7.4AT-02 Treadmill (TM499B or TM746B) Horizon Fitness Updated June 29, 2022 20:47 Installation Instructions For a video with assembly instructions, please click here. For a video of Studio Series Treadmill (7.0, 7.4 or 7.8AT units) cable routing during assembly, please click here. Treadmill-7.4AT-02-V4.002.zip100 KB Was this article helpful? Yes No 0 out of 0 found this helpful Have more questions? Submit a request Related articles Software and Firmware Updates How to Install Software Updates 7.4AT-01 Treadmill (TM499 or TM746) 7.0AT-03 Treadmill (TM1002C or TM765) 7.8AT-02 Treadmill (TM758B or TM1000C) Comments 0 comments Please sign in to leave a comment.