The treadmill run is one of the most used cardio fitness workouts. It is one integral part of one’s commercial or private gym. As a result, many have been looking to the machine as one of the most effective equipment for cardio exercises. In addition, it helps people achieve their fitness goals indoors, especially when the outdoor weather is not suitable for workouts.

It has brought convenience to the workout routine for everyone by making it possible to hop on as and when the time is there. Therefore it also comes as a responsibility to take care of your machine and maintain it accordingly. The more care and attention it gets, the more the machine’s life expectancy. Therefore, it is necessary to look out for the possible treadmill problems that can come up and be aware of the solutions to fix them to the extent possible on your own.

how to fix the treadmill belt
How To Fix The Treadmill Belt

What are the problems that can creep up? ( How To Fix The Treadmill Belt? )

After a time and regular use, many problems can pop up, like display issues, irrelevant speed, non-working motor, or burning smell, but one widespread problem with the treadmill is slipping off the treadmill belt. This has been a most known issue among treadmill users that caused sudden breakdowns and disturbance in their workout routines.

There are many possible reasons for the slipping that can be fixed at home with guidance from the owner’s manual. It mainly depends on the machine’s brand, age, and condition. The older the treadmill, the more difficult it gets to maintain the needs. The running belt comes aligned with the running deck, but once started using it, and after an optimum use, it can get stretched and require realignment. Timeliness is the safety key to minimizing the damage or downtime of a treadmill if one understands its functions correctly and quickly.

When looking for a solution to fix the treadmill belt slipping, it is essential to understand why it happened in the first place. When the root cause is understood, finding a permanent solution for the problem becomes easy instead of going for the trial and error method of experimenting on such expensive equipment.

5 Reasons For treadmill belt slipping

Lack of lubrication ( How To Fix The Treadmill Belt? )

The treadmill machine is designed so that the running belt runs over the deck with the help of a series of rollers. They keep the belt attached to the deck and rolling to complete the circuit. Excessive and daily use of the treadmill for workouts causes healthy friction between the parts.

The friction is considered necessary to keep the treadmill running when power cord is turned on. But, to let it operate smoothly, it is required to keep the friction between the parts low, for which regular lubrication is suggested.

Working on a treadmill becomes problematic when the parts lack the proper lubrication. But irregular lubrication of the treadmill belt can increase the friction between the parts and result in a slipping belt. This is the most common reason for treadmill belts slipping.

Also, what kind of lubricant is used plays an important role. If the water base silicone solution is used, it evaporates soon, making the lubrication procedure more repetitive than necessary. This becomes the most irritating hurdle in your workout. It is also essential to note that unnecessary lubrication can damage the treadmill belt.

how to fix the treadmill belt
How To Fix The Treadmill Belt

The drive belt is too loose ( How To Fix The Treadmill Belt? )

The drive belt is an integral part of the machine fitted at the front, running between the motor and first rollers under the deck. They are positioned similarly due to the treadmill belt running in the center alignment. It supports the completion of an operating circle of the treadmill belt over the running deck.

All kinds of drive belts wear over age and use, but when not taken care of on time, the belt tends to wear out quicker than expected. There can be many reasons for it, but it dramatically impacts the working of the treadmill. In addition, it can turn into a circuit breaker when the drive belt happens to be improperly fixed or in loose alignment. Finally, though not well known, it is also a significant reason for the belt slipping.

When stepping on the treadmill, the belt stops along with the front rollers and pulley, indicating the worn-out drive belt. If the drive belt between the front rollers and motor is loose, the treadmill belt starts slipping. The drive belt is easy to tighten, but this solution will not last long. Also, overtightening can increase the operating amp, later burning the motor.

The walking belt is too loose or tighten ( How To Fix The Treadmill Belt? )

The walking belt is the part on which one runs or walks. This is the part made which is misunderstood as made up of rubber, but in actuality, it is made up of PVC, most commonly on which one steps the feet to run and walk. As a result, the belt tends to get stretched and slips from the track when used for a long time.

