How to disassemble Xiaomi wireless vacuum cleaner: a step-by-step guide

Ownership of Xiaomi’s wireless technology often faces maintenance needs that go beyond simply cleaning a container. Many users wonder how to disassemble Xiaomi’s wireless vacuum cleaner when suction power drops or battery replacement is needed. Self-disassembly can be a cost-effective solution that allows you to extend the life of the device without going to a service center.

However, modern models such as the Mijia Vacuum Cleaner G10 or Handheld Vacuum Cleaner are designed to be tightly assembled using hidden mounts. Incorrect interference can damage plastic latches or impair the leakage of the filtration system. In this article, we will take a detailed look at the process of dismantling the main assemblies so that you can safely carry out maintenance.

Before you start taking action, you need to understand that any interference with the design of the device can affect the warranty. If your device is in warranty service, it is better to contact the official representatives of the brand. For all other cases when the warranty has expired or the situation requires immediate resolution, the instructions below will be an indispensable tool in restoring the functionality of your cleaning assistant.

⚠️ Warning: Before starting any work, be sure to disconnect the vacuum cleaner from the charger and make sure that the charge indicators are extinguished.

Tools and workplace preparation required

You can't disassemble the equipment properly. Attempting to open the case with a knife or a flat screwdriver often causes plastic chips and damage to the internal cables. You'll need a set of precision screwdrivers that includes cross (PH0, PH1) and flat slits. Particular attention should be paid to the presence of plastic blades or mediators, which are indispensable for opening latches without damaging the case.

The organization of the workspace is a critical step that many ignore. Inside the wireless models Xiaomi are many small screws of different lengths and configurations. Using a magnetic mat or sorter for screws will help to avoid the situation when after assembly there are unnecessary parts, it is also recommended to have tweezers with curved ends to extract small elements and a soft brush to remove dust from hard-to-reach places.

Remember to prepare a garbage collection container that can fall asleep when you open the cyclone block. Even if you cleaned the dust collector before disassembling, fine dust often gets clogged into the duct duct duct duct duct duct duct duct duct ducts. Having good lighting will allow you to see the condition of the contacts and the integrity of the wires, which is especially important when diagnosing electrical malfunctions.

  • πŸ› οΈ A set of precision screwdrivers (cross and flat)
  • πŸ”§ Plastic blades and mediators for opening the body
  • 🧲 Magnetic mat or organizer for screws
  • πŸ”¦ Lamp or lamp for additional lighting
  • 🧹 Soft antistatic brush and tweezers

β˜‘οΈ Preparation for disassembly

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Dismantling of external handle and controls

The disassembly process most often starts at the top of the device, where the handle and control unit are located. In the Xiaomi Mi Handheld series, this unit is attached to several screws that can be hidden under decorative stickers or rubber plugs. Carefully examine the surface of the handle: sometimes the screws hide under the brand logo or at the bottom of the handle adjacent to the main body.

After you twist the visible screws, don't rush to pull the parts in different directions. Plastic, especially after prolonged use, becomes more brittle, and sudden movements can break the plastic locks. Use a plastic blade to gently walk along the perimeter of the junction of the handle halves. The characteristic click when you open the latches indicates the correct action. Inside you will see the control board, which the wires from the switching trigger and the indicators fit.

Special attention should be paid to the plumes and contact groups when working with the handle. In wireless models, this is often where contacts are oxidized or wires are rubbed from constant vibration. If your goal is to repair the switch on or replace the battery, then at this stage you need to be as careful as possible so as not to damage the thin conductors leading to the motor.

⚠️ Attention: When you separate the handle halves, act slowly. Inside, there may be thin plumes connecting the start button to the main board, which can be easily broken when a sharp jerk is made.

Hidden screws.
Often, manufacturers hide a single screw under a rubber pad at the grip of their hand or under a specification sticker on the back of the device. Feel the surface with your finger or use an angled flashlight to find hidden fasteners.

Disassembly of the cyclone block and filtration system

The Cyclone Unit is the heart of any Xiaomi wireless vacuum cleaner, where the main separation of dust and air occurs. To access the internal components, it is often necessary to remove the external transparent bulb. In some models, it is fixed by a rotary mechanism, in others, by perimeter screws. When you remove the cyclone, you will have access to HEPA-filter and engine compartment.

Inside the cyclone block are small nets and partitions, which over time become clogged with fine dust, which reduces thrust critically, disassembling this part allows you to thoroughly wash all the elements with water (pre-disconnecting the electronics) and dry them.

If you're disassembling a replacement engine, it's through the cyclone bay that you get access to the engine mount. In models like the G9 or G10, the engine unit can be integrated into a common platform. Carefully disconnect the ducts and check the sealing gums for cracks. Breaching of the circuit is a common cause of loss of suction power.

