How to Change the Rollers in Your Roomba 870

Is your Roomba 870 not cleaning as effectively as it used to? One of the most common reasons for this is worn-out or dirty rollers. The rollers, also known as debris extractors, are crucial for picking up dirt, debris, and pet hair from your floors. Fortunately, replacing them is a simple maintenance task that can significantly improve your Roomba’s performance. This guide will walk you through the process of changing the rollers in your Roomba 870, ensuring it continues to keep your home clean.

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1. Gathering Supplies and Preparation

Before you begin, make sure you have everything you need for a smooth replacement. Here’s what to gather:

  • New Rollers: Purchase replacement rollers specifically designed for the Roomba 800 and 900 series, as the 870 belongs to this family.
  • Screwdriver: You’ll need a Phillips head screwdriver to remove the side brush (if it obstructs access) and potentially the battery door, depending on your Roomba model.
  • Cleaning Brush or Cloth: A small brush or cloth will help you clean any accumulated debris from the roller cavity and the Roomba itself.
  • Small Vacuum (Optional): A small handheld vacuum can be useful for removing loose dirt and debris.

Preparation Steps:

  1. Power Down: Turn off your Roomba 870 to ensure safety during the replacement process.
  2. Clear the Area: Work in a well-lit area with enough space to maneuver.
  3. Prepare the Roomba: Place the Roomba upside down on a flat surface, giving you access to the bottom components.

2. Removing the Old Rollers

  1. Open the Extractor Frame: Locate the yellow or gray release tabs on the extractor frame (the rectangular piece covering the rollers). Squeeze both tabs simultaneously and lift the frame to open it.
  2. Remove the Rollers: Once the frame is open, you can easily remove the rollers. They should lift out without much resistance. Note the orientation of the rollers as you remove them – this will help you install the new ones correctly. Typically, the front roller is light gray, and the back one is dark gray.
  3. Clean the Roller Cavity: Use your cleaning brush or cloth to remove any hair, dust, or debris accumulated in the roller cavity. A small vacuum can also be helpful for this step. Make sure to clean the metal pins that the rollers attach to.

3. Installing the New Rollers

  1. Insert the New Rollers: Place the new rollers into the cavity, matching the orientation of the old ones. Ensure the ends of the rollers are properly seated on the metal pins. You may need to rotate the rollers slightly to align them correctly.
  2. Close the Extractor Frame: Once the rollers are in place, close the extractor frame until it clicks shut. Make sure the release tabs are securely locked.
  3. Check Roller Movement: Gently rotate the rollers with your hand to ensure they spin freely. If they don’t, double-check that they are properly seated and the extractor frame is securely closed.

4. Final Steps and Testing

  1. Reassemble (If Necessary): If you removed the side brush or battery door, reattach them now.
  2. Power On: Turn your Roomba 870 back on.
  3. Test the Roomba: Place the Roomba on the floor and start a cleaning cycle to ensure the new rollers are working correctly. Observe its movement and check if it’s picking up debris as expected.

5. Troubleshooting Common Problems

  • Rollers Not Spinning:
    • Problem: The rollers are not properly seated, or the extractor frame is not securely closed.
    • Solution: Re-open the extractor frame, ensure the rollers are correctly aligned on the metal pins, and close the frame until it clicks.
  • Roomba Making Loud Noises:
    • Problem: Debris is caught in the roller cavity, or the rollers are damaged.
    • Solution: Turn off the Roomba, remove the rollers, and thoroughly clean the roller cavity. Inspect the rollers for any damage and replace them if necessary.
  • Roomba Not Picking Up Debris:
    • Problem: The rollers are worn out, or the roller surface is too dirty.
    • Solution: Replace the rollers with new ones. Regularly clean the rollers to remove any accumulated dirt and hair.
  • Extractor Frame Won’t Close:
    • Problem: The rollers are not fully seated, or the frame is misaligned.
    • Solution: Ensure the rollers are correctly positioned and that the frame is properly aligned before attempting to close it.

