Horizon Fitness TSC5 Treadmill Horizon Fitness Updated September 14, 2021 20:51 For the 2003 Horizon Fitness TSC5 Owner's Guide, please click here. For the 2003 Horizon Fitness TSC5 Exploded Diagram, please click here. Was this article helpful? Yes No 0 out of 0 found this helpful Have more questions? Submit a request Related articles What are the Maximum User Weight for Treadmills? How Do I Lubricate My Treadmill? Horizon Fitness TSC4 Treadmill How to Replace the Running Belt and Deck on a Treadmill. How to Calibrate a Treadmill Comments 0 comments Please sign in to leave a comment.