When running on the treadmill at a speed of 6 km/h ~ 10 km/h, hold the handrail with both hands, and then push your feet forward. At this time, you will feel a stop-and-go shaking phenomenon on your feet (this shows that the running belt is stretched and loosened, resulting in slippage between the running belt and the roller); Furthermore, adjust the speed of the treadmill to the starting gear, grab the handrail with both hands and push the rotating running belt forward with your feet. If the running belt stops rotating, but the front drum is still rotating, the running belt can continue to move after both hands release the handrail. This phenomenon shows that the running belt is loose and there will be obvious pause when running. Long-term use will reduce the life of the running belt, so adjust the tightness of the running belt in time.

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