6. Pro Tips for Maintaining Roomba Rollers

  • Regular Cleaning: Clean the rollers at least once a week to remove hair, debris, and dirt. This will prevent build-up and maintain optimal cleaning performance.
  • Hair Removal: Use the cleaning tool provided with your Roomba or a pair of scissors to cut away tangled hair from the rollers.
  • Check for Wear: Inspect the rollers regularly for signs of wear and tear, such as cracks, brittleness, or reduced flexibility. Replace them as needed to maintain performance.
  • Genuine Parts: Use genuine iRobot replacement rollers or high-quality, compatible alternatives to ensure proper fit and performance.
  • Preventative Measures: Regularly vacuum or sweep your floors to reduce the amount of debris your Roomba has to handle, extending the life of the rollers.

7. Alternatives and Variations

While replacing the rollers is the standard solution for worn-out or dirty rollers, here are a couple of alternative approaches:

  • Deep Cleaning: For rollers that are not severely worn, a deep cleaning can sometimes restore their performance. Remove the rollers and soak them in warm, soapy water. Use a brush to scrub away any stubborn debris, then rinse thoroughly and allow to air dry before reinstalling.
  • Roller Repair (Limited): In some cases, minor damage to the rollers can be repaired. For example, if a small piece of rubber is torn, you might be able to glue it back in place with a strong adhesive. However, this is only a temporary fix, and replacement is still recommended.

FAQ 

How often should I replace the rollers on my Roomba 870?

It’s generally recommended to replace the rollers every 6-12 months, depending on usage and the amount of debris your Roomba encounters. If you notice a decline in cleaning performance, inspect the rollers and replace them if they appear worn or damaged.

What type of rollers should I buy for my Roomba 870?

Purchase replacement rollers specifically designed for the Roomba 800 and 900 series. These rollers are designed to fit correctly and provide optimal cleaning performance. Look for genuine iRobot parts or high-quality compatible alternatives.

Can I clean the rollers instead of replacing them?

Yes, cleaning the rollers regularly can help extend their lifespan and maintain cleaning performance. Remove the rollers and clean them with a brush or cloth to remove hair, debris, and dirt. For a deeper clean, soak them in warm, soapy water, scrub, rinse, and allow to air dry.

Why is my Roomba leaving streaks on my hard floors after I replaced the rollers?

Streaking can occur if the rollers are not properly seated or if they are dirty. Ensure the rollers are correctly aligned and the extractor frame is securely closed. Clean the rollers thoroughly to remove any dirt or debris that may be causing the streaks.

What happens if I don’t replace the rollers regularly?

If you don’t replace the rollers regularly, they will become worn out and less effective at picking up dirt and debris. This can lead to a decline in cleaning performance and potentially damage your Roomba’s motor. Regular replacement ensures optimal cleaning and prolongs the life of your Roomba.

Are the rollers different for different Roomba models?

Yes, the rollers can vary between different Roomba models. The Roomba 870 uses rollers designed for the 800 and 900 series. Always check the compatibility before purchasing replacement rollers to ensure they fit correctly and function properly.

Tips, Warnings, and Best Practices

  • Safety First: Always turn off and unplug your Roomba before performing any maintenance tasks.
  • Gentle Handling: Avoid using excessive force when removing or installing the rollers, as this can damage the components.
  • Regular Maintenance: Regularly clean and inspect the rollers to prolong their lifespan and maintain optimal cleaning performance.
  • Proper Storage: Store your Roomba in a cool, dry place when not in use to prevent damage to the rollers and other components.
  • Read the Manual: Consult your Roomba 870 user manual for specific instructions and recommendations on roller replacement and maintenance.

Conclusion

Changing the rollers in your Roomba 870 is a straightforward process that can significantly improve its cleaning performance. By following these steps and tips, you can keep your Roomba running smoothly and efficiently, ensuring your home stays clean and tidy.

Remember to regularly clean and inspect the rollers, and replace them as needed to maintain optimal results. A little maintenance goes a long way in keeping your Roomba 870 a valuable cleaning companion.

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