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Adjustment sectional doors Doing it yourself is becoming a frequent item that arouses the curiosity of garage owners, since compared to other designs, this type of gate is characterized by greater complexity of the mechanism and is more difficult to configure independently. Before choosing such a structure, the owner of the garage or other premises for which it is purchased must carefully study how to install such structures and adjust their progress, as well as in what ways the adjustment is carried out.

Spring mechanism, which will need to be adjusted

How to adjust garage doors with your own hands

The answer to the question of how to adjust an automatic garage door often lies in working with the cable included in the structure. It is very important to monitor the tension of this element. When a cable becomes tangled or changes configuration, it can lead to incorrect operation or deactivation of the entire system. You can make this adjustment yourself, without hiring professional workers from outside.

Here the position of the parts is adjusted wrench

What to pay attention to

Adjustments may be required due to different cases- either self installation this mechanism or significant mistakes made by the craftsmen. Pay attention to the following aspects:

• Characteristics of the inertial mechanism on springs. Here you need to take into account that the load on its parts increases when the cable is distorted in various ways - for example, breaking or sliding off the drum;
• Evenness of rising panels. Here, too, it is important that there are no distortions. They cause incorrect closing and greatly increase the risk of early wear or breakage of structural elements, as a result of which you will have to purchase a replacement;
• Quality characteristics of spare parts. You should only buy certified components manufactured by the same manufacturer.

Adjusting automatic gates

Checking the cables

Checking and adjusting the cables is a top priority when working with a sectional structure, because even a small degree of sagging triggers the process of deformation of the guides and the gate itself. It is necessary to check regularly and, if deviations are detected, begin adjustment work.

Sectional Tension Spring

What should you pay attention to when assessing the condition of the cables? These elements must be evenly fixed and must not fly off, break off or change position. If any deviations are found, you can usually correct them yourself. They do this in the following way:

• Place the dowels on the brackets located at the bottom. Firmly fix the drum and screw regulator;
• Then you need to change the position of the adjusting shaft until sufficient cable tension is achieved. Usually for this purpose it is necessary to make two full revolutions of the shaft. At the end of this action, the bolts located on the tension elements-tips are fastened to achieve sufficient fixation of the spring element. As a rule, the described actions are sufficient to eliminate sagging.

If these measures are not enough, it is permissible to simultaneously change the position of the shafts located on both sides. In this case, the shafts open and then the one that shows the weaker result begins to rotate. During the torsion of the first shaft, it is necessary to ensure that the second one is at rest. Then the shafts are rotated simultaneously and secured in the desired position.

Mechanism involving a cable. When setting it up yourself, it is important to tension it correctly to ensure safety

Adjusting garage doors with a split shaft

To adjust this design, perform next sequence operations:

• You need to take the brackets located below and secure them to the wall as securely as possible;
• The key components are installed as carefully as possible. They must be placed on each section;
• The set screw is tensioned to ensure that the cable and drum are supported in a stable position;
• Now we need to eliminate the insufficient tension. The shaft rotates until the sagging fragments completely disappear. But this must be done slowly, monitoring the condition of the cable, since you need to stop in time so as not to provoke its rupture;
• Now you need to tighten the spring elements two or three turns (the number is approximate and is determined by the condition) to ensure that there is no return to sagging;
• Tighten the bolts securing the spring.

There is an option when the cables located on both sides are not tightened equally. What to do in this case? There is an option to rotate both rollers:

• Both coupling bolts must be loosened;
• The shaft that sags more must be turned, while making sure that the adjacent shaft does not change its position. If both shafts are sagging, the second one will also need work;
• Then you need to tighten the bolts that provide the coupling connection.

Automatic gates from the inside

Features of regulation of gates with a continuous shaft

If the garage door has this design, the adjustment procedure will take on a different look. The sequence of work will look like this:

• First you need to lift the work panel and support it (with the help of an assistant, for example) to loosen the support cable;
• After this, the screw responsible for the position of the cable will become visible. It needs to be unscrewed enough so that you can work with tension;
• Now you need to figure out the length of the cable. It must be set to such a minimum value that the sagging is completely removed, but there is no threat of tearing off this element. After this, it must continue to be fixed in the optimal position by tightening the fixing screw back;
• Then you need to lower the working panel again.

