Litter-Robot 4: Seal Strips Installation Guide

Litter-Robot 4 is equipped with brush-type seal strips that sit along the lower globe, bezel, and waste port. This pack contains all varieties of seal strips found on Litter-Robot 4.

Learn how to install Litter-Robot 4 Seal Strips in various locations on the unit. Seal strips can help reduce odors, as well as reduce litter and waste leaking between parts.

Installing Litter-Robot 4 Lower Globe Seal Strips

Add seal strips to the lower front of the globe to help reduce litter and waste leaking between the globe and bezel.

You will need:

  • (2) lower globe seal strips: 11.5’’L
  • Putty knife or flathead screwdriver (optional) 
  • Gorilla Tape or other duct tape
  • Rubbing alcohol
  • Steps
  1. Make sure the unit is in the Home/Ready position.

  2. Press the Power button to turn the unit off, then unplug the unit.

  3. Open the bonnet. Press and hold the latches on both sides of the bonnet, then lift and rotate the bonnet to its open position.
  4. Remove any accessories (if installed).
  5. Remove the globe: Grab the black handle located on top of the globe, lift the globe off the base, and set it on the floor.
  6. Locate the area where the seal strips will be installed either along the front edge of the globe or on top of the liner retainer clip. 
  7. If seal strips have already been installed here, you’ll need to remove the old strip and any residue to install the new seal strip. To do this, use a putty knife, flathead screwdriver, or your fingernail to lift the corner of the strips and peel them off. You can also use ⅜-inch strips of Gorilla Tape or another type of sturdy duct tape. Apply tape to residue, rub to adhere firmly, and pull off. Repeat around the port. Clean any residue left behind with rubbing alcohol.
  8. To apply a new strip, peel off the adhesive backing on the first seal strip. Adhere the first seal strip to the left side of the globe entrance. Place the strip toward the FRONT edge of the globe lip to avoid visibility when the unit is reassembled. 
  9. Repeat the process for the second seal strip: Remove the adhesive backing and place the strip on the right side of the globe entrance. Again, the strip should be placed toward the front edge of the globe lip.
  10. Replace the globe: Hold the globe by the handle and slide it back into the base. Ensure the back of the globe is sitting flush in the rear bearing pocket. The large black gear on the rear of the globe will line up with the small white gear in the base.
  11. Close the bonnet: Rotate the bonnet downward over the globe and push down on the bonnet from the top to make sure it is latched and secure.
  12. Note that the seal strips will be slightly visible, just behind the lower edge of the bezel.
  13. Plug the unit back in and power it on.

Installing Litter-Robot 4 Bezel Seal Strips

Add seal strips to the bezel to help reduce litter and waste leaking between the globe and bezel.

You will need:

  • (2) bezel seal strips: 11.5’’L
  • Phillips-head screwdriver
  • Putty knife or flathead screwdriver (optional) 
  • Gorilla Tape or other duct tape
  • Rubbing alcohol
  • Marker (optional)
  1. Make sure the unit is in the Home/Ready position.

  2. Press the Power button to turn the unit off, then unplug the unit.

  3. Remove the bonnet: 
    1. Press and hold the latches on both sides of the bonnet, then lift and rotate the bonnet to its open position. 
    2. Unlatch the center tab on the bonnet from the catch clip on the unit frame behind the robot. Set the bonnet aside.
  4. Remove any accessories (if installed).
  5. Remove the globe: Grab the black handle located on top of the globe, lift the globe off the base, and set it on the floor.
  6. Remove the waste drawer from the base and set aside.
  7. Place the unit facedown (bezel down) on a solid, flat surface. Use a magnetized screwdriver and/or tips for ease of screw removal:
    1. Remove the ten (10) screws from the black bridge (what the bezel is attached to). 
    2. Remove the four (4) screws behind the seal strips attached to the bezel (the top of the bezel as it is presently situated). 
  8. Tip the unit upright. With a hand on the drawer opening of the base, carefully pull out on one side of the bezel to begin separation from the bridge. Now pull out on the other side and remove the bezel completely.
  9. Locate the two (2) old bezel seal strips. Use a putty knife, flathead screwdriver, or your fingernail to lift the corner of the strips and peel them off. 
  10. To ensure that the new seal strips adhere to the base, remove any litter and old strip residue. This can be done with some ⅜-inch strips of Gorilla Tape or another type of sturdy duct tape. Apply tape to residue, rub to adhere firmly, and pull off. Repeat around the port. Clean any residue left behind with rubbing alcohol.
  11. Note the position of the strips: The bezel rib below the strips is also the bottom center of the bezel. If helpful, a marker can be used to trace the strip location. 
  12. Peel off the adhesive backing on the first seal strip. Place the strip to the left of the bottom center of the bezel. Repeat with the second seal strip and place to the right.
  13. Replace the bezel and place the unit facedown, bezel on a solid surface. Then replace the fourteen (14) screws into the bridge.
  14. Place the base right side up again. 
  15. Replace the globe: Hold the globe by the handle and slide it back into the base. Ensure the back of the globe is sitting flush in the rear bearing pocket. The large black gear on the rear of the globe will line up with the small white gear in the base.
  16. Replace the bonnet: 
    1. Latch the center tab on the bonnet into the catch clip on the unit frame behind the robot. 
    2. Rotate the bonnet downward over the globe and push down on the bonnet from the top to make sure it is latched and secure.
  17. If desired, re-install the fence by snapping it onto the bezel at the globe entrance.
  18. Slide the waste drawer back into the base.
  19. Plug the unit back in and power it on.

