Step-by-Step Guide: How to Drain Water from a Pressure Washer Pump

Draining water from a pressure washer pump is an important maintenance task that helps prolong the lifespan of the equipment and prevent damage. The pump is a crucial component of a pressure washer, responsible for building and maintaining the needed water pressure. However, if water is left inside the pump for extended periods, it can freeze, causing the pump to crack and rendering it unusable.

To avoid this potential damage, it’s essential to properly drain the water from the pump after each use, especially during the colder months. In this step-by-step guide, we will walk you through the process of draining the water from a pressure washer pump, ensuring its longevity and optimal performance.

Step 1: Shut off the Pressure Washer

The first step is to turn off the pressure washer and unplug it from the power source. This will prevent any accidental activation of the equipment during the draining process, ensuring your safety. It is crucial always to follow proper safety precautions when working with any machinery.

Step 2: Disconnect the Garden Hose

Next, it’s necessary to disconnect the garden hose from the pressure washer’s water inlet. This will allow you to access the water pump and remove any residual water more easily. Make sure to release any pressure in the hose by squeezing the trigger on the spray gun or wand before disconnecting it.

Step 3: Locate the Drain Valve

Locate the drain valve, typically positioned on the underside of the pump. It’s usually a small brass or plastic valve that can be turned to open or close the drain. This valve is designed specifically for draining water from the pump, so it’s essential to familiarize yourself with its location.

Step 4: Position a Container

Place a suitable container underneath the drain valve to catch the water. It’s important to choose a container large enough to hold all the water and prevent any spills or mess. This will help keep your workspace clean and avoid any potential water damage.

Step 5: Open the Drain Valve

Now, gently open the drain valve by turning it counterclockwise. This will allow the water to flow out of the pump and into the container. Be cautious and ensure the container is securely positioned to avoid any accidents or water damage.

Step 6: Allow the Water to Drain Completely

Allow the water to drain completely from the pump. Depending on the size and amount of water in the pump, this process may take a few minutes. It’s important not to rush this step, as ensuring all the water is removed will prevent any potential damage from frozen water.

Step 7: Close the Drain Valve

Once all the water has drained, close the drain valve by turning it clockwise. Make sure it is tightly closed to prevent any future leaks or water loss. Taking this extra step will help ensure the proper functioning of the pressure washer pump for the next use.

By following these simple yet crucial steps, you can effectively drain the water from a pressure washer pump, maintaining its longevity and maximizing its performance. Regular maintenance, such as draining the water after each use, will help prevent potential damage and prolong the life of your pressure washer.

What is a Pressure Washer Pump?

A pressure washer pump is a vital component of a pressure washer machine. It is responsible for pressurizing water and delivering it through the nozzle. The pump creates high pressure by using a piston or plunger mechanism to create a powerful water flow. This pressurized water is then used to clean various surfaces, including cars, driveways, decks, and more.

The pump is typically powered by a motor or an engine, which drives the piston or plunger to create the necessary pressure. There are three main types of pressure washer pumps: axial cam pumps, triplex pumps, and wobble pumps. Axial cam pumps are most commonly used for home or light-duty applications, while triplex pumps are more heavy-duty and suitable for commercial use. Wobble pumps are less common and are typically found in lower-end pressure washers.

Pressure washer pumps are designed to handle different flow rates and pressure levels. The flow rate, measured in gallons per minute (GPM), determines the amount of water that the pump can deliver. The pressure, measured in pounds per square inch (PSI), determines the force at which the water is delivered. These two factors together determine the cleaning power of the pressure washer.

Maintaining the pressure washer pump is essential for its longevity and performance. It is important to drain the water from the pump after each use to prevent freezing and corrosion. Regular inspection and cleaning of the pump’s filters and valves are also necessary to ensure optimal functioning. In case of any damage or malfunction, the pump may need to be repaired or replaced. Overall, a pressure washer pump is a critical component that enables powerful and efficient cleaning with a pressure washer machine.

Why is it Important to Drain Water from a Pressure Washer Pump?

Draining water from a pressure washer pump is an important maintenance task that should not be overlooked. There are several reasons why it is important to drain the water from the pump after each use.

1. Prevents freezing and damage

Water left in the pump can freeze during cold weather, causing the pump and other components to crack or burst. By draining the water, you can prevent this potential damage and prolong the lifespan of your pressure washer.

