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Timothy AlexanderAug 2, 2025
Why does the walking belt slow down when I walk on my NordicTrack C80I NETL79815.0 Treadmill?
- EEvan GreenAug 2, 2025
If the walking belt slows when walked on, it might be overtightened, which can decrease performance and damage the belt. To fix this, remove the key and unplug the power cord. Use the hex key to turn both idler roller screws counterclockwise, 1/4 of a turn. The walking belt is properly tightened when you can lift each edge of the walking belt 2 to 3 inches off the walking platform.