How to disassemble the fish tank submersible pump
The fish tank submersible pump is an indispensable piece of equipment in the aquarium, responsible for maintaining water circulation and oxygen supply. However, periodic cleaning or maintenance may require disassembly of the submersible pump. This article will introduce in detail the disassembly steps, precautions and FAQs of the fish tank submersible pump to help you complete the operation easily.
1. Preparations before disassembly

Before disassembling the fish tank submersible pump, the following preparations need to be made:
| steps | Operating Instructions |
|---|---|
| 1. Power outage | Make sure the submersible pump is completely powered off to avoid the risk of electric shock. |
| 2. Drainage | Lower the water level in the fish tank below the submersible pump to prevent water from overflowing. |
| 3. Tool preparation | Prepare screwdrivers, soft cloth, cleaning brush and other tools. |
| 4. Record structure | Take photos or record the original structure of the submersible pump to facilitate subsequent assembly. |
2. Disassembly steps
The following is the detailed disassembly process of the fish tank submersible pump:
| steps | Operating Instructions |
|---|---|
| 1. Detach the power cord | Unplug the power cord gently to avoid damaging the interface with excessive force. |
| 2. Remove the casing | Use a screwdriver to unscrew the housing fixing screws and carefully remove the housing. |
| 3. Take out the impeller | Turn the impeller counterclockwise and remove it from the pump body. |
| 4. Clean the interior | Use a soft cloth and cleaning brush to clean dirt and scale from the pump body. |
| 5. Check parts | Check whether seals, bearings and other parts are worn or aged. |
3. Precautions
When disassembling the fish tank submersible pump, please pay attention to the following matters:
| Things to note | Description |
|---|---|
| Avoid violent disassembly | Excessive force may cause damage to parts. |
| Waterproof treatment | Make sure the motor part does not come into contact with water to avoid short circuit. |
| Parts storage | The disassembled small parts should be stored properly to avoid loss. |
| Regular maintenance | It is recommended to clean the submersible pump every 3 months to extend its service life. |
4. Frequently Asked Questions
The following are frequently asked questions and answers about fish tank submersible pump disassembly:
| question | Answer |
|---|---|
| 1. The submersible pump cannot start | It may be that the impeller is stuck or the motor is faulty and needs to be disassembled and inspected. |
| 2. Water leakage after disassembly | Check whether the sealing ring is installed properly or needs to be replaced. |
| 3. Excessive noise | It may be that the bearings are worn or the impeller is unbalanced and parts need to be replaced. |
| 4. The power cord is damaged | It is recommended to contact the manufacturer for replacement and do not repair by yourself. |
5. Summary
Disassembling a fish tank submersible pump is a job that requires care and patience. With the steps and precautions in this article, you can easily disassemble and clean your submersible pump. Regular maintenance not only extends the life of your equipment, but also ensures healthy water quality in your fish tank. If you encounter difficulties during operation, it is recommended to consult a professional or contact the manufacturer’s after-sales service.
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