Upon completion of the procedure, it is necessary to check the elimination of sagging and the smooth movement of the door leaf. If a single application of the procedure was not enough, it must be repeated again. This design is not simple, and the cable easily takes the non-working position, so desired result may not be achieved immediately.

Sectional example of Dorhan for a garage

Rules for adjusting overhead sectional doors

When working with gates lifting structure The following procedure must be followed:

• The design canvas must be placed in the lowest possible position;
• The brackets located below must be attached to the wall. In this case, you need to monitor the strength of the fixation, since these elements bear a large load;
• The keys are placed on the sections, while ensuring that there is no damage to certain elements of the gate;
• Tighten the screw to secure the drum;
• Turn the roller until the cable slack disappears. It usually takes one or two turns of the spring to completely retract it. It is important not to overdo it in order to avoid excessive tightening;
• Then the bolts are tightened to fully secure the structure.

If this method did not give the desired result, you can work with this method:

• Unscrew the bolts for fastening;
• Turn the roller only in the direction where the sagging occurs;
• Screw the fasteners back.

Now you need to check the gate - it should function as expected. Regular carrying out of such work increases the service life of the structure.

Adjusting the Dorhan gate drive

This manufacturing company of enclosing structures is the oldest manufacturer in Russia of the described category of gates, so buyers of its products are often interested in how to tension the cable on Dorkhan gates - in particular, those models that are equipped electric drive. Carrying out such an adjustment is a fairly standard procedure and is performed according to a scenario similar to similar procedures for gates of other brands. It should be taken into account that in some Dorkhan models chains are used instead of cables, but otherwise the mechanism of action of the structures is identical and is not burdened with specific problems. To adjust, follow the following algorithm:

• Look for the brackets located below. They need to be well secured to the wall. This needs to be done as reliably as possible, since this determines the degree of load they can handle;
• Now we need to fasten the sectional keys;
• Place the drum in the desired position and secure it using a special screw;
• Now the rollers are rotated until the hanging parts are finally removed. Carry out the procedure slowly, monitoring the condition of the cable and the degree of tension in order to avoid excessiveness, which threatens to break the cable;
• Twist the spring two or three turns to secure the cable;
• Special bolted ends are tightened for maximum fixation.

If you have purchased a gate design from the manufacturer Dorhan, you should not forget that this company is the largest manufacturer in the country of a wide range of components and spare parts for the production of gates, and the parts that you will use in repair work should, if possible, also be produced by this company . There have been many recorded cases where the use of unsuitable components caused major problems during the operation of the gate and contributed to its premature wear.

Like other gate models, the works of this company come with a solid shaft and a split shaft. To tighten the cable, you must follow the recommendations described in the general case for these types of rollers. For split structures, the previously described mutual rotation of the rollers located on both sides is also suitable.

Adjusting the spring of sectional doors

The issue of adjusting this element of this design is extremely important for the reason that the functioning of the gate equipped with this mechanism greatly depends on this element. A properly adjusted spring will help resist sagging cables and premature wear of the structure protecting a garage or other building for utility or other purposes.

Adjusting the closing and opening of the structure is quite simple and can be easily done with your own hands without the involvement of a specialist. The whole point here is in the special bolts that come with the gate and can be screwed in and out. If necessary, you can buy such bolts at a specialized store.

To work with the spring, you need to reduce the tension of the bolts, and then start turning the roller that is located on the side where the hanging elements were formed in the position of the cable. Then the bolts need to be tightened back.

In order for this type of gate to serve you as long as possible, you must remember to carry out preventive examination and tightening up sagging areas. In addition, it is advisable to carry out maintenance measures - clean the products from dirt with a soft cloth and clean elements that have been corroded. Then the structure will serve reliably and for a long time.

