How to Drain Oil from a Pressure Washer (Easy Guide)

It’s important to replace the oil in your pressure washer to ensure it lasts as long as possible and works properly. Removing oil from a pressure washer can be an easy task if you follow our three simple steps.

You can drain oil from a pressure washer by simply removing the oil cap on the water pump and then tilting the pressure washer to drain the used oil into a container. You will then tilt the unit back into the opposite direction after you have drained the oil. There are many other things to know when it comes to removing the oil from your pressure washer and how to replace the oil.

We are going to go over everything you need to know about replacing the oil and maintaining your pressure washer. Let’s dive right in!

1. Purging The Pump Of Contaminants

Purging the pump of contaminants simply prepares the pressure washer for the oil change and use. First, you will need to turn on the supply water and then remove the wand from the spray gun.

Next, you will need to start the engine and hold down the spray gun trigger. You will need to hold the trigger until there is a constant stream of water. It’s recommended that you hold the trigger for about two minutes and then engage the trigger safety latch. After you’ve completed those steps, you are ready to refasten the wand onto the spray gun.

2. Draining The Oil

Now that you’ve gotten rid of the contaminants in the pump, you are ready to drain the oil. The first step to draining the oil is to remove the oil cap on the water pump with a wrench. Next, you will need to tilt the pressure washer at a certain angle to pour the used oil into a different container.

After you’ve removed all of the oil, you can tilt your pressure washer back into its regular position.

3. Replacing The Oil

Once you’ve drained the oil, you are ready for the last step which is changing the pump oil. The first thing you will need to do is fill the water pump with new oil. You should always follow the direction in your owner’s manual. Then you will need to reinstall the oil cap and remove any excess oil that’s around the cap.

You are then ready to set the pressure washer in its upright position. Make sure to clean up any spilled oil and dispose of any used oil and spoiled rags. Makes sure to do this following the local environmental statutes.

Once you’re done with those three simple steps, your pressure washer is ready to use again! Here is a short video that summarizes the steps of draining oil from your pressure washer.

Pressure Washer Maintenance

Gas-powered pressure washers generally require more maintenance than electric pressure washers. It’s a good idea to check your owner’s manual for detailed steps on how to keep your pressure washer running smoothly for as long as possible.

Before Using Your Pressure Washer

Before you begin using your pressure washer there are a few things you should do. First, it’s a good idea to check the oil and fuel levels. Then you should check the water inlet screen. This is located where you connect the garden hose. If the screen is damaged, make sure to replace it, or clean it with water if it’s dirty.

Next, make sure to inspect the spray gun, spray tip, high-pressure hose, and wand extension. Simply make sure that all of the connections are secure. Next, it’s a good idea to test the spray gun trigger and trigger lock. You should also examine the high-pressure hose for and leaks, bulges, cuts, and other potential damage.

If you find that the hose is damaged, make sure to replace it as soon as possible by reading the manufacturer’s replacement instructions.

Next, you should check the siphoning tube and clean it out if it’s clogged. Make sure to check the filter as well if your detergent system has one. Next, you’ll want to flush out the garden hose you’ll be connecting to the pressure washer.

After Using Your Pressure Washer

First, what you’ll need to do to make sure your pressure washer is stored properly is rinse the detergent from your pressure washer. You can do this by simply removing the detergent siphoning tube and set the spray to low pressure. You’ll then want to let the water run through the system for a couple of minutes.

Next, you need to relieve the pressure in the machine. You can do this by turning off the pressure washer and water supply, and then unplug it from the electrical unit. Make sure to spray the gun away from people or animals. Keep it running until the water stops flowing.

Then you must disconnect the garden hose, spray gun, wand extension, and high-pressure hose and drain the water from them. Next, you should remove any remaining water from the pump and clean off any debris left on your pressure washer.

Engine maintenance- Gasoline Powered Pressure Washers

Maintenance of your pressure washer engine is what will ensure that it lasts for as long as possible.

The first thing you should consider doing is, replace the engine oil. You can follow the steps above to know just how to replace your pressure washer’s engine oil.

Next, it’s a good idea to inspect the spark plug by removing the plug and cleaning the area around it. This will prevent and debris from falling into the engine’s combustion chamber. Then you should check the air filter. Make sure to replace it if needed, and clean it if it’s dirty.

You must take care of the fuel system and follow the pressure washer manufacture instructions and recommendations for fuel. Ethanol-free fuel is a great alternative to pump gasoline that stays fresh for long periods of time.

The last thing you should do to maintain your engine is reconnecting the spark plug wire before your next use. Like any machine, maintenance will keep it working correctly for longer.

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