Beatrice Lang
Electric pressure washers are a handy tool for cleaning everything from patios to cars, but they require regular maintenance to keep them running smoothly. While they need minimal routine maintenance, they do require occasional attention. This includes storing the washer in a dry place, cleaning the nozzles, flushing detergent, replacing filters and hoses, and keeping batteries charged. More intensive maintenance includes changing the gear oil, inspecting the motor vents and cooling fins, and checking for leaks. This guide will provide an overview of how to maintain an electric pressure washer to ensure it lasts for years to come.
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What You'll Learn
Store it dry and well-ventilated
Electric pressure washers are invaluable tools for cleaning a variety of surfaces, but they require proper maintenance to function effectively and last for years. One critical aspect of maintenance is storing the washer in a dry and well-ventilated environment. Here are some detailed instructions to achieve this:
Firstly, always ensure that your electric pressure washer is completely dry before storing it away. After each use, towel-dry the washer if it got wet during the cleaning process. Let any remaining water drain out of the hoses and the pump. It is important to remove as much water as possible, as water left inside can attract insects, cause mould growth, and produce bacteria.
Before storing the washer, it is recommended to run clean water through the system to flush out any soap or chemicals that may be left over from washing. This helps prevent the buildup of these substances inside the washer components. It is also crucial to never leave soap in the dispenser when storing the machine, as it can dry into crystals and cause pump damage.
Additionally, make sure to store your electric pressure washer in a well-ventilated area, away from the elements such as sun, rain, and snow. Keep it off the ground and away from moisture, as moisture can cause damage to the machine over time. If you live in a cold climate, consider using pump armour or antifreeze to protect the pump from freezing temperatures.
Another important step is to wind and neatly store the high-pressure hose on its designated storage hooks, usually located on the pressure washer handle. This helps keep the hose dry and organised. Similarly, collect and hang up the extension cord by winding it into a circle and placing it on a wall hook, ensuring it stays dry and is easily accessible.
Lastly, for long-term storage, especially during winter, consider storing your electric pressure washer indoors in a dry basement or shed. This will protect it from extreme weather conditions and potential damage. By following these steps, you can effectively maintain your electric pressure washer and ensure its longevity.
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Clean nozzles, detergent intake, and hoses
To maintain your electric pressure washer, it is important to clean the nozzles, detergent intake, and hoses. Here are some detailed steps to help you with the process:
Cleaning the Nozzles
- Ensure the nozzle is never plugged with debris, dirt, or any other substance.
- Keep the spray nozzle open while the unit is running. Closing it while running can lead to pressure buildup within the hose and cause damage.
- If you are using a gas pressure washer, ensure you have fresh gas and oil before starting.
- Check the spark plug for corrosion and replace it if necessary.
Cleaning the Detergent Intake
- Locate the detergent intake and clean it thoroughly with water.
- Ensure any residue or buildup is rinsed away, and the water running out is clear.
- Never leave soap in the dispenser when storing the machine, as it can dry into crystals and cause pump damage.
- After each use, run clean water through the system to flush out any soap or chemical residue.
Cleaning the Hoses
- Check the "O-rings" on the ends of your high-pressure hose for wear and tear and replace them if necessary.
- Drain any remaining water from the hoses and pump after each use.
- Store your high-pressure hose on its storage hooks, winding it neatly to keep it dry and organised.
- Lubricate hose connections as needed.
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Check for leaks and damaged parts
To maintain an electric pressure washer, it is important to check for leaks and damaged parts. This is because water leaks can lead to electrical malfunctions, corrosion, and damage to the motor over time.
To check for leaks, start by locating the source of the leak. Usually, it's from the connections or fittings. Check the connections between the hose, wand, and pressure washer. Tighten any loose connections and inspect for any damaged or worn-out seals. If the leak is due to worn-out seals, replace them. The O-rings, which are rubber seals that prevent leaks, can wear out over time and need to be replaced. Check the O-rings on the ends of your high-pressure hose for wear and tear and replace them if necessary.