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This technique is for gates with a spring, torsion mechanism, which is located above the gate opening. For correct and trouble-free operation of sectional doors, it is necessary to periodically carry out technical inspection and lubrication of moving parts.

With absence Maintenance gate, safety elements, such as a photocell, sometimes cases arise when the gate runs into mechanical obstacles when lowering. Mechanical obstacles mean any objects accidentally left in the gate opening. The consequence of a collision, as a special case, is different tension of the cables.

Possible typical manifestations of misalignment of sectional doors with a manual chain drive or motor:

1. the lift gates no longer rise or fall;
2. there is a skew to one side;
3. the rise is not completed;
4. The canvas is not lowered completely.

Typical design of a torsion shaft assembly. Single-shaft system for balancing garage and industrial door leaves. Split shaft.

For normal operation of sectional doors, the cables must be tensioned. Sagging of sectional door cables is not allowed.

As a result, the balancing cables for sectional doors fly off or get tangled.

Let's try to figure out how to regulate this nuisance.

Your gate cables and rollers got tangled, flew off, broke, the brackets are still in place. This technique is also applicable when cables are skewed.

First of all, when starting the adjustment, we unlock the engine (if the control is automatic), if it is chain control, we unlock the chain.

We completely weaken the traction spring.

The next step is spring tension.

Let's move on to eliminating sagging; this technique also applies to broken gate cables.

With the spring weakened, we were able to remove the lower cable thimble. Next we untangle the cable. Having untangled the cable, we throw the cable into the groove of the drum, at least 1/4 of the drum. Next, we lay the cable behind the rollers. We attach the cable loop to the thimble depending on the design of your gate.

We move on to tensioning the traction spring and eliminating slack in the cables.

Rotate the shaft until the slack in the cables is taken out. To ensure tension of the cables, wind the springs by 1.5 - 2 turns and fix them in this position by tightening the bolts of the tension tips.

Elimination of uneven tension of left and right cables.

If one of the cables still sags, the sagging is eliminated due to the mutual rotation of the shafts, which is ensured by the design of the coupling (the presence of grooved holes for tightening screws).

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To do this, loosen the coupling coupling bolts, rotate the shaft on the side of which there is sagging, while holding the other shaft in its original position.

After eliminating the slack in the cable, tighten the coupling bolts.

The next step is to fully cock the springs in accordance with the recommendation. The number of turns must be indicated on the gate nameplate.

The torsion spring is responsible for balancing the door leaf.

It distributes all the weight evenly, thereby making it easier to lift the gate. Serves as a counterweight. The force of the spring is directed upward, and the mass of the gate is directed downward. The ideal setting of the door leaf is set according to the method recommended by the manufacturer. Data on the number of turns of spring tension is indicated in the product passport, on the gate nameplate, and is available from the gate supplier.

Checking the correct spring tension.

The spring sags a little in the middle - this is its normal charged state. The number of marks on the skein must correspond to the number of revolutions indicated in the passport for the set.

Variants of torsion spring state.

• Curved upward;
• wave-shaped;
• flat;

External signs of the spring indicate that it is overtightened.

If you hear clicks or grinding sounds from the spring when the gate is operating, the torsion mechanism must be lubricated with liquid lubricant; if the sound does not stop, you should call a specialist. Check the condition of the spring before the season change, and especially after severe frosts, the spring should sag a little in the middle - the main recommendation

After adjusting the springs, it is necessary to check the correct setting of the sectional door's balancing mechanism.

To do this, you need to lift and then lower the sectional door by hand. The applied force should be 10-20 kg. The gate movement must stop when the force is removed.

How to eliminate uneven tension of left and right cables with an uncut shaft.

What does it mean not a split shaft - it does not have a coupling. A consequence of the lack of parts is that the tension of the cables is adjusted not from the top, but from the bottom. The coupling, as described above, eliminates uneven sagging of the left and right cables.