ComponentType of attachmentTool.Frequency of cleaning
External flaskTurning lock/screwsHands/DriverOnce a week.
HEPA-filterInsert in the grooveNo tool.Every 1-2 months
Motor filterMesh casingTweezersEvery 3-6 months
Cyclone latticeScrews/LucksCross screwdriverSix months

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When washing filters, use only cold water without detergents. Dry the filters for at least 24 hours in a warm place, as moisture entering the engine is guaranteed to disable it.

Battery replacement and battery diagnostics

One of the most common reasons for resorting to disassembly is reduced battery life. In Xiaomi wireless vacuum cleaners, the battery is usually located in the handle or in the lower removable part. To replace it, you will need to completely dismantle the body, since the batteries are often packed in shrinkage and soldered to the contact group or connected through a connector.

When removing an old battery, pay attention to the labeling of the batteries. Most often, 18650 cells or special Li-Ion flat packages are used. The nominal voltage and capacity must strictly correspond to the original characteristics. Using cheap analogues without overheating protection can cause the device to ignite during charging.

The soldering process requires soldering iron and soldering skills. It is important not to overheat the battery terminals, as this can damage the internal structure of the cells. If your model uses a connector connection, just click the old connector and connect a new one. After assembly, be sure to check the device in different power modes to make sure that the power management system (BMS) works correctly.

  • πŸ”‹ Check the voltage at the terminals before installing a new battery
  • πŸ”₯ Use a soldering iron with temperature adjustment for safe soldering
  • πŸ›‘οΈ Make sure you have thermal shrinkage and insulation on new contacts
  • πŸ“‰ Compare the capacity of the new battery with the original specifications

πŸ’‘

Replacing the battery is the most efficient way to restore the operating time of an old vacuum cleaner, if the engine is in good working order.

Maintenance of the engine and turbine

The engine in Xiaomi wireless vacuum cleaners is a high-speed unit running at tens of thousands of revolutions per minute. Disassembly of the engine itself at home is not recommended, since balancing requires factory equipment. However, maintenance of the turbine compartment and removal of foreign objects is a complete task. Often the loss of power is caused by wound hair or threads on the turbine shaft.

To access the turbine, you need to remove the safety net and the impeller itself. Do this very carefully: the turbine blades can be made of brittle plastic or composite. When cleaning the shaft, use tweezers and scissors with thin ends. After removing the debris, check the ease of rotation of the shaft with your finger - it must rotate freely and silently. The presence of a backlash or creak indicates wear of the sliding bearings, which requires replacing the entire motor module.

It is also worth checking the condition of the graphite brushes (if you have them in your engine model) and the collector. The collector can be neatly removed with a blower or alcohol. The clean contact between the brushes and the collector ensures that the engine runs at high speeds. If after cleaning the engine continues to make extraneous noise or spark, it will probably require a replacement of the engine entirely.

⚠️ Warning: Never turn on the engine without a turbine or protective casing installed. Operating the engine at high speeds without (load) can lead to its destruction and injuries from flying parts.

πŸ“Š What most often causes your vacuum cleaner to break down?
Battery:Clogged filter:The engine burned:Plastic damaged

Assembly of the device and checking leakage

The final step is to get all the nodes back together correctly, and the challenge is to keep a single screw intact and to get all the wires and plumes laid properly. Make sure that the wires are not clamped in the case and are not in the rotational zone of the moving parts. The cable management inside Xiaomi compact devices is critical to the longevity of the repair.

When you connect the halves of the body, first snap all the clips around the perimeter, and only then twist the screws. This will ensure the correct positioning of the parts. Pay special attention to the sealing rubbers at the junction of the cyclone and the engine compartment - they must lie flat, without clamps. The violation of air tightness will cause some air to be sucked through the slots, bypassing the filter, and the dust will go to the engine.

Once fully assembled, test the vacuum cleaner at minimum power, then maximum power. Listen to the sound of the work: it should be smooth, without the whistle of air from the cracks or the turbine beating. Check the on and charge display button. If all systems are working properly, your wireless assistant is ready for effective cleaning again.

Can I wash? HEPA-water-block?
Most of the modern HEPA-Xiaomi vacuum cleaners are cleanable, but you need to be careful. Wash the filter with only clean water without pressure, dry for at least 24 hours. If the filter has a paper base or a damaged structure, you can not wash it β€” only change it.
Where to find original parts for Xiaomi?
Original batteries and motors can be found on AliExpress, eBay or in specialty home appliances stores. Look for the exact model number of the device, such as the Mijia Vacuum Cleaner G9, to ensure compatibility.
Why does Xiaomi vacuum cleaner discharge quickly after cleaning?
If after maintenance the operating time has not increased, the problem may be the degradation of the battery cells (loss of capacity) or malfunction of the BMS board. Also check if there is any debris inside the case blocking the airflow.
What tool is needed for screws in the handle?
Most often used screws with Torx slit (T6, T8) or cross PH0/PH1. In some models, screws with a triangular or Y-shaped slit can be found, so the presence of a universal set of bits will be an advantage.