NordicTrack NTL23920 user manual Problem The walking belt slows when walked on

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PROBLEM: The walking belt slows when walked on

SOLUTION: a. Use only a single-outlet surge suppressor that meets all of the specifications described on page 9.

b. If the walking belt is overtightened, treadmill perfor- mance may decrease and the walking belt may be- come damaged. Remove the key and UNPLUG THE POWER CORD. Using the allen wrench, turn both rear roller adjustment bolts counterclockwise, 1/4 of a turn. When the walking belt is properly tightened, you should be able to lift each side of the walking belt 3 to 4 inches off the walking platform. Be careful to keep the walking belt centered. Plug in the power cord, in- sert the key, and run the treadmill for a few minutes. Repeat until the walking belt is properly tightened.

b

3”–4”

Rear Roller Adjustment Bolts

c. If the walking belt still slows when walked on, call our Customer Service Department, toll-free.

PROBLEM: The walking belt is off-center or slips when walked on

SOLUTION: a. If the walking belt is off-center, first remove the key and UNPLUG THE POWER CORD. If the walking belt has shifted to the left, use the allen wrench to turn the left rear roller bolt clockwise 1/2 of a turn; if the walking belt has shifted to the right, turn the bolt counterclockwise 1/2 of a turn. Be careful not to overtighten the walking belt. Plug in the power cord, insert the key, and run the treadmill for a few minutes. Repeat until the walking belt is cen- tered.

b.If the walking belt slips when walked on, first remove the key and UNPLUG THE POWER CORD. Using the allen wrench, turn both rear roller bolts clockwise, 1/4 of a turn. When the walking belt is correctly tightened, you should be able to lift each side of the walking belt 3 to 4 inches off the walking platform. Be careful to keep the walking belt centered. Plug in the power cord, insert the key, and care- fully walk on the treadmill for a few minutes. Repeat until the walking belt is properly tightened.

a

b

PROBLEM: The treadmill rocks during use

SOLUTION: a. If the treadmill rocks slightly during use, turn one or both of the Leveling Feet (127) under the Upright (99) until the the rocking motion is eliminated. Note: If nec- essary, tip the treadmill forward and use a phillips screwdriver to turn the Leveling Feet.

a

 

127

 

127

99

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Contents Customer HOT Line QUESTIONS?Model No. NTL23920 Serial No Table of Contents Important Precautions Page Right Side Before YOU BeginLeft Side Assembly Should slide easily and snap into place. If the con Move the Handrail BoltsBolts yet Grounding Bracket. Tighten all four Handrail BoltsHOW to PUT on the Chest Pulse Sensor HOW to USE the Chest Pulse SensorChest Pulse Sensor Care and Maintenance Chest Pulse Sensor TroubleshootingPerformant Lubetm Walking Belt Operation and AdjustmentHOW to Plug in the Power Cord Features of the Console Enter your weight Move the on/off switch to the on positionGetting Started Attach the clip to the waistband of your clothesHOW to USE the Manual Mode Measure your heart rate, if desired HOW to USE Preset ProgramsSelect the desired preset program Measure your heart rate if desired When the program has ended, remove the keyFollow your progress with the displays HOW to Create Custom Programs HOW to USE Custom Programs Put on the chest pulse sensor HOW to USE the Fitness Test ProgramSelect the fitness test program Enter your ageSelect the pulse-driven program HOW to USE the PULSE-DRIVEN ProgramRefer to on HOW to Connect Your Portable Stereo HOW to Connect Your Computer HOW to Connect Your Home StereoPressVCR. the Play button on your CD player or HOW to Connect Your VCRAudio Adapter Cable Whenkey. the program is completed, remove Follow the on-line instructions to start the program HOW to USE Programs Directly from OUR WEB SiteInformation MODE/DEMO Mode HOW to Move the Treadmill HOW to Fold and Move the TreadmillHOW to Fold the Treadmill for Storage HOW to Lower the Treadmill for USE Top TroubleshootingProblem The power turns off during use Problem The treadmill rocks during use Problem The walking belt slows when walked onProblem The heart rate monitor does not function properly Exercise Intensity Conditioning GuidelinesWorkout Guidelines Exercise FrequencySuggested Stretches Page Description Qty R0203ADescription Ordering Replacement PartsNTL23920 Model No. NTL23920 Limited Warranty

NTL23920 specifications

The NordicTrack NTL23920 is a versatile and robust treadmill designed for both beginner and experienced fitness enthusiasts. Known for its innovative features and user-friendly design, this model is ideal for home workouts, enabling users to stay active regardless of the weather conditions outside.

One of the standout features of the NTL23920 is its impressive incline technology. Users can adjust the incline digitally up to 10%, allowing for a more challenging workout that simulates outdoor running conditions. This feature helps enhance cardiovascular fitness and build lower body strength, making it an attractive choice for those looking to push their limits.

Another major highlight of the NTL23920 is its powerful 2.6 CHP motor, which delivers smooth and consistent performance. This motor is designed to accommodate various workout intensities, ensuring a quiet operation even during high-speed runs. The spacious 20” x 55” running surface is equipped with a cushioned deck that provides excellent shock absorption, reducing the impact on joints and ensuring comfort during long workouts.

The treadmill comes with a 10” interactive touchscreen display that allows users to access the iFit subscription service. iFit offers a library of on-demand workouts led by professional trainers who guide users through diverse routines, ranging from scenic outdoor runs to targeted strength training sessions. Integration with iFit also enables users to track their progress in real time, setting personal goals and maintaining motivation.

In terms of connectivity, the NTL23920 features Bluetooth technology, allowing users to connect their devices for music streaming or syncing with fitness apps. The built-in speakers provide an immersive audio experience, enhancing the workout environment.

Additionally, the treadmill boasts a space-saving design with a folding feature, making it easy to store away when not in use. The easy lift assist mechanism simplifies the folding process, ensuring that users can set it up or put it away without hassle.

Overall, the NordicTrack NTL23920 is an excellent choice for anyone looking to invest in a home treadmill that combines advanced technology, user comfort, and effective workout features. Its combination of incline options, robust motor, interactive training, and space-saving design makes it a top contender in the home fitness equipment market. Whether you’re aiming for weight loss, improved stamina, or general fitness, this treadmill can effectively meet your workout needs.
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