CAUTION: To avoid injury, the locking pins should be inserted and the handrails secured during these procedures.

c.Reinsert the height adjustment pins and push down on the portion that wraps around the tube to secure the pin into position. Pull and push on the elevation tube to make sure that it is secure.

d.Return the treadmill to an upright position so that the base is flat on the floor and go through the following check list.

Make sure that all the bolts and fasteners you installed are secure. Use the hex key (E) to tighten any bolts that may be loose.

Check that the height adjustment pins are placed in the same setting in both elevation tubes. If necessary, readjust the settings by following steps 2 and 3 above.

Make sure that all excess lubricant has been wiped off of the running belt and deck. Use paper towels or a clean cloth to wipe off the lubricant.

Checking the Alignment of the Running Belt

Before working out on your treadmill, you need to check the alignment of the running belt. The running belt on the 904 treadmill has been fully adjusted at the factory and should track straight on the deck. However, if the running belt seems to track off center or you hear a chafing noise, stop walking and check the belt alignment by taking the following steps:

1.Walk on the treadmill while holding onto the handrails for balance.

2.Observe the running belt for a couple minutes.

3.If the running belt tracks off center or the belt moves toward either flywheel, you need to align the belt.

4.If you determine that the belt needs alignment, follow the steps in Aligning the Running Belt found in the maintenance section of this manual.

Once the treadmill is assembled, be sure to check the alignment of the belt periodically. Adjust the running belt as soon as it needs alignment to prevent tearing or fraying of the belt. Any damage due to improper maintenance of the running belt is not covered by the limited warranty.

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Precor 904 owner manual Checking the Alignment of the Running Belt
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904 specifications

The Precor 904, a model within the renowned line of commercial cardiovascular equipment, stands out for its blend of advanced technologies, ergonomic design, and user-focused features. As an elliptical trainer, it seamlessly embodies the essence of a low-impact workout while ensuring high-intensity training options for users of various fitness levels.

One of the standout features of the Precor 904 is its patented Adaptive Stride Technology, which allows users to customize their stride length from 21 to 24 inches according to their preference. This adaptability makes it suitable for individuals who seek diversity in their workout experience, especially in terms of targeting different muscle groups.

The console design on the Precor 904 is another highlight. It features a user-friendly interface with a bright, backlit display that offers essential workout metrics such as time, distance, calories burned, and heart rate. The machine is equipped with multiple workout programs, including interval training and hill climbing, designed to keep users engaged and motivated throughout their sessions. The integration of touch sensors and wireless heart rate monitoring ensures that users can easily track their exertion levels.

In terms of durability and construction, the Precor 904 is designed for commercial use, with a robust frame that can withstand heavy usage. The heavy-duty flywheel ensures a smooth and quiet operation, enhancing the overall user experience. Furthermore, the patented CrossRamp technology allows users to adjust the incline, adding another layer of customization to their workouts.

The ergonomic design of the Precor 904 is centered around user comfort. The non-slip foot pedals cater to various foot sizes, promoting a secure grip during exercises. Additionally, the upright posture encouraged by the machine minimizes the risk of joint strain, making it an excellent option for individuals recovering from injuries or those with joint sensitivities.

Accessibility is another hallmark of the Precor 904, as its height and entry point are designed for users of all ages and abilities. Whether in a home gym or a commercial fitness center, the Precor 904 provides a versatile cardiovascular workout that can help users achieve their fitness goals effectively. Its combination of innovative technology, user-centric design, and durability makes it a standout choice for both personal and professional environments.
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