How do I maintain my Fichet 787 or F3D cylinder?

To maintain a Fichet 787 (or F3D) lock cylinder, it's important to follow a few key steps to ensure it works properly and lasts longer. Here are the tips to follow:

1. Regular lubrication

Recommended products: Use specific lock lubricants, such as Teflon-based or graphite powder lubricants. Avoid oil- or silicone-based lubricants, as they can attract dust and damage the mechanism.

Application: Apply a small amount of lubricant to the lock by inserting the tip of the spray or bottle into the key hole, then turn the key several times to distribute the lubricant evenly throughout the cylinder. This will reduce friction and prevent premature wear.

2. Cleaning

Prevent the build-up of dust and dirt: If you notice any blockages or difficulty in turning the key, you can try cleaning the cylinder. Use compressed air (available from specialist shops) to blow away any dust and dirt that has accumulated in the lock.

Beware of damp: If your cylinder is exposed to damp conditions, such as outdoors, be sure to dry it thoroughly if water enters the mechanism.

3. Key inspection

Check the condition of your keys: Worn or damaged keys can prevent the cylinder from working properly. If a key is bent or shows signs of severe wear, it should be replaced or rekeyed. A damaged key can also damage the cylinder pins.

4. Preventive maintenance

Regular turning: Even if you don't use the lock very often, it's a good idea to turn the key at regular intervals to prevent the mechanisms from seizing up or jamming over time.

Frost protection: If you are in a cold region, protect your Fichet cylinder from frost. Moisture combined with cold can damage the mechanism. Use an anti-freeze spray specially designed for locks if necessary.

5. Check internal components

If your lock shows signs of malfunction (key difficult to turn, lock jamming), it may be necessary to call in a professional locksmith to inspect and possibly replace the pins or other internal components of the cylinder.

6. Protection against attempted break-ins

Fichet 787 and F3D cylinders are high security models, but it is always a good idea to ensure that the cylinder is not exposed to attempted break-ins. Use a cylinder protector if necessary to make it difficult for burglars to gain access.

Summary of steps :

Lubricate with a suitable product.

Clean regularly (blower, compressed air).

Inspect keys for wear.

Turn the key regularly.

Protect against damp and frost.

If necessary, consult a professional for in-depth maintenance.

By following these recommendations, you will ensure the longest possible life for your Fichet 787 or F3D cylinder while maintaining effective security.