How to Replace the Pump on an Active 2.3 Pressure Washer – Step-by-Step Guide

How to Replace the Pump on an Active 2.3 Pressure Washer – Step-by-Step Guide

How to Replace the Pump on an Active 2.3 Pressure Washer – Step-by-Step Guide

 

In this guide, we’ll go over how to replace the pump on an Active 2.3 pressure washer. If you’re experiencing visible leaking or inconsistent pressure, your pump may be damaged and in need of replacement. With just a few tools, you can replace it yourself and get your washer back to optimal performance.

Signs of Pump Failure

The main indicators of pump failure include visible leaks and pressure that slips or varies, which are often caused by an internal leak or a damaged seal. When you notice these symptoms, it’s time to replace the pump.

Tools Needed

  • Flathead screwdriver
  • Size 5 Allen key

Step-by-Step Instructions

Step 1: Prepare the Pressure Washer

Place the pressure washer vertically with the pump facing up. This position prevents any oil from spilling during the process.

Step 2: Remove the Microswitch Box

Locate the U-clip holding the microswitch box. Using your flathead screwdriver, remove the U-clip and detach the microswitch box from the pump body.

Step 3: Remove the Pump Brass Endplate

Using the size 5 Allen key, locate and remove the four screws that hold down the pump’s brass endplate.

Step 4: Remove the Piston Cover

Carefully remove the piston cover to access the next set of screws.

Step 5: Remove the Piston Plate

Locate and remove the four screws holding down the piston plate on the oil chamber using the size 5 Allen key.

Step 6: Install the New Pump Piston Plate

Place the new pump piston plate in the correct position, with the indicated side facing down. Tighten the screws to secure it.

Step 7: Install the New Piston Cover

Place the new piston cover, ensuring the indicated side is facing down.

Step 8: Install the New Brass Endplate

Position the new brass endplate with the indicated side facing down, and tighten the screws securely.

Step 9: Reattach the Microswitch Box

Connect the microswitch box back to the pump and reattach the U-clip. You may need to apply some pressure to secure the U-clip in place.

Conclusion

By following these steps, you’ll have successfully replaced the pump on your Active 2.3 pressure washer. With this replacement, your washer should be operating smoothly, maintaining consistent pressure without leaks. Feel free to leave a comment if you have any questions or need additional help.