so the Manual Hoist decline , and there are clearly marked ; the device should continue to rely on force control. Such as when using the control handle , the handle of the operation should be consistent with the direction of the direction of motion control functionality , release the control handle when should automatically return to the " stop" or intermediate position.
5.8.7 Anti- personnel cut protection
Greater than or equal to 3 floors in layers lifting platform, when the horizontal distance between the table and the floor wellhead less than 0.5m, the table should be set at the bottom of the surrounding anti-collision device, when the decline encounter obstacles should stop the lifting platform .