Horizon Fitness Elite 3.1T Treadmill Horizon Fitness Updated September 15, 2021 22:11 For the 2005 Horizon Fitness Elite 3.1T Owner's Guide, please click here. For the 2005 Horizon Fitness Elite 3.1T 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 When to Replace a Treadmill Belt How Do I Lubricate My Treadmill? Horizon Fitness Adventure 3 Treadmill How Do I Reset the Lube Belt Message on a Treadmill? Horizon Fitness Elite 3.1E Elliptical Comments 0 comments Please sign in to leave a comment.