Introduction
Although the running belt is pre-adjusted to the running deck, after prolonged use it can stretch and require adjustments.
If your SereneLife Treadmill Belt (model SLFTRD20) has begun to stretch and slip after extended use and requires an adjustment, follow this guide.
The running belt is the most important component that must constantly be centered in order to utilize the Treadmill. If the running belt starts to slide or extend to the side, the treadmill is rendered useless.
Step 2 requires you to ensure that the treadmill belt is running at the lowest speed possible, or else the belt will not be centered. However in step 6, it shows that Treadmill should be turned off before tightening the belt, so don't try to mix up both of these steps.
Tools
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Begin by pressing the "Start" button on the machine.
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Let the treadmill belt run at the lowest setting.
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In order to locate the roller adjustment bolts, try locating the rear left cover and rear right cover.
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Place the Allen wrench in the left rear roller bolt.
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Turn the left roller bolt adjustment to turn one-fourth clockwise.
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Now stop and wait for the belt to begin to center itself.
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Place the Allen wrench in the left roller bolt and turn it 1/4 clockwise to tighten the belt.
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Repeat on the right side of the roller bolt in the same way.
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Attach the rear covers onto the left side and right side of the frames.
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Turn the main power switch back on and run the treadmill at the lowest speed.
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Run on the treadmill to determine if the belt is still slipping or not.
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To reassemble your device, follow these instructions in reverse order.
