Step 2.: Attach the Back Panel (B) to the arm (A) as shown. 4: Attach trundle dido panel () and trundle front panel (F) to trundle back panel (G) by pushing the bracket down to fit it. ASSEMBLY INSTRUCTION Step 3 : Tighten the 4 Comer with Allen Key (1). Install the slats to side rail. Tighten the slats with CSK. | Stop screw (3). The distance of the slats should be sufficient to obtain desirable bed stability.