# How to Start a Power Washer: A Step-by-Step Beginner’s Guide
Starting a power washer for the first time can seem intimidating, but it’s a straightforward process once you know the steps. This guide will walk you through everything you need to know to get your machine running safely and efficiently.
## **Pre-Start Safety and Preparation**
Before you even think about pulling the starter cord, proper preparation is crucial for safety and machine longevity.
### **Gear Up for Safety**
Always wear safety glasses and closed-toe shoes. Consider hearing protection for louder gas models and gloves to improve your grip.
### **Inspect Your Equipment**
Check the power washer for any visible damage, leaks, or loose connections. Ensure the water inlet filter is clean. For gas models, check the oil level and fuel.
### **Connect Water Supply First**
This is the golden rule: **always connect your garden hose to the machine’s water inlet *before* starting the engine or motor.** Turn on the water supply fully and squeeze the trigger on the spray wand to purge any air from the system until a steady stream of water flows out. This prevents damage to the pump.
## **Step-by-Step Starting Procedure**
Follow these steps in order for a successful start every time.
### **For Electric Power Washers**
1. Connect to a GFCI outlet.
2. Ensure the water is connected and flowing (as per above).
3. Plug in the machine.
4. Squeeze the trigger on the spray gun to release pressure.
5. Turn the power switch to the “On” position. The machine is now ready.
### **For Gas-Powered Pressure Washers**
1. **Fuel & Oil:** Confirm the unit has fresh gasoline and the correct amount of oil.
2. **Water Connection:** Connect and purge air from the system with the water on.
3. **Choke & Throttle:** Set the choke to “Full” or “Start” (consult your manual). Set the throttle to a mid-to-high position.
4. **Fuel Valve:** Turn the fuel valve to the “On” position.
5. **Pull the Starter Cord:** Hold the machine firmly, then pull the starter cord steadily and firmly until the engine “catches.” Do not yank it violently.
6. **Adjust Choke:** Once the engine starts, gradually move the choke to the “Run” position as it warms up.
For a more detailed visual guide on this process, you can follow this comprehensive tutorial on How To Start A Power Washer.
## **Common Beginner Mistakes to Avoid**
* **Dry Firing:** Never start the pump without water flowing through it. This can destroy seals in seconds.
* **Using Hot Water:** Only use cold water unless your unit is specifically rated for hot water.
* **Forgetting to Release Trigger Pressure:** Always engage the trigger lock or squeeze the trigger before starting to relieve pump pressure.
* **Incorrect Oil/Fuel:** Using the wrong type of oil or stale gasoline is a common cause of starting failure.
## **Frequently Asked Questions (FAQ)**
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Q: Why won’t my gas power washer start?
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A: Check the “big three”: fresh fuel, correct oil level, and that the water is connected and flowing. A clogged spark arrestor or old spark plug can also be culprits.
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Q: Can I use a bucket of water instead of a hose?
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A: No. Most pressure washers require a pressurized water inlet to lubricate and cool the pump. Using a bucket will likely cause pump failure.
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