Installing Litter-Robot 4 Lower Waste Port Seal Strips

Add seal strips to the lower waste port to help reduce odors.

You will need:

  • (2) side seal strips: 10.25’’L
  • (1) forward seal strip, (1) rear seal strip: 13.5’’L
  • Table or box at least 13.5’’H
  • Putty knife or flathead screwdriver (optional) 
  • Gorilla Tape or other duct tape
  • Rubbing alcohol
  1. Make sure the unit is in the Home/Ready position.

  2. Press the Power button to turn the unit off, then unplug the unit.

  3. Remove the bonnet: 
    1. Press and hold the latches on both sides of the bonnet, then lift and rotate the bonnet to its open position. 
    2. Unlatch the center tab on the bonnet from the catch clip on the unit frame behind the robot. Set the bonnet aside.
  4. Remove any accessories (if installed).
  5. Remove the globe: Grab the black handle located on top of the globe, lift the globe off the base, and set it on the floor.
  6. Remove the waste drawer from the base and set aside.
  7. Have a table or a box at least 13.5’’H handy. Turn the base upside down and set it on top of the table or box so that the bezel hangs over the edge.
  8. Locate the old lower waste port seal strips. Use a putty knife, flathead screwdriver, or your fingernail to lift the corner of a strip and peel off all four (4) strips.
  9. To ensure that the new seal strips adhere to the base, remove any litter and old strip residue. This can be done with some ⅜-inch strips of Gorilla Tape or another type of sturdy duct tape. Apply tape to residue, rub to adhere firmly, and pull off. Repeat around the port. Clean any residue left behind with rubbing alcohol.
  10. Replace the (2) side seal strips first. These are 10.25’’L. Peel off the adhesive backing on the first seal strip. Start at the back, and place the strip forward along the strip guideline. Run your finger along the strip a few times to ensure adhesion. Repeat with the other side seal strip.
  11. Proceed to the forward and rear seal strips, which are 13.5’’L. Place the rear seal strip in front of the strip guideline, and the forward seal strip behind the seal strip guideline.
  12. Place the base and bezel right side up on the floor. 
  13. Replace the globe: Hold the globe by the handle and slide it back into the base. Ensure the back of the globe is sitting flush in the rear bearing pocket. The large black gear on the rear of the globe will line up with the small white gear in the base.
  14. Replace the bonnet: 
    1. Latch the center tab on the bonnet into the catch clip on the unit frame behind the robot. 
    2. Rotate the bonnet downward over the globe and push down on the bonnet from the top to make sure it is latched and secure.
  15. Slide the waste drawer back into the base.
  16. Plug the unit in and power it on.

Installing Litter-Robot 4 Upper Waste Port Seal Strips

Add seal strips to the upper waste port to help reduce odors.

You will need:

  • (1) forward seal strip: 13.5’’L
  • (2) side seal strips: 6’’L
  • (1) rear seal strip: 12’’L
  • Putty knife or flathead screwdriver (optional) 
  • Gorilla Tape or other duct tape
  • Rubbing alcohol
  1. Make sure the unit is in the Home/Ready position.

  2. Press the Power button to turn the unit off, then unplug the unit.

  3. Open the bonnet: Press and hold the latches on both sides of the bonnet, then lift and rotate the bonnet to its open position.
  4. Remove any accessories (if installed).
  5. Remove the globe: Grab the black handle located on top of the globe, lift the globe off the base, and set it on the floor.
  6. Locate the old upper waste port seal strips in the base. Use a putty knife, flathead screwdriver, or your fingernail to lift the corner of a strip and peel off all four (4) strips.
  7. To ensure that the new seal strips adhere to the base, remove any litter and old strip residue. This can be done with some ⅜-inch strips of Gorilla Tape or another type of sturdy duct tape. Apply tape to residue, rub to adhere firmly, and pull off. Repeat around the port. Clean any residue left behind with rubbing alcohol.
  8. Replace the forward seal strip first, which is 13.5’’L. Peel off the adhesive backing on the strip and place it along the inside of the strip guideline. Run your finger along the strip a few times to ensure adhesion.
  9. Next, replace the (2) side seal strips, which are 6’’L. Place immediately adjacent to the forward seal strip, and along the inside of the strip guideline.
  10. Finally, replace the rear seal strip, which is 12’’L. 
  11. Replace the globe: Hold the globe by the handle and slide it back into the base. Ensure the back of the globe is sitting flush in the rear bearing pocket. The large black gear on the rear of the globe will line up with the small white gear in the base.
  12. Close the bonnet: Rotate the bonnet downward over the globe and push down on the bonnet from the top to make sure it is latched and secure.
  13. Plug the unit back in and power it on.
  14. Observe two clean cycles to ensure the new seal strips don’t get pulled up. Watch as the dump port rotates over the waste port area—if the seals are not adhered well enough, they could get pulled up by the rotating globe and cause an over-torque fault or a globe position fault. Reference this video for further information.

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