If your power washer is leaking water directly from the pump, and there is no noticeable damage such as a crack on the pump, it is likely that the internal piston seals are worn or broken. In this case, remove the pump from its housing and open it to inspect the pistons and O-rings that seal the pistons inside. Replace any broken or worn O-rings and fit back any that are in good condition.
If the pump is noticeably cracked, it will need to be replaced. The thermal release valve, which keeps the water in the pump within a safe temperature range to prevent overheating, may also be the source of the leak. If its seal is compromised, it may continuously leak water and cause the washer to lose pressure. The thermal release valve is a fairly cheap component and can be easily replaced.
In some cases, a leaking electric pressure washer may be due to a faulty motor or corroded parts. If certain repairs and replacements have been done and the washer still does not work, check the fuse. If the fuse is blown, replace it with a new one and test the device again. If the pressure washer emits a burning smell, its internal parts may have been damaged, and a professional should be sought.
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Lubricate gaskets, pistons, and bearings
Lubrication is an important aspect of maintaining your electric pressure washer. Lubricating the gaskets, pistons, and bearings of your electric pressure washer is essential to keeping it in good working condition. Here are some detailed instructions to help you with this task:
First, it is crucial to use the correct lubricant. Always opt for a manufacturer-approved lubricant to ensure compatibility and avoid any potential damage. You can refer to your pressure washer's user manual for specific recommendations or consult a professional.
Next, locate the gaskets, pistons, and bearings. These components are typically found near the motor and pump assembly. The gaskets are used to create seals between different parts of the machine, while the pistons are vital for generating pressure, and the bearings facilitate smooth movement within the washer.
Before lubricating, ensure that the area is clean and free of any dirt, debris, or old lubricant residue. You can use a clean, dry cloth to wipe down the components gently. It is also advisable to inspect these parts for any signs of wear or damage. Look for cracks, leaks, or abnormal wear patterns, and replace the affected parts if necessary.
Once the area is clean and all components are in good condition, carefully apply the lubricant. Follow the manufacturer's instructions for the proper application method and amount. Lubricate all moving parts, including the gaskets, pistons, and bearings, ensuring that they are adequately coated.
Finally, reassemble the pressure washer, making sure that all parts are securely connected. After lubrication, it is a good idea to run the pressure washer for a few minutes to distribute the lubricant evenly and ensure that it is functioning optimally.
Remember to perform lubrication as part of your regular maintenance routine, following the manufacturer's recommended schedule. Proper lubrication will help extend the lifespan of your electric pressure washer and ensure its reliable performance.
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Winterise with antifreeze in cold climates
Electric pressure washers require winterization in cold climates to prevent damage from freezing temperatures. The process of winterizing an electric pressure washer involves draining all fluids and running antifreeze through the system.
Firstly, it is important to drain all fluids from the pressure washer. This includes water, soap, detergent, and fuel. Water left inside the machine can freeze, causing cracks and damage to o-rings, pumps, and seals. It can also attract insects, grow mould, and produce bacteria. To drain excess water, simply let it run out of the hoses and the pump. Alternatively, use compressed air to blow out any remaining water.
Next, if your machine has gas remaining in the tank, use a fuel stabilizer to prevent the gas from gumming up and causing a blockage in the lines. If you do not wish to use a fuel stabilizer, be sure to drain the fuel completely.
Finally, run antifreeze through the system to protect it from freezing and damage while in storage. Prepare a gallon with a 50/50 mix of antifreeze and water, or for colder climates, a 60/40 antifreeze and water mixture. Use a garden hose to connect to the machine and run the antifreeze through. Let the machine run for 2-3 minutes to ensure the antifreeze has flowed throughout the system.
Once the machine has been winterized, unplug it, coil up the hose, and store it in a warm, dry place, away from the elements.
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