How to adjust the loose chain of electric roller shutter door?

Generally, there are three screws to fix the motor, and the old-fashioned motor has four, roll the door together and tie it up with a rope to pull the clutch until the door does not stop, or pad something under the door and pull the clutch until the door does not fall to stop, loosen the screws that fix the motor, and then click the screw on one side and twist it a few times to tighten the chain.

The electric rolling shutter door is connected in series with multi-joint movable door pieces, the starting is driven by the electric unit, and the rolling shutter door rotates the upper and lower doors with the scroll above the door as the center in the fixed slideway. It is suitable for commercial facades, garages, shopping malls, hospitals, factories and mining enterprises and other public places or residences. In particular, the door opening is large, and the place where it is inconvenient to install the ground door body plays a convenient and fast opening role.

Such as for garage doors, shopping mall fire shutter doors.

Hangar doors.

Loosen the screws on both sides of the rear axle, tighten the tension screws on both sides, and tighten the axle screws after adjustment.

Common problems and solutions for electric rolling shutter doors:

The motor does not move or rotates slowly.

The cause of this fault is generally caused by line disconnection, motor burning, failure to reset the stop button, limit switch action, and large load.

Solution: Check the line and connect it; Replacement of burned motors; Replace the button or repeat it several times; Toggle the slider of the limit switch to remove it from the micro switch contact and adjust the position of the micro switch; Check whether there is any jamming in the mechanical part, and if there is, remove the jamming and clean up the obstacles.

Control failure. The location and cause of the failure: the relay (contactor) contact is sticky, the stroke micro switch fails or the contact is deformed, the slider set screw is loose, the backing screw is loose and the backing plate is loose, so that the slider or nut can not move with the rotation of the screw rod, the limiter transmission gear is damaged, and the upper and lower keys of the button are stuck.

Solution: Replace the relay (contactor); Replace the micro switch or contact; Tighten the slider screw and reset the backrest; Replace the stopper transmission gear; Replace the button.

The hand zipper does not move.

Cause of failure: Ring chain blocking the cross groove; The pawls are not detached from the ratchet; The chain crimping frame is stuck.

Solution: straighten out the annular chain; Adjust the relative position of the pawl and the chain bracket; Replace or lubricate the pins.

The motor is vibrating or noisy.

Cause of failure: unbalanced or broken brake disc; brake discs are not fastened; Bearing oil loss or failure; Poor gear meshing, oil loss or serious wear; Motor current, sound or vibration.

Solution: Replace the brake disc or readjust the balance; fasten the brake disc nut; replacement of bearings; Repair, lubricate or replace the gears at the output end of the motor shaft; Inspect the motor and replace it if it is damaged.

There are generally three screws to fix the motor.

The old motor was four.

Roll the doors together, tie them up with rope, and pull the clutch until the door does not move and stop.

Or put something under the door and pull the clutch.

Until the door does not stop falling.

Loosen the screws holding the motor loose.

Then click on the screw on one side (usually visible in the back).

Just tighten the chain and twist it a few times.

ElectricRoller shutter doorsThe manual chain is stuck at the exit cross slot,ElectromagnetsLoose fasteners. Solution: Straighten out the chain grid, pull back and forth, and tighten the magnet wire.

If it can't be solved, please consult after sales.

Common faults of rolling shutter doors:

1. There is a collision sound when the door leaf of the roller shutter door is closed inward. The reason: the electric roller shutter closes too quickly, or the motor itself is malfunctioning.

2. The opening and closing speed of the roller shutter door is too slow, and it often takes a long time. The reason is: the voltage in the motor is abnormal or the belt connected between the motor and the roller shutter door is loose. Or it is caused by friction between the movable door and the fixed door and the floor.

The manual chain of the electric roller shutter door can not be pulled, the details of the problem are: the manual chain of the electric roller shutter door cannot be pulled, I searched for you to collect some relevant solutions through the Internet, hoping to help netizens who have had the same or similar problems, as follows:

Solution 1:

Solution 2:

The rotating shaft is stuck, check the lubrication, I hope mine is helpful to you, I wish you a happy car to ask the company about the electric rolling door was broken by the manual chain of the car, the chain can not be pulled, but the remote control can be used.

