To disassemble the slide-rails before the installation, complete the following steps:
Unpack the slide-rails.
Locate the slide-rail lock at the front of the slide-rail assembly, as shown in Figure 3-1.
Press and hold the slide-rail lock toward the direction of the arrow, while you pull the mounting bracket out of the slide-rail assembly until it reaches the stop, as shown in Figure 3-1.
Push the mounting bracket release button toward the front of the mounting bracket (Figure 3-1), and simultaneously withdraw the mounting bracket from the slide-rail assembly.
Figure 3-1 Disassembling the Slide-Rails Before Installation