Welcome to the Active 2.0 Support Blog Series. In today’s guide, we will take you through the process of replacing the microswitch on your Active 2.0 pressure washer pump. The microswitch is a critical component, and its failure is usually indicated by the pressure washer not shutting off after you release the trigger.

To fix this issue, follow the detailed steps below.

What You'll Need

• Phillips screwdriver (sizes X and Y)
• Wire cutting pliers
• Replacement microswitch

Step-by-Step Microswitch Replacement

Follow these steps to replace the microswitch in your Active 2.0 pressure washer:

Step 1: Remove the Pump Body Screws

Using a size X Phillips screwdriver, remove the 9 screws holding the pump body of the pressure washer. Be sure to store the screws in a secure place for reinstallation.

Step 2: Remove the Plastic Casing

Carefully remove the plastic casing from the pressure washer and set it aside for later reassembly.

Step 3: Loosen the Switch Box Screws

Locate the 2 screws securing the switch box and loosen them to remove the pump and motor construction from the unit.

Step 4: Open the Switch Box

Using a small flathead screwdriver, open the cover of the main switch box to access the terminals inside.

Step 5: Disconnect the Terminals

Remove the plastic-covered 3 terminals from the ON/OFF switch carefully to avoid damaging them.

Step 6: Release the Microswitch

Locate the U-clip on the side of the pump construction and remove it to release the microswitch from the pump.

Step 7: Disconnect the Wires

Detach the black and white wires with white terminal heads from the microswitch, leaving you with two exposed wires and a blue wire.

Step 8: Install the New Microswitch

Connect the wires to the new microswitch, following the same configuration as demonstrated earlier.

Step 9: Reattach the Microswitch

Insert the new microswitch into the pump and reinstall the U-clip to secure it.

Step 10: Reconnect the Terminals

Reconnect the terminals back into the ON/OFF switch box as demonstrated, ensuring they are properly secured.

Step 11: Secure the Power Switch

Place the power switch back in its position and fasten it with the 2 screws.

Step 12: Reassemble the Pump and Motor

Place the pump and motor body back into its casing, ensuring the microswitch and power cord support are properly aligned.

Step 13: Reattach the Tips Holder

Position the tips holder back in its place before continuing to the final assembly step.

Step 14: Replace the Plastic Cover

Reattach the plastic cover over the motor and secure it in place.

Step 15: Secure the Casing

Finally, use the size X Phillips screwdriver to reinstall the 9 screws and fasten the casing in place.

Conclusion

And that’s it! You’ve successfully replaced the microswitch on your Active 2.0 pressure washer pump. This should resolve the issue of the unit not shutting off after releasing the trigger. If you need further assistance, feel free to reach out to us at support@activeproducts.com.