2. Avoids corrosion

Water contains minerals and impurities that can cause corrosion inside the pump if left to sit for a long time. Draining the water helps prevent these minerals from building up and clogging the pump or causing damage to the internal components.

3. Maintains performance

A pressure washer relies on a steady flow of water to function effectively. If the pump is filled with stagnant water, it can affect the pressure and flow rate, resulting in reduced cleaning power. Draining the water ensures that the pump is ready for optimal performance the next time you use it.

4. Prevents mold and mildew growth

Water left in the pump can create a damp environment that promotes the growth of mold and mildew. This not only affects the performance of the pressure washer but can also lead to unpleasant odors. Draining the water helps keep the pump clean and free from these potential issues.

In conclusion, draining the water from a pressure washer pump is essential for preventing damage, maintaining performance, avoiding corrosion, and preventing mold and mildew growth. By making it a regular part of your maintenance routine, you can ensure the longevity and effectiveness of your pressure washer.

Step 1: Gather the Necessary Tools

Before you can begin draining water from a pressure washer pump, it is important to gather all the necessary tools. Having the right tools on hand will make the process easier and more efficient.

To start, you will need a wrench or pliers to loosen and remove any connection fittings on the pump. A bucket or container will be needed to collect the drained water. It is also recommended to have a towel or rag handy to clean up any spills or drips.

In addition, you may need a screwdriver or Allen wrench to remove any access panels or covers that are preventing access to the pump. It is always a good idea to have a flashlight available to provide extra visibility in tight or dark spaces.

If you are unsure of the specific tools needed for your pressure washer model, consult the user manual or contact the manufacturer for guidance.

By gathering all the necessary tools before starting the process, you can ensure a smooth and efficient water drainage from your pressure washer pump.

Step 2: Turn Off the Pressure Washer

Before draining the water from the pressure washer pump, it is crucial to turn off the power and stop the machine from running. This step is essential for your safety and to prevent any damage to the pressure washer.

To turn off the pressure washer, locate the power switch or button. It is usually located near the handle or control panel. Flip the switch or press the button to shut off the power.

Once the pressure washer is turned off, verify that the engine has completely stopped running. This may take a few moments, as the engine may still be winding down after being turned off.

Next, disconnect the power cord from the electrical outlet to ensure that there is no chance of accidental startup while you are working on the pump.

Remember, safety should always be the top priority when working with pressure washers. Turning off the power is an essential step to prevent any accidents and ensure a smooth draining process.

Step 3: Locate the Drain Valve

Before you can drain the water from your pressure washer pump, you need to locate the drain valve. This valve is usually located at the bottom of the pump and is used to release the water that is trapped inside.

To find the drain valve, you may need to refer to the owner’s manual or check the manufacturer’s website for specific instructions. The location of the drain valve may vary depending on the make and model of your pressure washer pump.

Once you have located the drain valve, make sure the pressure washer is turned off and the engine is cool. This will prevent any accidents or injuries while working on the pump.

It’s important to note that the drain valve may be different depending on the type of pressure washer pump you have. Some models may have a simple twist or pull drain valve, while others may require the use of a screwdriver or wrench to open.

Take a moment to familiarize yourself with the type of drain valve your pressure washer pump has before proceeding to the next step. This will ensure that you can easily open and close the valve when needed.

Step 4: Connect a Hose to the Drain Valve

Once you have located the drain valve on your pressure washer pump, it’s time to connect a hose to it to drain the water. This hose will act as a conduit for the water to flow out of the pump.

To connect the hose, first, ensure that the pressure washer is turned off and the pump is cool. Then, find a hose that is long enough to reach a drain or an area where you can safely discharge the water.

Next, locate the drain valve on the pump. It is typically a small, threaded valve located at the bottom of the pump. Attach one end of the hose to the drain valve, ensuring a tight connection.

Before opening the drain valve, make sure the other end of the hose is positioned in a suitable location for water to flow out. This could be a bucket, a drain, or any other area where the water can safely be discharged without causing damage or flooding.

Once the hose is securely attached to the drain valve and positioned correctly, slowly open the drain valve to allow the water to flow out. Be prepared for a significant amount of water to be released, so ensure that you have a sufficient container or drainage area to handle it.

Once all the water has drained from the pump, you can close the drain valve and remove the hose. Ensure that the drain valve is tightened securely to prevent any water leakage.

