Replacement lock in metal door

situation when there is a need to change the lock in the metal door, it happens infrequently, but it requires an immediate solution.

For the protection of housing and property - a function of not only the front door, but the lock.

Therefore, many homeowners do not want to trust such an important matter as the replacement of the lock, unauthorized people.

Replacing the lock required if:

• door was changed to a new one;
• lock is out of order;
• weak, unreliable lock;
• keys were stolen;
• occurred breaking the front door;
• obvious mechanism damage.

independently change the lock in the metal doors are not too difficult.

But in order to master the process itself, you must first prepare theoretically, see the appropriate video, to get acquainted with the device and to understand the essence of the process for his replacement.

Types of locks and their device

Specificity replacement lock in the iron door of the castle determined by the device itself.

Therefore, you must first define its type.

Video:

There are 3 types of locks:

1. Cylinder - the core of this type of lock has a cylindrical shape and equipped with a special secret mechanism.The package includes a lock larva (cylinder), the lining of armored steel and the handle.The principle of action - when turned the key, the pins, which is equipped with a mechanism to get into special recesses;
2. Disk - a secret element of the disc mechanism is a cylinder, inside which there is a set of freely rotating discs.The key for the lock disk has a semicircular cross section.View This type of lock can only be achieved if the cuts on the key are the same in shape and size to the disk.If you use a different key, the lock mechanism of the rotation disk;
3. lever - a secret element of this type of locks are special plates, which are called levers.Each of the plates has a special shaped cutouts.Lever lock opens only when the key position of the teeth coincides with the position of the plates.

Features replace cylinder locks metal doors

cylinder engine type is the most convenient in terms of replacement, change is enough to grub, and the basic mechanism remains the same.

In addition, the cylinder lock is reliable, because the elements of the ciphering, filling his striker, not amenable to dissection pick.

There are several options for addressing the failure in the cylinder lock.If you broke down the front metal door handle, then only need to change the handle.If

has broken or lost key, change the lock cylinder.

To change the cylinder, it is possible to take these actions:

• Remove the retaining screw, located on the end;
• From the room to insert into the hole and completely close the key lock;
• then slightly turn the key, and use it to pull the cylinder.If the key is not present, you can use the drill bit;
• Now you need to buy a new cylinder, similar in size.Of particular importance is
• distance from the dog to the outer edge of the larvae;
• new cylinder is inserted from the inside, whereupon the locking screw is fixed again.

In some cases, enough to replace only the larva.

If the locking mechanism is worn or damaged, it is necessary to change all of the locking body.

Video:

To do this:

• Fully open the lock;
• Remove the cylinder-larva in the same manner as described above;
• Remove the door handles, armored cover and valve;
• Remove all end screws (usually 4 pieces);
• Pull mechanism.To install a new front locking action is carried out in reverse order.

work should be carried out slowly and with concentration.In a hurry or carelessness can damage not only the larvae but also the entire mechanism of the locking system.

And then to repair it is necessary to spend a lot more time and effort.

Features replacing lever locks into the metal door

lever locks are among the most reliable on the level of security mechanism.

Experts believe that the hack lever system is very difficult, almost impossible, subject to a large number of plates with special teeth.

But there are drawbacks.For example, the key that opens the plate system is large, it is not always convenient.

Video:

Besides lever keyhole metal door equipped with a very large hole, breathable and sounds.

Repair levers, too, is fraught with difficulties.First of all, because even with minor malfunctions need to change the entire mechanism completely.

locking elements work in conjunction with a full plate, so the partial renovation of the castle can be no question.

solution to this problem are trying to find foreign manufacturers.

already appeared on the market lever locks, the mechanism of which can transcode at key replacement.

While domestic lever locks transcoding can not be, and in the event of key loss require complete replacement mechanism.

avoid this complicated procedure can only be the case if a defect is negligible, for example, the handle broke off the front metal door.

To remedy the situation, the handle needs to be replaced, and you can continue to use the lock.

Steps for installing a new lever locks into the metal door

Before you install a new lock it is necessary to dismantle the old.

To do this:

• Open the metal door and then to the end of the opening lever lock, ie girders must be pushed as much as possible;
• Remove the key from the keyhole;
• Disassemble door handles, armored cover and latch;
• remove the screw in the end part of the locking system;
• gradually extract the entire mechanism.For convenience, the lock bar to hook under the end face;
• buy a new lock lever and install, complete all the steps in reverse order.For best operation experts recommend to choose a lock of the same design or even from the same manufacturer.

replacement for lever latch metal door is not difficult, but it takes time and requires diligence.

Video:

Features replacement disk lock metal door

Disc locking systems have a high degree of protection not only against burglary by using the master key, but also by the power of hacking via drilling.

In addition, disc locks less clogged with dust, protected against the ingress of moisture, not afraid of low temperatures and have a high resource efficiency.

Replacement lock disk is not difficult, especially if the design is made overseas manufacturer.

problem of domestic locking disc-type systems is that their repair is not always appropriate.

Therefore, when a problem occurs in the domestic lock, it is recommended to replace it with a new lock.

If the disc lock is made by foreign manufacturers, when it makes sense to break it to find the cause and fix it.

It is possible that for good performance disk lock will be sufficient to replace it with the larva.

If the disk will not open the lock, it is possible that the reason for the lack of lubrication in the inner mechanism.

If the grease does not help, then it should be removed for diagnosis.To do this, unscrew the socket screw, then remove with a key lock invoice.

Then unscrew a further 2 screws that secure the drive, and extract it.

After buying a new drive of the same size, it is set in the castle, making all the steps in reverse order.

As practice shows, to avoid problems with shut-off systems and at the same time to ensure protection of property is possible, if not to save on the purchase of high-quality machinery.

quality lock does not guarantee complete absence of breakdowns, but make them rare and easily solve the phenomenon.