Fasten these crossbars to the main side channels (typically at specific holes like hole 2 and 9). : Slide Bearings and Shims onto your shafts.
: Search for the product name on sites like IKEA or ServoCity . Look under the "Product Details" or "Assembly & Documents" tabs to download the PDF. GlafiraE015_058.jpg
If you are missing the full PDF manual for this specific image, you can typically find it here: Fasten these crossbars to the main side channels