1. First, lift up the column and electronic dial. Both sides of the treadmill pass through the lower connecting hole with three screws respectively, and then tighten with washers and nuts. Two smaller screws are used to tighten the columns on both sides.

2. Then screw M8×20 through the handrail to tighten both sides of the handrail and connect them with the upright post.

3. Then use M8×20 screws to respectively pass through the handrails and tighten both sides of the handrails, and connect them with the upright posts.

4. Then use M8×20 screws to respectively pass through the handrails and tighten the two sides of the handrails, and connect them with the upright posts.

5. Then put the massage head on the power frame and tighten it with the three M8× 16 bolts removed in step 6.

6. Finally, buckle the massage belt on both sides of the massage head.