Belt Adjustment and Tension

WARNING! Do not overtighten rollers! This will cause premature roller bearing failure!

Belt adjustment and tension performs two functions: adjustment for tension and centering. Your new treadmill comes pre-adjusted from the factory for tension and centering. Please follow the procedures below if the belt shifts to the left or right or while walking:

WALKING BELT IS SHIFTING TO THE LEFT (Diagram 1)

First, turn treadmill on to run at 1 mph. Using the hex key provided, turn the left rear roller adjustment bolt ¼ turn in the clockwise direction. Next, run the treadmill at 2.5 mph. You should see the belt start to correct itself, moving back towards the center. Repeat the above procedure until the walking belt is centered. It may be necessary to set walking belt tension once you have completed this procedure if the belt feels like it is slipping while walking. Refer below to the “Walking Belt Slipping” instructions.

WALKING BELT IS SHIFTING TO THE RIGHT (Diagram 2)

First, turn the treadmill on to run at 1 mph. Using the hex key provided, turn the right rear roller adjustment bolt ¼ turn in the clockwise direction. Next, run the treadmill at 2.5 mph. You should see the belt start to correct itself, moving back towards the center. Repeat the above procedure until the walking belt is centered. It may be necessary to set walking belt tension once you have completed this procedure if the belt feels like it is slipping while walking. Refer below to the “Walking Belt Slipping” instructions.

WALKING BELT IS SLIPPING DURING USE (Diagram 3)

First, unplug the power cord from the surge protector. Using the hex key provided, turn both left and right rear roller adjustment bolts the same distance, usually a ¼ turn in the clockwise direction. Plug the power cord back into the surge protector and run the treadmill at 2.5 mph. You should now walk on the belt to determine if the belt is still slipping. Repeat the above procedure until the walking belt is not slipping. The tension should be just tight enough not to slip.

♦Turning the hex key counter clockwise brings the rear rollers and belt towards you. Turning the hex key clockwise pushes the rear roller and belt away form you.

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Smooth Fitness SM9.3HRAB, SM9.3P, SM9.3ST, SM9.3AB Belt Adjustment and Tension, Walking Belt is Shifting to the Left Diagram
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SM9.3ST, SM9.3P, SM9.3HR, SM9.3HRAB, SM9.3HRST specifications

The Smooth Fitness SM9.3 series of treadmills offers a versatile and high-performance solution for both fitness enthusiasts and casual users alike. This series includes five distinct models: SM9.3AB, SM9.3HRST, SM9.3HRAB, SM9.3HR, and SM9.3P, each crafted to accommodate different workout preferences and fitness goals.

One of the standout features across the SM9.3 series is its powerful motor. With a robust 3.0 HP continuous-duty motor, users can enjoy smooth and quiet operation, allowing for an uninterrupted workout experience. This motor supports a top speed of up to 12 mph, making it suitable for a variety of training routines, from brisk walking to intense running sessions.

The incline functionality is another highlight of the SM9.3 models. With adjustable incline settings of up to 15%, users can elevate their workouts to simulate hills, enhancing calorie burning and muscle engagement. This feature is particularly beneficial for individuals looking to improve their cardiovascular fitness and strengthen their leg muscles.

In terms of user interface, the Smooth Fitness SM9.3 series is equipped with an intuitive console that provides a clear display of vital workout metrics including time, distance, speed, calories burned, and heart rate. Many of the models also offer heart rate monitoring through integrated sensors or optional chest strap connectivity, catering to those keen on tracking their intensity levels.

The series also includes pre-programmed workouts tailored to various fitness levels, ensuring that users stay challenged and engaged throughout their fitness journey. Models like the SM9.3HRST and SM9.3HRAB are particularly focused on heart rate training, providing targeted programs that adapt based on real-time heart rate feedback.

In addition, the design of these treadmills emphasizes both comfort and safety. The spacious running surface allows for unrestricted movement, while the shock absorption technology helps reduce impact on joints, making jogging or running more comfortable over extended periods.

With a focus on ensuring a comfortable workout experience, the Smooth Fitness SM9.3 treadmills are also designed to be foldable for easy storage, perfect for those with limited space.

In summary, the Smooth Fitness SM9.3 series stands out for its powerful motor, incline capabilities, user-friendly interface, diverse workout programs, and joint-friendly design, making it an excellent choice for anyone looking to elevate their fitness routine at home.
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