How do I operate a folding ladder?
After checking the ladder to use the state, please carefully confirm that all hinges are in the locked position can be used, if the lock block in the position of the hinge, the symmetrical hinge can be opened, and then inward folding staircase about 40 degrees, and then Expand the hinge to lock the hinge
Unlock the handle to open the lock, while the lock block to the location, that hinge has been unlocked, this time can change the angle of the staircase or folding ladderUnlock the handle to open the lock, while the lock block to the location, that hinge has been unlocked, this time can change the angle of the staircase or folding ladder
* If the handle does not move, can not unlock the situation, which is due to the hinge force to force the lock block, this time can pull the ladder shaking, you can lift the external force
Lock the staircase outward, hear the "click" sound while locking the block into the position, indicating that the hinge has locked this position.
How do I operate a folding ladder?
A. A ladder with a total length of less than or equal to 4 meters can be used as a straight ladder, where the angle between the ladder and the ground should be greater than 75 degrees and the hinges in the middle of the ladder should face the wall
B. When the four-step ladder is used as a platform, be sure to pad a plate with a thickness of at least 1 cm
C. When someone on the ladder on the operation, it is strictly forbidden to pull the hand to change the hinge lock state
