Hebei Fucheng Hengxin Machinery Factory is a professional production 138-3183-8616 safety ladder, high upsetting ladder, bridge safety ladder manufacturers. Welcome to the new and old customers to negotiate. Workers: 3 Step 1: In the pre-installation of ground safety ladder placed four adjustable according to 2.44x1.27 meters rectangular base position, the nut is adjusted to the same height of about 120mm; Step 2: Install an entry position in the ladder the bottom of the door frame, the door frame adjustable pole set into the base, the same method to install two middle shelves across, and mounting rails, oblique rod to the bottom of the door frame and the intermediate connection fixed shelves; Step 2: Install the "Z" type ladders start platform is on the ground floor entrance door frame; Step 3: After installing two layers ladder, continue to install intermediate shelves, rails and oblique rod, each corresponding installation install one intermediate layer shelf ladder, and so on ; Step 4: When you install the final layer of the ladder, the top frame and railings installed (rail), and on top of the platform covered with two pedals, pay attention to the needs of top-level construction of the main mast. Step 5: The top end of the mast snap in the top mast export outside of the installation bridge pedal, pedal bridge, the other side of the construction of the main overlap, install handrails on both sides of the bridge pedal. Step 6: Finally, all ladders to install handrails