Replacement lock in the metal door with his hands

Choosing the metal door for your home, you should pay particular attention to strength, durability and resistance to the different nature of the mechanical loads. Front metal door is operated most often, so each element must be of a high quality and reliability.

Castle entrance metal doors – this is the element which is exposed to the highest loads and as a result most quickly breaks down. To ignore the problem in the castle is a dangerous occupation, because of integrity and excellent work of this element depends on protecting your home from the intrusion of uninvited persons.

Buying a lock on the front metal door is better not to save. The cheapest product is not only unable to provide decent protection, but also requires fairly frequent repair.

Expensive and high-quality mechanism of course also does not guarantee trouble-free operation, only in this case repair it will not be as frequent and complex as with a cheap lock. The owner of the house, without the involvement of any outside force, his hands will be able to repair or change the shut-off device.

When you need to change the lock ↑

It is not always possible to understand that the shutter needs repair. It would seem that visual confirmation there is no damage and no repair is not necessary, but suddenly, the castle suddenly comes into disrepair. Signs that may signal that the lock of the metal door in need of repair are:

• the purchase and installation of new door leaf. As a rule, the door to the shop is sold without a locking mechanism. It needs to be selected separately. You can use the services of specialists who have no problems, very quickly and efficiently pick up and set the lock. However wanting to save cash, it is better to study the intricacies of this work and conduct it on their own;
• lost the keys. There is no such person who never lost the house keys. Even if a duplicate exists, there is always a high probability that the found key can be exploited. So the best option to fix this trouble is to change the lock;
  
• minor damage of the locking mechanism. Even in the best, expensive and high quality lock with time comes wear and functional elements. They can be replaced individually. But you should always tailor material benefit from the repair of one part and replacing the entire lock. There are times when installing a new locking mechanism is easier and cheaper than repair old;
• replacement of the lock of the metal door, which does not meet the high reliability. Unfortunately, not always the first time, it turns out to choose and install a truly reliable and durable lock on the door. During operation, begin to show defects that interfere with the normal operation of the mechanism. Such a closure device should change on a more complete and reliable model;
• the consequences of hacking. The installation of a new lock is a must if your apartment or house has been infiltrated by criminals.
• buying a new home or apartment. We can not be sure that handing you the keys to the house, his old owners did not keep a duplicate. The first thing to do, having entered into a new home is change the locks.

If at least one of these reasons is the place to be, then replace the lock on the metal entrance doors should be held as soon as possible.

Types of door locks ↑

The process of installing a new lock depends on the type of locking mechanism. Distinguish between rim and mortise mechanisms. Paintings on metal doors rim locks are not quite appropriate. The classic version reliable, sturdy lock for metal doors is the mortise mechanism. It is also worth noting a number of locking devices which are quite often used for entrance doors:

• lever mechanism, proven and proven as a reliable and durable lock. The principle of operation is based on the presence of certain metal plates of the levers. The more of them in the mechanism, the harder it is to crack;
• cylinder mechanism the larva is a cylindrical shape with a certain system of springs and pins. This is a popular type of lock. It is often used as a supplementary locking device at metal entrance doors.

In some cases, using a few mechanisms:

• disk. To open this lock you need a special key with a semicircular shape with a series of notches along one edge;
• cross the lock can be opened only with a key shaped Phillips screwdriver;
• for the latch mechanism requires a long flat key with notches.

How to choose a new lock ↑

In order to purchase a new, suitable in all respects, a quality and durable lock, it is necessary to consider some nuances:

• the thickness of the door leaf;
• the gap between frame and door;
• the exact dimensions of the old locking mechanism;
• matching holes in the door leaf under the crossbar and the size of the pins in the new lock. The parameters must match exactly to the millimeter, otherwise the castle will fall into the right place or will hang.

Replacement cylinder lock ↑

To quickly and easily change cylinder lock of the metal door, you need to understand how it works. In the core of cylindrical shape arranged rows of pins that are turning the key to translate them into the desired grooves. For everyone who decided to replace the lock cylinder is important to know its elements:

• the larva;
• protective plate;
• door handle.

The biggest advantage that really attracts consumers is the possibility of replacing the lock using only one element of the locking mechanism. No need to dismantle the entire castle, it is enough to replace only the core. This significantly facilitates and accelerates the process of replacing the old lock on the new.

In order to repair was fast you should see the existing ways to replace the larvae and to choose the most acceptable. There are several options:

• end;
• through the liner;
• inside blade.

To start, loosen the screws located on the outside of the end metal doors. Insert the key from inside the house, and gently scrolling it, pull the larva out of the castle. Prepare a new core that will match all the parameters with the old part.

Insert a new core into the fabric on the inside. Secure the core with a special bolt from the end of a metal door. Check the quality of work, several times turning the key in the lock.

In the case when the replacement of locks in metal doors requires the reinstallation of the whole mechanism, the sequence of actions as follows:

1. Turn the key in the lock on state «open».
2. Remove the retaining bolt and remove the core of the door leaf.
3. Remove the door handle, protective plate and the latch, if it is.
4. Remove the screws from the end of the door leaf, which records the lock.
5. Gently podawa butt bar, remove the mechanism.
6. The process of installing a new lock be carried out in reverse order. The best option would be a new mechanism of the same manufacturer, and the front door.

Replacement lock lever ↑

The technological process of replacement of the locking mechanism of this type has its own specific features. For example, if there is a problem with the key, you will have to change the whole system, since not all castles have a function of conversion. It should be noted that to replace your locks lever type is difficult and time consuming.

The process of replacing lever mechanism must be performed in the following sequence:

1. Open the door and remove the key from the core.
2. Remove all fasteners.
3. Remove the locking mechanism from the door leaf.
4. Install a new lever lock in the reverse order of dismantling.

Replacement lock with sliding crossbars ↑

To change the lock of this type on the input metal doors a bit more complicated. It is used mainly in modern models of the input metal doors. Lock with sliding bolts provides the highest level of security and protection against break-ins. The principle of its work lies in the fact that the door is fixed not only the two side bolts, but elements above and below. To replace this type of lock the door have removed from loops and to disassemble the canvas. It is very important all work is done carefully and competently, so as not to violate the interior design.

Replacement of locking device disk type ↑

A feature of this type is that inside the core is a number of drives, not cuts. Form cutouts on these items must match exactly with the slots in the keys. Typically, keys for disk locks have a semicircular shape.

If you need to change the locking mechanism of this type is in the metal doors, then you should know that in case of defects of the disc mechanism is more practical and more correct to change the lock completely, not just the core.

Conclusion ↑

To change the lock on the metal entrance doors is quite simple. A little patience, care and succeed in the best possible way. However, if the confidence is not, then replace the lock it is necessary to trust experts.

If your door was manufactured in China, the process of replacing a lock may be slightly different. Details on how to change the lock for metal doors made in China, find out in the next video

• How to install a lock on a metal door
• As their hands to replace the striker in the door lock.
• Which lock to choose for the front door