Advice 1: How to change the grub castle

Cylinder locks are the most common among locks. Their distinctive feature is the presence of larvae, which hides the lock mechanism. Yourself the keys of such locks are flat and small, that guarantees the comfort of wearing them. So, if such a lock will jam and refuse to function normally, it is easy to change without removing the whole castle, and only by changing the cylinders. However and keys will need new.
Larvae in all cylinder locks, the standard
Instruction
1
Replacement larvae in the castle begins with her choice. All larvae are standard and will easily fit to any cylinder lock. So there are plenty to choose. As a rule, to each door lock cylinders comes with 6 keys.
2
Now you need to remove the old worthless maggot. It is very simple. First, insert the key into the keyhole and turn to the door was open. Leave the key in the lock, it is still useful. Then remove the screws that secure the outer plate of the lock. This plate is located on the rear face of the door and she closes the lock. The next step – Unscrew the screw at the center of the tongue and lock, turn the lock key degrees for 40 to a position in which the striker freely released from the bed of the castle. Remove the larva.
3
If there is no key or mechanism in the larva completely broken, that this larva extract have to use a drill. Drill with diameter 10 mm, drill a core larvae. The idea is that after this procedure, the larva should be freely removed without using the key.
4
A new cylinder is inserted in the lock and all of its installation is similar to removing, but in reverse order. First, insert the key into the cylinder and rotate it in such a position that the flag of the larvae did not prevent her to pass freely in the bed of the castle. If you have correctly inserted, the bolt should be easily screwed in to attach the larva to the castle. It remains only to mount the end plate.

Advice 2: How to change the larva in the door lock.

If the door lock was not working properly, it is not necessary to change it entirely. Quite possibly worn in the larva. In this case, only need to replace it, and the lock will work again like new.
How to change the larva in the door lock.
Instruction
1
Make sure that the cylinders do need to be replaced. Perhaps you only need to lubricate. To do this, take the key, dip it in engine oil, insert it in the lock, and scroll a few times. If he began to rotate smoothly, so the problem is resolved.
2
If the lubrication did not help, the larva will have to be replaced.Have mortise lock and remove end plate middle screw located parallel to the cylinders. Insert the key and rotate it into a position in which the mechanism can be removed. Remove it. Screw save.
3
Slip the lock will have to be removed from the door. Having done this, Unscrew the two screws that secure the striker to the lock body and remove it. These screws will also save.
4
Removed a larva take to the hardware store, putting in a door attendant who will be on duty while it is open. If not, do this: take a picture of the mechanism next to a ruler, and then install it in place. If the lock mortise, screw the Central screw, and if the invoice that you install it on the door. To the store take phone or camera with a photo of the larvae, or a printout of this picture.
5
Ask the seller to pick up instead of liczniku, a verified manufacturer. Be sure to ask what material is made the mechanism. If he silumin, give up buying and go to another store.
6
By purchasing and bringing home the larva, remove the old if it is still in the castle. If mortise lock, turn the key to the position where to insert the mechanism into the hole, insert it there, and then fix the Central screw in the end plate. To overhead lock screw larva with two screws, and then install it on the door.
7
Make sure that the lock works properly without closing the door. Then close and repeatedly lock and unlock it. Now the lock can be used.New larva has a long handle it carefully. Do not force when inserting, removing and turning the key. Regularly lubricate the mechanism in the manner described in step 1. Never lubricate the lock in other ways (for example, by pouring oil directly into the well).
Note
Never lock the door, making sure to clear the mechanism.

Advice 3: How to open larva in the door

To ensure the security of the home often use cylinder locks which can be opened only with a special key. However, a small key is easily lost. If that happens, open the lock using improvised means.
How to open larva in the door
You will need
  • - hammer
  • - pliers,
  • - a flathead screwdriver.
Instruction
1
Take the hammer. Using the pointed side of the tool, apply several blows to the lock cylinder. "Larvae" are made of brass. It is a soft metal, which can not withstand strong mechanical impact, therefore, under the impact of the hammer it will burst.
2
Using pliers, remove the lock piece of the cylinder that broke off from the impact hammer.
3
In the resulting hole insert a flat-bladed screwdriver.
4
Use a screwdriver as a lever in the direction of finger movement.
5
Move the mechanism, which is located at the top of the hole and open the lock.
6
If the lock could not open, contact the experts. Their Arsenal is much more than the usual locksmith set. In addition, if you live on the upper floors, your apartment will be able to open without breaking the door, once inside through a window or balcony. In any case, the experts will be able to identify the features of the castle and determine the easiest way to open it, as you can only "remove" all items, before they reached the main closing element.
7
If the key is still there, but the door or the lock can not be, the reason may be misalignment of the door leaf, breaking directly larvae, etc. In this case it is necessary to understand exactly what happened, only then you should take steps to door opening.
8
Broken lock will have to cut or remove - depending on its type.
9
If you can't open a door that has warped, you call on the help of neighbors, with whom you will be able to lift the door leaf.
Note
Use this method of opening locks only if you want to open the door of your own home or garden. Do not resort to such actions if you do not know how to carefully handle the tool, because you can cause to the lock or door irreparable damage, which would entail the need for costly repairs.
Useful advice
Calling members of special service, you need to remember that you will have to show proof that you actually live in the apartment or house, the door you want to open. If you need to open the lock in the front door of the office room, you need to invite the administrator of this institution.

