Treadmill Assembly Video Horizon Fitness Updated December 16, 2021 19:02 For a video of Studio Series Treadmill (7.0, 7.4 or 7.8AT units) assembly, please click here. For a video of general treadmill assembly, please click here. Was this article helpful? Yes No 0 out of 0 found this helpful Have more questions? Submit a request Related articles How Do I Lubricate a Treadmill Running Belt? How do I lubricate my treadmill? 7.0 AT-03 Treadmill Operating Instructions Horizon Fitness CT7.0 Treadmill Horizon Fitness Elite T9 Treadmill Comments 0 comments Please sign in to leave a comment.