Drive Motor Replacement

3.Using a 1/8-inch Allen wrench, loosen the two set screws in the motor pulley.

4.Slide the motor towards the rear of the treadmill l to give slack to the motor drive belt.

5.Slip the drive belt off the motor pulley, then remove the pulley and the locking key.

6.Remove the four motor mount nuts, then lift the motor out of the treadmill and set I aside. Mark it as the removed motor to avoid confusion with the replacement motor.

This completes motor removal procedures.

Install Replacement Motor

1.Set motor mount onto the four captive screws in the frame.

2.Fit the motor pulley over the motor shaft so that thither of the set screws is aligned with the shaft’s keyway

3.Using a plastic hammer and a punch, tap the locking key into the keyway so that it’s end protrudes about 1/16-inch past the inner face of the pulley.

4.Tighten the set screws that is over the keyway to hold the pulley in place, but do not torque tightly at this time.

5.Place a 5/16-inch flat washer onto each mountain screw, then loosely turn a 5/16- inch lock nut onto each screw.

6.Place the drive belt over the motor pulley, aligned with pulley surfaces.

7.Using a hand on each end of the motor, press motor towards the front of the treadmill to tighten the belt.

8.Slightly tighten the four mounting nuts, just tight enough to hold the motor in place.

9.Check motor alignment relative to the running belt pulley. Hold the edge of a steel straightedge against the outer face of the running belt pulley. The straightedge should be flush against the outer face of the motor pulley. See Diagram B.

10.If the straightedge is not flush against the motor pulley, loosen motor-mount nuts, adjust motor position so that it becomes flush, and then slightly retighten mounting nuts.

5.3

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Star Trac TR 4500 manual Install Replacement Motor
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TR 4500 specifications

The Star Trac TR 4500 is a premium treadmill that has been designed to meet the demands of both commercial gyms and personal fitness enthusiasts. Boasting a range of innovative features and cutting-edge technologies, the TR 4500 stands out as an essential piece of equipment for any serious workout regimen.

One of the most notable features of the TR 4500 is its powerful 4.0 HP motor, which ensures smooth and consistent performance, even during intense workout sessions. Whether you are walking, jogging, or running, the treadmill provides a reliable experience that can handle a variety of user inputs. The motor also supports a speed range of up to 12 mph, allowing users to customize their workouts according to their fitness levels.

The TR 4500 is equipped with a spacious running surface, measuring 22 inches wide by 60 inches long. This ample space allows users to move freely and comfortably, whether they prefer a brisk walk or an all-out sprint. Additionally, the treadmill features a patented Soft Trac shock absorption system that minimizes the impact on joints, making it ideal for users of all ages and fitness backgrounds.

Users will appreciate the treadmill's advanced console, which includes a large, easy-to-read display that tracks essential workout metrics such as time, distance, speed, incline, and calories burned. The console is also equipped with multiple pre-set workout programs that cater to varying fitness goals, whether it's weight loss, endurance, or interval training.

Technologically, the TR 4500 shines with its integrated Heart Rate Control system, which allows users to monitor their heart rates in real-time via contact sensors or wireless chest straps. This feature ensures users can maintain optimal heart rate zones for maximum effectiveness during their workouts.

Moreover, users can enjoy entertainment while they exercise, as the treadmill is designed to be compatible with various audio devices. This includes built-in speakers and a media tray for tablets and phones, enabling users to watch their favorite shows or listen to music as they run.

Durability is another hallmark of the TR 4500, with its commercial-grade construction that promises longevity, even in high-traffic environments. Whether for home use or in a gym, the Star Trac TR 4500 treadmill combines powerful performance, user-friendly features, and superior build quality, making it a top choice for serious athletes and fitness enthusiasts alike.
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