Complete setup of electric ceiling drive garage doors includes

• adjustment of the extreme positions of the upper and lower
• regulation of the travel force of the web along the guides
• programming remote controls

Instructions for setting the end positions of the sectional-750 (SE-1200; Fast-750) electric drive blade

1_ Setting the upper end position of the garage door

Press and hold the “P” key until “1” lights up. Next, release and press “P” again, “1” will start flashing.

2_ Setting the lower position of the garage door leaf

Press and hold the “P” key until “1” lights up.

The final preservation of the upper and lower position of the garage door leaf:

By pressing the "+" key we set the number "1" on the display. Next, press the “P” key for 5 seconds. "0" appears on the display.

The programming is completely saved and completed.

SETTING UP THE REMOTE

Instructions for setting up the DorHan remote control for the Sectional-750 (SE-1200; Fast-750) ceiling drive

On the display of the electric drive, press and hold the R button. Another zero should appear for a second and go out.

After that, select the desired button on the remote control and press it twice. The remote is programmed!

VIDEO INSTRUCTION

Programming the remote control SE-750 (SE-1200); Adjustment of the upper, lower position and force of the gate.

WE CONFIGURE SLIDING AUTOMATIC GATES

Instructions for setting up the DorHan remote control for the drive sliding gates Sliding 800 (SL-300; SL-1300; SL-2100)

1.Hold down the programming key for the electric drive board.

The indicator should flash.

Release the key and press the button on the DorHan remote control (2 times) that you chose to open the device.

The remote control recording is finished.

VIDEO INSTRUCTION

Programming the remote control Sl-300 (Sl-800; Sl-1300; Sl-2100) new drive board; Drive board without protective casing.

DOWNLOAD INSTRUCTIONS ELECTRIC DRIVE DOORHAN SECTIONAL-750 PDF file format

If you have sectional doors installed in your garage, then you will certainly be interested in the question of adjusting automatic garage doors yourself. After all, everyone knows that professional craftsmen charge a hefty price for such work, and every good owner wants to save money. Also, calling a specialist will waste your precious time, which is an unaffordable luxury these days.

The cables and their tension level are important in the entire design of such gates. The service life of your gate depends on them. They are intended to activate the workflow , and also to balance the balance. If you are the owner of just such a gate, then you should not allow the cables to sag.

Any owner who is concerned about the quality of his garage door mechanism can handle this type of work. All you need is to understand how to do it. To do this, we suggest that you watch the video presented at the end of the article.

Figure 1: main design elements of sectional doors

Rules for adjusting overhead sectional doors

It is worth noting that when operating and repairing your garage door yourself, you should pay attention to the following rules:

• Violation of the geometric component of your garage door, i.e. distortion of the canvas itself. If such a defect is not eliminated in a timely manner, it can lead to rapid wear of all structural parts.
  
• Correctly adjusted balancing for the gate opening/closing mechanism is especially important. If errors were made during setup, this may lead to excessive load on the entire structure, and, consequently, the cable may break or other parts may quickly break.
  
• And of course, you should always use only high-quality materials in installation and adjustment overhead gates. The reliability and service life of the entire structure will depend on this.

Adjusting the cables on a gate with one torsion bar - the task is not difficult and absolutely any owner can cope with it. But, if you are unable to adjust the tension of the sectional door cables, then we still recommend turning to professionals. Otherwise bad repair gate may lead to more big problems and fatal errors.

Figure 2: components of a sectional door

Adjusting the Dorhan gate drive

Today, more and more of our clients are choosing Doorhan gates. These are the most practical and reliable garage door models for your home.

But very often, after installing the entire structure itself, you may have a question: how to adjust Doorhan gates with an electric drive? It is quite simple to adjust Dorhan sectional doors yourself; you only need to follow our instructions.