When the tension on the walking belt is less or significantly tightened, the belt tends to slip from its center alignment, causing workout disturbance. Similarly, over-tightening creates tension on the motor’s working and causes the treadmill belt to slip, damaging the other expensive equipment parts.

Some general guidelines exist as a safety key for the distance between the running deck and the running belt. These specifications are suitable for most machines for understanding and maintaining the treadmill belt. The distance between the treadmill belt and the deck is usually about 2-3 inches.

Not following the distance as per specification results in rising problems resulting in slipping the treadmill belt. When the observed length exceeds the specified one, the belt is said to be loosened, which causes easy belt slipping accidents. In contrast, when the observed space is less than 2 inches, the belt is too tightened, causing more tension and slipping.

There can be an additional problem in the loosening or tightening the adjustment bolts when the plastic ones are used for the fitting. After a time, these plastic adjustment bolts get fatigued and restrict the tightening of bolts. This keeps the belt loose than necessary and causes the continuation of the treadmill belt slipping issues.

The pulley on the front roller might have lost grip ( How To Fix The Treadmill Belt? )

The pulley fixed in the front of the equipment accommodates the weight on the treadmill belt and works to help the belt complete its operating cycle. However, if that pulley loses its grip over the belt and is misaligned, it results in the treadmill belt slipping accidents. This can be observed when the pulley and the drive belt are in motion, but front rollers and walking belts are stationed when the treadmill is turned on for use.

Front rollers are the driving force of the belt, and if it gets out of alignment, the belt slips from its position, and treadmill running is interrupted. Though this is a bit uncommon and difficult to understand for some unaware people or newly introduced to the machine, this is a critical issue that causes the treadmill belt to slip from the center alignment.

Worn out treadmill belt ( How To Fix The Treadmill Belt? )

Everything has a deadline that comes with it, and even a well-maintained treatment cannot add much to it. In addition, when used for a long time, and by many, the treadmill belt is worn out and causes slipping accidents occasionally.

When tried and tested every other way to prevent the slipping of the treadmill belts, nothing seemed to work out; the slipping belt became the popping signal of the treadmill belt getting worn out.

Also, when purchased secondhand, the treadmill running belt wears out more quickly than expected. This worn-out belt is all stretched out due to being in use for a very long time, and nothing can be a permanent solution to prevent the multiple times happening of slipping belt situations.

how to fix the treadmill belt
How To Fix The Treadmill Belt

How to fix the slipping treadmill belts

Regular lubrication ( How To Fix The Treadmill Belt? )

The most advised solution for slipping off the treadmill belt is to keep the running belt lubricated regularly. To keep the friction between the belt, deck, and rollers at a minimum, it is essential to lubricate the system at regular intervals. This helps in the optimum working of the treadmill helping in the regular workouts.

While lubricating the belt, it is essential to follow the process correctly. In the case of the machines that come up with the tag of no-maintenance, a detailed follow-up of the owner’s manual is suggested, or the help of the authorized professional for the regular up-to-date lubrication.

Also, a silicone-based lubricant is suggested for regular lubrication but not the one with a water base because it evaporates sooner than expected and increases the number of times a treadmill needs to be lubricated. This might result in over lubrication of the machine creating a chance of belt damage.

Generally, a treadmill is supposed to be lubricated on completion of 40 hours of working or three months, whichever falls sooner. When used on a personal basis, lubrication is suggested once a year if the machine’s working hours are less than 10 per week. But if it goes beyond ten working hours a week, lubrication is suggested to be done twice a year at least.

Sometimes inefficiency or inability to adjust the bolts can also result in loose settings that result in the belt slipping. Therefore, remember the number of times you turn the screw before loosening the belt for lubrication. And after lubrication, adjust the bolts in exact positions for better results.

Even in the case treadmills that come with the tag of no maintenance need regular lubrication for better working. To maintain the machine properly, it is essential to refer to the owner’s manual while looking for the proper lubricant.