Step 5: Open the Drain Valve

After you have disconnected the pressure washer from the power source, it is important to open the drain valve to release any remaining water from the pump. The drain valve is typically located at the base of the pump and can be identified by its small knob or lever.

Before opening the drain valve, make sure you have a container or bucket ready to catch the water that will be released. This will prevent water from spilling onto the ground and causing a mess. Additionally, wearing gloves is recommended to protect your hands from any hot or dirty water that may come out.

Once you are prepared, turn the knob or lever of the drain valve counterclockwise to open it. It is important to slowly open the valve to control the flow of water and prevent any sudden bursts. You will notice water starting to flow out of the valve and into the container or bucket.

Allow the water to drain completely from the pump. This may take a few minutes, depending on the size of the pump and the amount of water remaining. Once the water has stopped flowing, you can close the drain valve by turning the knob or lever clockwise.

By opening the drain valve, you have successfully removed all the water from the pressure washer pump. This will help prevent any potential damage or freezing that can occur when water is left inside the pump during periods of cold weather or when the pressure washer is not in use.

Step 6: Let the Water Drain Completely

After you have loosened the drain plug and positioned the pressure washer pump correctly, it’s time to let the water drain completely. This step is essential to ensure that there is no standing water left in the pump, which can cause damage and decrease the lifespan of the unit.

To let the water drain completely, you can either wait for it to naturally flow out of the pump or assist the process by tilting the pressure washer slightly. Tilting the unit can help gravity pull the water out more quickly.

While waiting for the water to drain, you can take this time to inspect the drain plug for any signs of damage. If the plug is damaged or worn out, it may need to be replaced before you can continue using your pressure washer.

Once you are confident that all the water has drained from the pump, you can proceed to the next step in the guide. It’s important to ensure that the pump is completely dry before moving on to the next task, as any residual water can lead to issues when the pressure washer is next used.

Step 7: Close the Drain Valve

After all the excess water has been drained from the pressure washer pump, it is important to close the drain valve to prevent any further water from leaking out. Find the drain valve, which is usually located near the bottom of the pump, and twist it clockwise to close it.

Make sure to tighten the drain valve securely to ensure that it is completely closed. This will prevent any water from entering the pump during storage or transportation, which could potentially cause damage.

If the drain valve is difficult to close or feels loose, check for any debris or obstructions that may be preventing it from sealing properly. Clean the valve if necessary and try closing it again.

To double-check that the drain valve is closed, you can run the pressure washer for a few seconds and check for any leaks. If you notice any water leaking from the drain valve, stop the pressure washer immediately and attempt to close the valve again.

Once the drain valve is properly closed, the water in the pressure washer pump is securely contained and you can proceed with storing or transporting the pressure washer as needed.

Step 8: Store the Pressure Washer Properly

Proper storage of your pressure washer is essential to ensure its longevity and prevent any damage. Here are some steps to follow when storing your pressure washer:

1. Clean the pressure washer:

Before storing your pressure washer, make sure to clean it thoroughly. This includes removing any dirt, grime, or debris from the exterior surfaces as well as the nozzle and spray wand. Use a mild detergent and water to clean the surfaces, and rinse them off with clean water.

2. Drain the water:

After using the pressure washer, it is important to properly drain the water from the pump. Refer to the previous steps to learn how to drain the water effectively. This will prevent any damage caused by freezing temperatures if you live in an area with cold winters.

3. Disconnect the hoses and accessories:

Disconnect any hoses, nozzles, or other accessories from the pressure washer. Clean and dry them thoroughly before storing them separately. This will prevent any damage, tangling, or corrosion during storage.

4. Store in a dry and protected area:

Find a dry and protected area to store your pressure washer. Avoid storing it in direct sunlight or in an area with extreme temperatures. A shed, garage, or basement is typically a good option.

5. Prevent rust and corrosion:

To prevent rust and corrosion, ensure that your pressure washer is completely dry before storing it. You can use compressed air or a dry cloth to remove any excess moisture. Consider applying a coat of rust-resistant spray or lubricant to the metal parts for added protection.

6. Secure the pressure washer:

Secure your pressure washer by making sure that all connections are properly tightened. This will prevent any leaks or damage during storage. Cover the pressure washer with a protective cover or tarp to shield it from dust and debris.

By following these steps, you can store your pressure washer properly and ensure that it is in good working condition when you need it next.