Advice 4: How to change lock cylinder ignition

Sometimes the motorists situations arise when poorly placed or poorly turns the key switch ignition. In this case, you can try to replace a striker of his castle.
How to change lock cylinder ignition
You will need
  • - the larva is supplied with new keys;
  • - Phillips screwdriver;
  • - thin clock screwdriver;
  • - thin drill bit;
  • - chisel;
  • - hammer;
  • - pliers.
Instruction
1
Disconnect terminal on the negative wire from the battery. Remove the screws connecting the steering column covers. Two of them are near the helm, and two near the instrument panel.
2
Unscrew the screws attaching lower and upper steering column shroud. Remove the covers. Access lock switch ignition open. In principle, the larva of the castle you can get at this stage. To do this, pull out the side pin that holds it in the lock. You can do fine watch with a screwdriver while tapping it with a small hammer. If the pin is not pulled out, try to carefully drill out the larva with a thin drill.
3
If you decide to remove the lock ignition before you change the cylinders, to do this, first loosen the bolts securing the switch to the ignition. This must be done with a hammer and chisel, as the heads they cut off. Slightly loosen them, then Unscrew with pliers. With the steering column remove the bracket and lock the ignition, disconnect the electrical connector.
4
Remove the screw attaching the relay to the ignition, take it out from under the panel and disconnect the connector. Disconnect "a mass" wire of the relay. Phillips screwdriver loosen the screw, press the latch, remove the cover and the contact group. So you took out the switch ignition.
5
Remove the striker from the lock switch of the ignition as described in paragraph 2. Produce its replacement. Check the operation of the lock with a new striker by turning the key in the ignition. Set the switch on the ignition, making all steps in reverse order. Reinstall the steering column. Do not forget to connect the terminal to the battery. Check the operation of the switch of ignition and other electrical equipment of the car.
Useful advice
Observe safety precautions when working with electrical equipment of the vehicle. Be sure to unplug the negative cable from the battery before performing any actions with this equipment. Do not touch the elements of the ignition system with the engine running.

Advice 5: How to drill out the grub

If you lost the key to the lock, and open it urgently needs, try to drill out the grub. If you have a normal domestic or Chinese castle, for this you will need a drill and screwdriver.
How to drill out the grub
You will need
  • - drill;
  • - drill with a diameter of 3-5 mm;
  • - screwdriver;
  • - wire;
  • hook.
Instruction
1
If you have a mortise lock with cross cylinder mechanism, take a drill with a drill 3-5 mm and make a hole just above the keyhole, then insert into the drilled hole a screwdriver, pry up the stopper and move the hook bolt.
2
In order to drill a larva of the lock cylinder with pin tumbler mechanism, aim the drill bit drills into the center of the cylinder (the rotation core), then drill through. If the castle no armor, then the process goes smoothly. To open the mechanism, slide inside the keyhole and turn the wire. If the lock does not open, drill out another hole in the top of the keyhole, in this case, the lock can be opened is a simple flat head screwdriver.
3
If the castle is protected by bronenakladki, a conventional drill is likely to break. Drill the larva of the castle is possible only with the help of special carbide drills, which will cost you dearly. Evaluate your capabilities, perhaps it would be cheaper to call the master.
4
To drill slip lever lock, look where the strut to the tip of the bolt (usually a little above the center of the keyhole). Try to get to this place, then drill out the rack and hook open the lock through a keyhole. You can also use a similar key or the blank key. Note that this method is suitable only for a cheap cylinder lock without additional protection.
5
To better understand where to drill, look at the key. The teeth and recesses of different diameters that you see on it, intended for metal 'secrets' inside of the castle, which, in turn, are violated by springs. Most of these springs are located along the axis of the larva at the bottom, try to get a drill in it's place and then "secrets" can turn even a hairpin or wire.
6
To drill a larva of the lock of ignition, use drill bits with a titanium or cobalt coating, a simple drill bit will blunt and even break. Start with a small diameter drill and gradually increase the hole until the larva cannot freely get.
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