iRobot Roomba 655 Pet Series Front Bumper Replacement

Introduction

You will be removing the front bumper (this runs into objects and walls) from the Roomba to gain access to the control center (display) and motherboard.

What you need

Step 1 Front Bumper

iRobot Roomba 655 Pet Series Front Bumper Replacement, Front Bumper: step 1, image 1 of 2

iRobot Roomba 655 Pet Series Front Bumper Replacement, Front Bumper: step 1, image 2 of 2

Remove the ten 11mm screws that hold the front bumper to the plastic bumper protector with your Phillips #1 screwdriver.
Pull the plastic bumper protector up and off of the bumper.

Edit

Step 2

iRobot Roomba 655 Pet Series Front Bumper Replacement: step 2, image 3 of 3

Flip the Roomba back over, so you are viewing the top.
Pull up on the front bumper to remove it.
Be careful not to pull too hard because there is wiring attached to the bumper.
Remove the two 7mm screws with your Phillips #1 screwdriver, holding the wire sensors in place to the front bumper.