Manuals

Here you will find all the instructions for our products. Model and technical changes as well as errors excepted. All contents are protected by copyright. Reprints and publications, including excerpts, are only permitted with express permission.

General

Operating manual

If required due to the nature of the product, an operating manual is included with every product that leaves our company. Operating instructions from third-party manufacturers are also included if third-party products were installed in the product by Briefkasten Manufaktur. The operating manual(s) are supplied with the order; if you need them again, please contact us with your order number.

Operating instructions General:

 
 

Operating instructions Collection:

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Nameplate lettering template

Templates for our name badges in PDF format. You can label them digitally, print them out yourself and use them directly. We recommend printing on thicker paper or transparent film.

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Changing the door lock

Lever lock for BASIC/DESIGNER/DIVISION/SCHILLER/
BRECHT/KÄSTNER/HESSE/FANNY

1. Carefully remove the clamp/nut from the lock on the back of the door (pull it out/push it out/turn it out).

2. Remove the lock including the bolt through the lock opening. This means that the cylinder is pulled out through the lock aperture from the front. In order for the lock lever to fit through the aperture, the cylinder must be turned halfway through.

3. Insert the new lock and insert the clamp or screw on the nut.

Push-key lock for GOETHE/BRENTANO

1. Carefully remove the 2 nuts from the lock on the inside of the letterbox (jaw wrench required).

2. Remove the lock.

3. Insert the new lock and screw the nuts back on.

4. [only GOETHE] If the door does not close or does not close properly, loosen the nuts on the lock plate and move it in the appropriate direction.

Lost your key?

Our keys are very robust and it is only possible to open the lock destructively with a lot of manual skill and suitable tools (twist drills in various sizes) without damaging the door. We therefore always recommend a local key service or reordering the keys (stating the key number).

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Care

At Briefkasten Manufaktur, only high-quality materials are selected and processed, which guarantee durability and timeless elegance. Please bear in mind, however, that noble materials in particular need to be cared for. Even normal environmental influences can cause soiling and even surface changes. Particularly in industrial conurbations or at sea, deposits in the form of flash rust can occur and the material can be attacked. Here, systems should be cleaned and maintained more frequently.

Stainless steel

One of the materials we use for our products is stainless steel. This steel is characterised by its resistance to water, water vapour, humidity, food acids and weak organic and inorganic acids when used and maintained as intended. After the letterbox has been installed, it should be cleaned for the first time to remove any dirt caused by storage, transport or construction or installation work. Protective layers of paper, foil or adhesive residues must be completely removed after assembly, as they can lead to corrosion. The letterbox should then be maintained approx. every 3 - 4 weeks. We recommend our stainless steel maintenance spray. Please note: The cleaners must not contain any hydrochloric acid, chlorides or hydrocarbons. Under no circumstances should steel wool, steel brushes or similar be used for cleaning stainless steel, as such aids damage the protective surface and enable the formation of extraneous rust through abrasion. Corrosion caused by flash rust is excluded from the warranty. Stainless steel surfaces must always be cleaned in the direction of the rust.

Aluminium

Oxydising or mechanically acting cleaning agents must not be used as they attack the anodised layer. Caution! Protect aluminium parts from cement, lime, plaster, etc.

Glass/Plexiglass

Acrylic glass (Plexiglas) must not come into contact with organic solvents such as thinners, alcohols, fuels, etc. Glass cleaners also usually contain alcohols. Glass cleaners also usually contain alcohols. For cleaning, use only clear water with a few drops of washing-up liquid and a soft sponge. Dust must never be wiped away dry.

Powder coatings

Water and small amounts of a mild cleaner can be used to clean the surface of the powder coating. If absolutely necessary, a small amount of turpentine substitute can also be used. Then rinse with water and a mild cleaner!

Painted surfaces

We recommend weekly cleaning and sealing with car wax at least four times a year for painted surfaces! For cleaning, use only clear water with a few drops of washing-up liquid and a soft sponge. Painted surfaces must also be dried and sealed with car polish. Caution: Do not use cleaning agents containing vinegar.

Lock and hinges

Please only maintain the cylinder lock with a special lock care spray. This way you can enjoy a functioning letterbox lock for a long time. It is best to clean and maintain letterbox hinges twice a year

You can find care and cleaning products in our care guide. 

Please note: The cleaners must not contain salts, chlorides or hydrocarbons. Under no circumstances should steel wool, steel brushes or similar be used for cleaning stainless steel, as such aids damage the protective surface and enable the formation of extraneous rust through abrasion. Corrosion caused by rust film is excluded from the warranty.

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