A pressure washer comes as a helping hand for reliving your hardship. The problem arises when your Sun Joe pressure washer motor keeps running. Your pressure washer may turn on and off repeatedly. In that case, you can’t manually stop your washer motor by releasing its trigger.
You should think about going to an expert for fixing the issue promptly. But, having proper knowledge of this problem can give you an instant solution. Even, you can fully fix your Sun Joe washer motor issue without someone’s assistance.
Before knowing the solutions, you should learn about possible reasons behind the fact. You also have to know about the parts of the Sun Joe pressure washer. However, this problem arises most often for the unloader valve or the trigger.
Why does my pressure washer keep running?
Your pressure washer may keep running for some instrumental malfunction. Here you learn some possible reasons why the Sun Joe pressure washer motor keeps running.
Failure of the unloader valve
Most of the time, the failure of the unloader valve becomes responsible for the discussing problem. The unloader valve’s responsibility is to perform as a collector and distributor. It gathers the water spike generated from the pump. After that, the unloader valve supplies the water spike to the trigger. If the unloader valve isn’t okay, it can’t perform the aforementioned responsibility. It can damage or partially damage the washer trigger. A bad unloader valve is responsible for the stalling of the engine. It makes the pressure inside the pump greater than the engine power. In this circumstance, the pressure washer motor keeps running.
Trigger wand not working
The pressure washer can’t be stopped despite the unloader valve’s condition being perfect. Maybe, a trigger wand is creating inconvenience. An internal mechanism of the trigger wand can block the water flow. This mechanism is dependent on a seal. Sun Joe pressure washer won’t shut off without this seal. Dealing with the trigger wand is useless if the seal is broken anyhow. Any model of electric pressure washer motor keeps running without the seal.
Missing O-ring at the connection
The high-pressure hose of each pressure washer has an O-ring connection. Sometimes, it can be wasted due to any mechanical issue. Its missing create trouble in the high-pressure hose. And for inappropriate pressure control, the pressure washer keeps running. In addition, the loose connection can make the water leaking. It makes the pressure washer cycling on and off for a long time.
Wrong timing of releasing the nozzle:
People always make the mistake of turning the pressure washer’s engine on and pressing the release nozzle. Both of the actions should be done without a minimum time interval. This action creates huge pressure at an instant. Pressing the nozzle releases this pressure and turns the engine on. However, making the wrong timing can create an issue with the pressure inside. As a result, your pressure washer may keep running on and off.
How to solve Sun Joe pressure washer motor keeps running
Now, you need a proper solution on your Sun Joe pressure washer motor keeps running. This part might be helpful for you with the following solutions.
Step:1- Fix or replace the unloader valve
Fixing or replacing the unloader valve may eradicate the existing issue. You have to handle all the parts carefully while replacing the unloader valve. Here are some easy instructions on replacing the unloader valve of the pressure washer.
- First of all, gather the necessary instruments together. A flat head screwdriver and a rubber mallet will be required for replacing the unloader valve.
- Now, you need to pry off the pin securing the unloader. Use the flat head screwdriver to perform this action.
- Insert the screwdriver inside the coil of the unloader. This step will help you to pop the unloader free.
- Check that the unloader stem is free to move without any hassle.
- Now, apply some grease to the O-ring before installing the new unloader. It will help protect the new unloader from damage.
- The last step is to insert the pin into the manifold. It provides additional safety to the newly installed unloader.
So, you can now cope with the unloader valve failure problem. You can install the new unloader successfully if you move correctly and confidently. It will prevent the motor of your pressure washer from continuously running.
Step:2- Think about the pressure washer trigger wand
Sun Joe electric pressure washer will keep running if the trigger wand has a problem. You can replace the trigger wand with the following steps.
- You need to remove the nozzle situated at the end first. It will allow you to separate the wand from the trigger handle. You can bring it out simply by twisting.
- Install the new wand to the trigger handle. Provide some twist for securing its position.
- Finally, you can reinstall the nozzle to the wand.
That’s it. After having a new trigger wand, your pressure washer is safe from keeping its motor on run.
Step:3- Install the O-ring and connection newly
Be careful about the high-pressure hose while replacing the O-ring connection. Installing a new O-ring can rid your problem of your pressure washer motor. This part will help you to install a new O-ring without any trouble.
- Detach the nozzle from the main body to bring the O-ring out.
- Safely bring the old O-ring out of the pressure washer. If you find it’s okay, you needn’t install a new one. Only a damaged O-ring requires to be installed.
- Spray some penetrating oil on a tissue and wipe the place of the old O-ring. You may find a lot of dirt and grime from that place.
- Get the suitable size of a new O-ring. Put this in the place of the previous O-ring.
- Before inserting the nozzle, clean the path with some penetrating oil. Never use the old tissue for cleaning the path. Make the tissue narrowest so that you can reach the maximum end.
- Finally, attach the nozzle and bring the pressure washer to its initial look. Hence, you’re done with your job.
Now, you can connect the O-ring with the high-pressure hose easily.
Step:4- Release the nozzle timely
A habit of pressing the release nozzle timely can eradicate the existing issue. You can follow these steps:
- Turn the pressure washer engine in the normal manner.
- At an instant, press the release nozzle. Being too late won’t fix your issue.
However, it’s all about practicing.
More Sun Joe pressure washer fixing related article at howtofixup
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Conclusion
A pressure washer is a necessary item for making your days easy. It’s common to face the problem of seeing your pressure washer running. You already have proper ideas on the possible reasons behind it. So, don’t be upset after facing this kind of problem.
The Sun Joe pressure washer motor keeps running and the problem is dependent on only a few issues. Failure of the unloader valve is the commonest of them. A damaged unloader valve is highly risky and so it requires to be transplanted immediately.
Other problems like the trigger wand not working, missing O-ring also may arise. You can fix these issues by following the provided steps without any hassle.