Dismantling the toilet cistern: how to dismantle and remove the old cistern if the bolts are rusted

When problems occur with the toilet cistern, it is often necessary to repair individual components or completely change the device. Read about how to disassemble the container for these purposes in our material.

Sequence of actions for dismantling the drain tank

The device is dismantled in a specific sequence. Consider modern models.

The first step is to detach the tank from the toilet. Note that the connection of the button head can vary in shape and thread (internal, external).

Operating procedure:

• close the water supply tap (it is located on the hard water supply pipe);
• disconnect the flexible hose from the tank;
• by pressing the button, we empty the tank, hold the element in this position;
• unscrew the head of the release button (proceed carefully, counterclockwise) and remove the container lid;
• remove the remaining liquid inside the device with a rag or sponge;
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• using a screwdriver from the inside and a wrench (or using pliers) - from the outside, unscrew the nuts;
• gently lift the drive up to separate it from the shelf. Here, you may have to apply effort - in some cases, the cuff sticks.

Attention! The standard fixing on a special protruding shelf is bolts or studs, up to 7 mm in diameter. Bolts can be plastic or metal (bronze, brass, steel), with double-sided thread. As a rule, fasteners are made through 2 holes (less often 3 are used).

Above, a single configuration was considered. Removing the cover, equipped with two buttons, has several features:

• when the container is empty, press the key that lowers the minimum volume (see. Photo);
• the lower part of the inner wall of the button contains a groove, using a screwdriver, press the lock through this opening (we act carefully);
• sequentially remove the large key from the lid, then the small one;
• remove the screw under the buttons holding the structure.

Reference! There are modifications where you first unscrew the decorative piece (nickel-plated washer) and turn the lid 90º, perpendicular to the tank. Then the fixing brackets are squeezed out (inside the head).

We transfer the device to the place of further work.

The next step is to remove the drain fittings. The component is manufactured in various designs, but in all cases the dismantling scheme does not change:

• remove the seal from the nut fixing the valve;
• unscrew the nut;
• we take out the drain system from the tank.

Reference! The filling mechanism (ensuring the filling of the tank with water) is disassembled in an identical order. Fasteners can have different shapes (pentagonal, round), here it is important to choose the right tool.

Outdated models have differences in the disassembly process:

• to remove the upper part, remove the handle on the drain armature and unscrew the nut;
• to remove the drain plug, unscrew the screws that secure it to the bottom of the tank;
• usually the overflow pipe has a separate fixation (plastic nut), use a wrench.

Reference! In some instances, the upper part is not fixed to the body and can be easily removed.

How to dismantle and remove an old tank if the bolts are rusted

Steel clips do not last long as they corrode. This mounting option is found in outdated designs.

Ways to solve the problem:

• thoroughly moisten the bolt and nut with kerosene (an additional option - WD-40 liquid), leave the parts for 10-15 minutes, until the rusty deposits are soaked and no longer interfere with the work, if necessary, repeat the procedure several times;
• if the processing does not help or there is no time to wait for the desired result, we simply cut off the fasteners using a grinder or a hacksaw for metal.

Dismantling the tank, if there are no corroded elements, is not a problem and will not take much time. Manipulations are thought out to the smallest detail, and even a beginner will cope with this procedure. Be sure to follow the procedure to avoid accidental leaks. After all, this is one of the main plumbing devices, and its failure creates serious problems.