Replacing or realigning the slipping drive belt ( How To Fix The Treadmill Belt? )

It is well understood that a drive belt plays a crucial role in the working of the treadmill and the significant disturbance it can create when not in the proper place. The drive belt, located between the motor and front rollers, can be fixed when loose. It can be tightened as a temporary solution for the time being, but it might increase the pressure on the motor. The problem can also be treated with dressing spray, but this is not the permanent solution.

realigning the drive belt or using dressing spray can lessen the number of belts slipping, but that is not the permanent solution to look forward to. Therefore replacing the drive belt is the best possible solution that saves from the hustle of slipping the belt. This replacement is advised to be done at the authorized service centers concerning the manufacturer’s manual. Outside repairs can result in voiding the warranty conditions.

how to fix the treadmill belt
How To Fix The Treadmill Belt

Tightening of treadmill belt when too loose ( How To Fix The Treadmill Belt? )

Regular treadmill use often stretches up the belt, making it loose on the deck. This loosening disturbs the belt’s center alignment, frequently moving from the position. It can be confirmed with the specified allowed distance of 2-3 inches when lifted from the deck. When the actual distance is beyond 3 inches, the treadmill belt requires tightening, which can be done following the procedure stated in the owner’s manual.

Tightening of the belt can be done with the help of a hex key or Allen wrench to adjust the rear bolts of the treadmill, the tool that usually comes with the treadmill when purchased. Changing to metal settings is suggested to be safe from rising issues due to the inability to move bolts or adjust them as needed. This allows the proper and essential tightening of the loose belt to prevent slipping.

The plastic adjustment bolts that restrain the required tightening can be replaced with the metal ones using a fixing kit, or replacing the end caps can also work.

Loosen the belt in case of too much friction ( How To Fix The Treadmill Belt? )

Over-tightening the belt is also a serious problem that creates unnecessary tension on the equipment’s motor, increasing the friction between parts. This average distance between the deck and the treadmill belt can range between 2-3 inches but can not fall below that, which is loosened up with the help of a manufacturer’s guide.

After lubrication, the belt might get overtightened and start slipping, which can be brought back to its original position if one remembers it or, as stated in the owner’s manual, with the help of an Allen wrench or hex key.

Realign the pulley and front rollers ( How To Fix The Treadmill Belt? )

When the pulley operating the circular motion of the treadmill belt or front rollers gets out of alignment or loses its position, the belt tends to slip from the centered alignment. This situation can be fixed by drilling a pilot hole and putting a very short sheet metal screw to fasten the pulley, but the assistance of a technician is suggested. Otherwise, replacing pulleys or rollers is indicated as a better way for the machine’s optimum performance.

The alignment can be checked with the help of colored tape and a permanent marker, and then decide what can work out better, just tightening the pulley or replacing it. At this stage, advice from a professional before taking any step is strongly suggested for warranty reasons, as mentioned before.

Replace the worn-out belt ( How To Fix The Treadmill Belt? )

When treadmill belt slips have become a usual problem in your workout schedule, and no other solution seems to work, it can be taken as a sign to replace the treadmill belt surface altogether. But unfortunately, it doesn’t help to lubricate the belt repeatedly when the result is not as expected. Therefore, the best possible solution to this is the replacement of the treadmill belt.

Another sign of recement is the separation of the seam, especially when the walking belt is always stiched to the seam at a certain angle to increase the strength. If it comes to notice that the seam is separating, the belt should be replaced with a new belt as soon as possible.

Wrapping Paragraph ( How To Fix The Treadmill Belt? )

When purchasing a treadmill, new or secondhand, it is essential to be attentive towards the care and attention it needs. Once in use, the treadmill might start popping up the issues like display problems or speed irrelevancy, but nothing can rank up to the most common problem of the treadmill belt slipping.

Treadmill belt slips for many reasons such as lack of regular lubrication, loosen drive belt, out of alignment pulley or front roller, etc. But the most probable reasons for belt slipping are loosening the belt due to use or overtightening after lubrication.

All these problems come with solutions that can be implemented by one with the help of the manufacturer’s manual. Also, all the equipment like Allen wrench or hex key comes with the treadmill when purchased or can be brought from the market suitable to the model one owns. It is essential to take the actions mentioned in the manual for warranty reasons. Otherwise, it is best to with the authorized service provider’s help

how to fix the treadmill belt
How To Fix The Treadmill Belt

FAQs ( How To Fix The Treadmill Belt? )

Q.1 How do I stop my treadmill belt from slipping?

