How to Get Your Pressure Washer Pump Ready for Winter in 5 Simple Ste

Robin Ahmed
4 min readMay 22, 2017

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Getting your pressure washer pump winter ready is important to avoid freezing damages.

Pressure washer pumps are proven to be the best equipment for heavy-duty cleaning. With the numerous advantages of pressure washer pumps come a high price tag. Hence, it is just right to take the necessary steps to protect it from damages.

Having a pressure washer pump of your own is great, and knowing how to properly care for it is important

Having your own pressure washer pump requires proper care and maintenance to maximize the use of your investment. Pressure washers are most often used during spring and summer but not so much in winter that’s why learning how to winterize a pressure washer pump is important for proper storage of the equipment.



Pressure washers are most commonly used in springtime.

Usually, the exact instruction for how to winterize a pressure washer pump is in the user’s manual that comes with the equipment. However, if your user’s manual is nowhere to be found, this article will help you know the simple steps in getting your pump ready for winter.

Why Winterize Your Pressure Washer Pump

Let us first explore the reasons why you should know how to winterize a pressure washer pump. Generally, winterizing pressure washer pumps are important to keep the internal seals lubricated to protect them from the extreme cold weather. Moreover, here are specific reasons why winterize gasoline pressure washer and electric pressure washer pumps:

Stored gasoline may cause engine damage to unused pressure washer pump.

· Gasoline that is stored in the pump for more than 30 days may cause expensive repairs and engine damages in the pressure pump if left alone before storage.

Most fuels are mixed with ethanol, and this fuel may cause serious engine damage when stored for a long time.

· The fuel you use may contain Ethanol and these fuels, when stored in your pump for a long time, may cause rust and corrosion. This is also the reason why fuel stabilizers are needed for winterizing your pressure washer pump.

· When storing the equipment for a long time, it is important to prevent it from freezing and building up mineral deposits so that you don’t encounter any problem when you need to use the pressure washer pump again.

· Aside from preventing freezing damages, proper storage of pressure washer pumps in the winter can help prevent delays on startup when it’s time to use them.

Now that you know why it is important to get your pressure washer pump ready for winter, let us go through the steps on how to winterize a pressure washer pump.

How to winterize a pressure washer pump in 5 simple steps:

What you need:

- Fuel stabilizer — for gas pressure washer pumps

- Garden hose — for main supply of water

- Antifreeze solution — the need for this depends on your climate

- Pump saver oil

1. For gas pressure washer pumps, the first step is to pour in the fuel stabilizer to the gas container, and then run the engine for two minutes to allow the stabilizer to circulate throughout the system.

2. Connect the pressure washer pump to the garden hose. Put the injection tube in a pail of water and run the pressure washer pump on a low-pressure setting for two minutes. This flushes out the remaining detergent and cleaning solution in the pressure washer pump.

If your climate tends to drop on near freezing, add the antifreeze solution to the injection pump and run for two minutes, and then turn off the engine and water supply.

Don’t forget to lock the spray gun’s trigger before storing.

3. Release the remaining pressure in the pump by squeezing the trigger on the spray gun. After that, engage the lock on the trigger.

4. Once the engine has cooled down, disconnect the garden hose and drain the water from the pressure washer pump’s hose, nozzle, and spray gun. Make sure to drain all the water and wipe it dry.

5. When you are sure that the pump is free of all liquids, add the pump saver oil to the pressure washer pump. You can do this by using a short garden hose and connecting it to the inlet adapter. This will keep your pressure washer pump lubricated and help avoid rust and damages from freezing. Lastly, store the pressure washer pump in a cool, dry place.

Before storing your pressure washer, make sure that the other parts are clean and dry and the pump is lubricated.

Conclusion

These 5 simple steps on how to winterize a pressure washer pump can greatly save you money in the long run and help you extend the pressure washer’s life. If your pressure washer pump is quite new, preparing it for the winter will be a great move to keep your warranty valid by saving it from damages that can totally be prevented.

Go ahead and winterize your pressure washer pump and keep it ready for your next pressure washing session in the next season.

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