Advice 1: How to remove the crown on the watch

Sometimes you can find old watches that are not. In this case there is a desire to disassemble and repair. This process requires a painstaking and care, and the greatest difficulty is experienced when removing the head.
How to remove the crown on the watch
Prepare some small boxes, for example, matchboxes. They need to add a separate watch mechanisms. It is necessary to rank them in order not to get confused what and what went on. Sit back at the table. Install a table lamp. Before him lay a white sheet of paper. Should all operations on analysis of hours to spend on it. It can be used not only to find a fallen item, but also acts as a light reflector to increase the lighting.
Remove the bracelet, which will only interfere with the work. Take a screwdriver with a thick blade, strong tweezers or a knife and open the tool case. If it is made with thread, it is necessary to carefully remove clogged dirt and Unscrew threaded ring. Remove from the case any loose metal ring or plastic insert. At this stage, it is desirable to photograph a design, so that later it was easier to collect it back. Examine the mechanism.
Turn over the watch glass and put it down on a sheet of paper. In order for the mechanism to get out of the housing you need to remove the winding lever. Not worth it to try to Unscrew. Look for the clock mechanism the small pin in the middle. It is usually located near the hole, which includes the winding shaft. With the help of forceps or conical screwdriver to push the pin and pull the crown to the side.
Remove the clock mechanism from the housing, and then immediately replace the crown with the lever. To do this, take carefully watch in your hand so not to damage arrows, click on the pin and insert the head. Some models have a special screw instead of a pin, which rotates half a turn to get the crown.

Advice 2: How to disassemble a wrist watch

Often the reason for stopping the mechanical wristwatch is the contamination mechanism, the penetration into the body moisture. It is enough to disassemble the watch, clean and grease. That's only required to know exactly how this is done practically.
How to disassemble a wrist watch
You will need
  • Tweezers, small screwdriver, sharp stick
Remove the back cover. To do this, pry it with a sharp knife. Some caps can work loose. For unscrewing the caps insert the legs of the little tweezers into the slots of the turntable, and rotate the ring counterclockwise. When the lid is opened, as a rule, immediately are visible malfunctions such as a broken spring and loose screws.
Before removing the movement from the case, pull the mainspring. To do this, pull the crown to the dog in an extreme position and hold with tweezers, then turn the crown with your fingers.
Disconnect the winding shaft, which will set it to the position of the hand position. Loosen the screw of the transfer lever. Remove the mechanism from the housing and insert the wind-up shaft.
Check free spinning the Central wheel and not to interfere it with the surrounding parts. Check up reliability of fastening of the spiral balance and the drum.
Now you have to remove the hands and dial. First unplug the second hand, then the minute (this should be done with the help of forceps). Remove the dial with the hour hand. Inspect switch mechanism to verify the grip of the wheels, powersaw them in forward and reverse directions. Check the correct fixing of the transfer and winding levers.
Disconnect the balance bridge with the balance node. To do this, two rotations to Unscrew the screw column of the spiral and separate the node balance of the bridge. Remove the balance mechanism, it should not hang at the end of the spiral.
When fully deflated clockwork spring remove the anchor bridge and the anchor.
Disconnect from the mechanism Central, intermediate, and second escape wheel. Examine the teeth, check the position of the wheels and the adhesion between the wheels and corresponding gears. Disconnect the drum, open it and check the status of the mainspring.
Rinse the parts of the clock mechanism in gasoline, plugging it in a small transparent container so that the fuel level does not exceed 2 cm. First rinse large items and then smaller. Heavily soiled grooves clean pointed stick. After washing the parts dry with a jet of air from a rubber bulb. Take the items after cleaning is possible only with tweezers. After cleaning, assemble the watch in reverse order.
Is the advice useful?