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How to operate the folding ladder

2017-12-01 12:29:45

1, the lock will be extended to the ladder column, hear the "click" sound at the same time lock block into position, indicating that the hinge has been locked in this position.

2, unlock the handle to open the lock, lock block back to the position, indicating that the hinge has been unlocked, then change the angle between the ladder column or folding ladder. If you encounter the handle does not move, can not be unlocked, which is due to the hinges pressure force lock block, this time can pull the ladder shake, you can lift the external force.

3, check the ladder into the use of the state, please be sure to confirm that all hinges are in the locked position can be used, if the locking block in the position of the hinge, the symmetrical hinge can be opened, and then folded inside the ladder about 40 degrees , And then out to open the pair of hinges

4, Note:
a, a total length of less than or equal to 4 meters of the ladder can be expanded into a straight ladder to use,Fiberglass folding ladders then the angle between the ladder and the ground should be greater than 75 degrees, the hinge in the middle of the ladder should be facing the wall.
b, four-foot ladder is used as a platform, be sure to pad a minimum thickness of 1cm flat.
c, when someone is working on the ladder, forbid others to change the hinge locking state.

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