The rotating shaft is stuck, check the lubrication, I hope mine is helpful to you, I wish you a happy car.

How to adjust the jog and linkage of the electric roller shutter door 1, before the test machine, it is necessary to find the screw on the limiting mechanism, unscrew it with a screwdriver, and pull the annular chain, so that the curtain can keep a distance of about 1m from the ground.

2. Control the electric roller shutter door through the buttons on the remote control to see whether the buttons of each function such as lifting, descending, and stopping are sensitive and convenient to use.

3. If it can be used normally, rotate the limit screw sleeve and let it touch the micro switch roller. During the adjustment process, as soon as a ticking sound is heard, the screws can be tightened.

4. Repeat the above steps and repeatedly carry out the debugging work until the limit is rotated to the best, and the locking screw can be tightened.

Second, what should be paid attention to in the use of electric roller shutter doors?

1. In the process of opening or closing the electric roller shutter door, someone needs to be on the scene to guard, and try not to have pedestrians enter, so as not to bring hidden dangers to safety. If there is a tilt of the door curtain or a stuck position on the track, the door curtain should be closed in time to avoid greater damage to the motor.

2. In the process of using the electric roller shutter door, try not to let the roller shutter door rise to the highest position at one time, as long as the vehicle can pass normally. If the width and height of the vehicle exceed the size of the roller shutter, it is not passable to avoid crashing.

3. In the process of using the electric roller shutter door daily, it is also necessary to regularly check whether the opening and closing of the roller shutter door is sensitive, and add engine oil regularly. In addition, after using the roller shutter door, it needs to be closed in time, not for a long time, in order to prolong the service life.

When the electric roller shutter door chain is loosened and adjusted, the blind screws on both sides of the rear axle should be loosened, and then the tension on both sides of the screws should be tightened, and the axle Sunyou screws should be tightened after adjustment. Common problems and solutions for electric roller shutter doors: the motor does not move or the speed is slow, the cause of this fault is generally caused by line breakage, motor burning, stop button not reset, limit switch action, large load, etc.

The manual chain of the electric roller shutter door can not be pulled pro! Hello, I am glad to answer for you<> pro-electric rolling shutter door manual chain can not be pulled as follows: the rolling shutter door motor chain does not move the state forest strip manual hall does not move the cause and solution 1: you should pay attention to the motor chain when pulling the chain, the curtain is up or down, the chain will be idling when it falls, if the correct way to pull up, you will feel that the chain obviously has the strength to eat, while playing the gear to see if the curtain is rising, the process is very slow, it takes about 15 minutes.

2: It will be much faster to put it down, you just need to grab the figure-seven handle of the motor [this is the motor brake device], pull it down hard, the door will naturally fall, and you don't need to pull it with a chain! Generally, most of the chutes on both sides are rubbed for a long time, and some places may be damaged, so it is not easy to pull.

Then there may be one side of the spring on the roller shutter door that is broken, the direction is not right, and it may not be easy to pull. It is recommended to check the chutes on both sides first, whether there is any damage, and then pull the door to see if it is biased, I hope I can help you <>

Do you have any other questions?

Hello dear, many shops or garages will use rolling shutter doors, the operation is simple and convenient, and space-saving, rolling shutter doors have manual and automatic, so where is the manual chain of electric rolling shutter doors? Where is the manual chain of the electric rolling shutter door There is a manual chain on the motor of the electric rolling door, and you can pull it. If it is with a spring balance system, there will be a manual electric switch or a manual handle to prevent accidental power failure or damage.

Different types of electric roller shutter doors have different manual square front friend chain type, in the process of use, try to keep the controller and voltage stable. Do not install in a very humid environment, and do not turn on the remote control at will. If you find cables or knots on the door, you need to deal with them promptly.