Place the left and right arm frames upright on the floor. Set the seat deck and backrest frames between them.
Repeat step 2 for the backrest. Do not fully tighten yet — keep bolts loose to allow alignment.
Since Walmart sells several models (Mainstays, Zinus, Better Homes & Gardens, etc.), this is a — always check if your specific model includes a model number or unique parts. Walmart Metal Futon Frame Assembly Instructions (General Guide) walmart metal futon assembly instructions
Some futons have spring-loaded locking pins on the arms to lock the backrest in upright or flat positions. Push them in and test each position.
Line up the bolt holes on the seat deck’s side brackets with the holes on the inside of each arm. Insert bolts (usually M6 x 40mm) with washers, finger-tighten only. Place the left and right arm frames upright on the floor
With the futon upright, pull the release handles (usually under the seat) to recline. Make sure it clicks securely into flat, lounge, and sitting positions. Important Notes for Common Walmart Futon Models
Attach the long metal bars between the left and right arms at the bottom (front and back) using shorter bolts. This step adds stability. Do not fully tighten yet — keep bolts
Once all bolts are in place, go back and tighten everything fully with the provided tools. Over-tightening can strip threads — stop when snug.