zhongxinladder

Overview telescopic Aluminum step ladder is a unique construction products. It can completely shrink or stretch into a full stretch in between the length of any one. Telescopic Aluminum step laddertelescopic and maintenance should follow the following instructions. 1. Locking device telescopic Aluminum step ladder where each step has two steel locking pin, when the Aluminum step ladder is open, it will automatically pop-up and two bolt lock. Each lock pin lock handle connection, there are two functions; (1) When two locks for each step under the handle and step to form an approximate 60-degree angle, indicating that the Aluminum step ladder has been a reliable open locked (2) When off the ladder, followed every step step back when the lock handle will automatically release the locked mechanism. 2. Ladder open method A, fully open when you want to be open to full-status Aluminum step ladder, please operate according to the following procedures: (1) will be put in a smooth office Aluminum step ladder , and then the Aluminum step ladder fully open. In the open, they should live with one foot on the bottom of the stairs). (2) By using two hands grasping the highest level from the top to open the Aluminum step ladder Fully extended at the very top of a step after step to extend the next section. At the same time check whether the two steps to form the lock handle 60-degree angle. (3) to continue an open one, until the ladder fully extended. (4) Please note that the penultimate step 2 There are two pull-ring handle lock. The two pull-ring latch lift the raised position and other positions opposite. When the lock handle upward into the positions where they do not step inside, the show has been locked, when only the pull-ring can be seen. B, half-open when you want to open the Aluminum step ladder to the half-open state, please follow the program operation. Will be put in a stable at the Aluminum step ladder, and then turn to either half of the open Aluminum step ladder length. In the open, they should live with one foot on the bottom of the stairs. (1) with both hands to open the Aluminum step ladder from the most in the next section. Hold Step 3 (from the bottom of the number of cases) and through the pull up, fully extend this part. (2) Then, continue to a steadily opened up the extension Aluminum step ladder to the desired length. (3) Check the bottom of each section of the lock step with each section of the stem is related to the steps of forming an angle of about 60 degrees. Attention! To ensure the highest part of the fully open have been fully locked, the extension to a higher part of the next 15 cm, until the lock handle in a 60-degree angle) to pay attention to the bottom step there are several pull-ring lock shank Step 2 level. Lock handle them with the other lifted the opposite direction). When the lock handle upward into the positions where they do not step inside, the show has been locked, when only the pull-ring can be seen. Attorney carefully to ensure that the lock ring pull handle is in locked state. 3. Ladder Close method please follow the following procedures to recover the Aluminum step ladder  (1) the vertical ladder to place into the ground state. With one hand clenched the side of the Aluminum step ladder of vertical columns. . (2) with the other hand pulling ring, one at a time, until the lock mechanism has been loosened, the ladder will be a slow one to slide down, until finally completely off the Aluminum step ladder. (Sometimes you need to pull the first pull ring twice). (3) When the lock mechanism is released, the use of two hands clenched ladder to ladder to maintain a balance column. At the same time carefully and slowly, one a land slide down, shut down the ladder (Illustration ⑿). Attention! In order to avoid trapping the fingers, in the back ladder, do not place hands between the two steps. 4. Has been opened to shorten the Aluminum step ladder when you want to shorten an already opened some of the ladder, the first Aluminum step ladder should be closed (see "off the ladder approach"), and then open the Aluminum step ladder to your desired length (see "Open the ladder methods, semi-open ") 5. warned that for safety reasons, we must carefully and common sense to use a ladder in accordance with security. For the safe use of telescopic ladder, we need to point out the following: (1) the use of the ladder should be 75 degrees with the ground to maintain the angle. (2) The maximum bearing weight of the ladder 150KG. (3) The Aluminum step ladder must be sturdy flat horizontal surface to use. (4) The top of the cross-file can not be used as a stage. (5) Aluminum step ladder when in use, between the two steps required to maintain a certain distance from the rules. (6) Avoid the use of ladders in some places, such as water wells. Because it may lead to soil and water into the tube. (7) to avoid the Aluminum step ladder or being hit rough handling, which is damage to the tubes will directly affect the function of a ladder stretching. (8) should be turned off when the status of transportation, this can shrink with each other to protect the inside of the ladder will not be damaged columns. (9) the Aluminum step ladder can not live in the highest point of the cross hanging files to use. (10) Do not turn around and open, close or use a ladder. (11) in the horizontal position of the ladder may not be used, for example, on the steps of one or saw horses. In case of emergency, it will be a ladder extending into the length of not more than 2M can be used as stretchers.