If you are interested in how to tension a cable (chain) on a large garage door made by Dorhan or another similar company, follow the instructions:

1. The first step is to securely secure the bottom brackets to the wall. The better and more firmly you can secure them, the more load they can withstand.
2. Install the key for your gate section.
3. Fix the drum using the process of tightening the installation screw.
4. At this stage, you need to rotate the shaft until the sagging of the structure disappears. This work should be done slowly and deliberately so that you have a chance to stop at the right moment.
5. Screw the springs two or three turns and no more.
6. Tighten the ends on the bolts, which will help further secure the springs

Carrying out renovation work in this scenario, you will be able to maintain your garage door in the same condition as purchased for many, many years. Still, from time to time it is worth checking the tension in the cables, as it can weaken without giving a visible effect. And, as you know, any breakdown, like a disease, is better to prevent than to treat.

Figure 3: Drive device

Adjusting the spring of sectional doors

In the process of adjusting the lever gate mechanism, the most popular question among our customers is: self-adjustment automatic gate springs.

Correct spring tension on sectional doors allows you to avoid sagging cables, and, consequently, unplanned wear and tear on the entire garage door mechanism. This adjustment of the opening and closing of automatic sectional doors is quite simple by unscrewing and tightening the bolts.

Therefore, if you are interested in how to properly tension the spring on a sectional door, for example, manufactured by Dorhan, or a similar design, then to do this, you should ease the tension on the bolts and then turn the shaft from the side where the cable slack occurred. And then you should tighten the bolts back. This method is universal and works flawlessly.

Video: Adjusting automatic garage doors Video: Tensioning a spring on a sectional door

Every good owner knows that any mechanism, even the most reliable one, can break down. And to prevent any unpleasant surprises, we recommend inspecting your garage door mechanism at least once a month for possible problems.
The most common problem with garage doors during their constant use is sagging of the cable, which is responsible for raising and lowering the garage door. This occurs due to improper installation of springs on sectional doors.
First of all, we would like to draw your attention to the fact that adjusting or replacing the cable of sectional doors is unsafe, since the torsion springs are under high tension. Therefore, perform this work with great care and use only reliable and high-quality tools.
Here are the main stages of work:

1. Check the marking strip on the spring to ensure it looks like a straight strip.


2. Secure sectional doors so that they do not rise while repair work is being carried out.


3. Insert the tension rod into the hole where the spring ends and turn.


4. Perform the same operation with another rod, but pulling out the first one.


5. Secure the spring using a key.


6. Check the operation of sectional doors.

The installation of the torsion spring mechanism of Dorhan sectional doors is carried out according to a similar principle. If you still cannot adjust the tension of the sectional door cables, then our advice is to seek the services of qualified repairmen.

How to twist a spring on a torsion gate

Setting up torsion springs for sectional garage doors on our own it happens quite simply. Even a beginner in repairs can understand how to tension a torsion spring on a gate. The main thing is to take all necessary precautions and use only high-quality tools.
If you are interested in how to tension and secure the cable on a large garage door, for example, made by Dorhan, then you should understand that the entire torsion shaft is assembled in parts. So here's a basic plan on how to adjust a torsion gate mechanism:

1. Relieve the tension on the springs by lowering and fixing the structure.


2. Unscrew the screw, which will give the drum mechanism free movement.


3. You wind the cable.


4. Screw the screw into its original position.

Many inexperienced workers wonder: why do garage door cables fly out? The answer to this lies precisely in the uncoordinated operation of the entire mechanism and, in particular, the springs.

Figure 2: Basic parameters of torsion springs

Adjusting automatic gate springs

Adjustment of cables on gates with one torsion bar or several, as well as other types of gates, is carried out in the following steps:

• We raise the gate and fix it with stands. This way we can reduce the pressure on the springs of automatic gates.


• Using a screwdriver, unscrew the screw that helps secure the cable mechanism in the drum.


• Winds the cable to the optimal tension value.


• Screw the screw back in.


• We launch the gate and check the operation of the mechanism.

Figure 3: Spring Tension Steps

Adjusting spring tension on sectional doors

All repair work on sectional doors is carried out using the same method, but adjusting the cables of sectional doors with an electric drive still has some features. Since such structures, in addition to all components, have electrical components. Therefore, before proceeding with installation or repair, for your safety, you should disconnect the wires from the electric drive while performing work. Since accidentally touching the wires with a metal screwdriver can lead to electric shock.