It is essential to understand first why the treadmill belt is slipping. Understanding the root cause can lead to immediate solutions to prevent it rather than trying everything that brings no results. The most preferred and suggested way to prevent the treadmill belt from slipping can be achieved with regular lubrication of the belt.

But there can be many other reasons for slipping the belt, like an out-of-alignment pulley and front rollers, worn-out belt, loosened or over-tightened belt, and slipped drive belt. Resolving these issues with the help of the owner’s manual or a professional can prevent slipping the treadmill running belt.

Q.2 Does the treadmill belt slip when it is too tightened?

It is suggested to keep the optimum distance between the deck and the running belt of the treadmill for optimum machine performance. When the belt is lifted from the deck, the specified length is 2-3 inches.

When this distance goes below the specified, the treadmill belt slips, creating more friction and tension on the motor and other machine parts. The more than needed tension in the treadmill can also damage the additional active components, which might lead to unexpected replacements of a new belt and other damaged parts.

Q.3 What are the signs of the need for lubricating treadmill belts?

Often slipping off the treadmill belt is the most highlighted sign of requiring lubrication, along with that increased friction in the deck, motor, and belt, loud noise when in use can also be taken as the signs of a treadmill needing lubrication.

As irregular lubrication results in increased friction, loud noise, and slipping belt, it might affect the performance of other working parts of the machine. This results in sudden breakdowns or stopping the treadmill running belt when used. These can also be taken as the signs of a treadmill needing lubrication.

Q.4 How do I know if my treadmill belt has optimum tension?

It is essential to have the optimum tension between the deck and the treadmill belt; otherwise, it results in slipping accidents occasionally. When lifted, the distance between the deck and the belt is supposed to be 2-3 inches, not more or less. If the space is observed to be more than the stipulated one, it needs tightening, and if the distance falls short than 2 inches, as mentioned before, it requires loosening. When not taken care of properly, loosening the belt increases the treadmill belt slipping accidents and results in too much friction when tightened more than necessary.

Q.5 When to replace the treadmill running belt, and what are the signs?

Occasional treadmill running belt slips is one of the most common signs of relief, especially when no other solution prevents the treadmill belt’s slipping. Unless the belt is torn up or damaged, immediate replacement is not required. However, if the treadmill is used for a long time and by many in the house, the constant working can lead to wearing the belt enough to require a replacement with a new belt.

If the treadmill is secondhand, the use by many even after the purchase might result in the wearing up of the treadmill running belt in a short time. This makes it necessary to be aware of the previous use of the machine to be prepared for the period in which the treadmill belt might need to be replaced with a new one.

Q.6 How frequent lubrication is necessary for treadmill belts?

Regular lubrication is the key to optimum treadmill performance and long life. It should be done at regular intervals and never missed for the betterment of your equipment. Generally, it is advised to lubricate the treadmill after working for 40 hours or three months, whichever appears sooner.

Irregular lubrication or over-lubrication is the most common reason for treadmill belt slips. as irregular lubrication increases the friction between the other parts, over-lubrication damages the treadmill belt. The carelessness of one can lead to more than expected expenses for replacing belts or other factors. This can also minimize the equipment’s life and damage the other expensive parts.

Q.7 How to keep my treadmill belt at a center alignment with left rear roller bolt?

The treadmill belt is permanently placed and fixed with the center alignment, which is disturbed for various reasons, like a pulley and front roller loosening alignment, causing the belt to slip to the one side. Centering the belt alignment is easy but only use the left rear roller bolt to adjust the alignment. The right screw from the rear roller bolts adjusts other problems.

When the treadmill running deck is new, or the whole equipment is new, while realigning the belt to center, turn the left rear roller bolt 1/4th in the direction you want it to go and let the treadmill run for 90 seconds before other adjustment bolts. It is suggested not to turn the wrench of the left adjustment bolt more than 1/4th.