Difficulty
Moderate
Steps
7
Time Required
30 minutes
Sections
1
- Bumper Sensor
- 7 steps
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BackiRobot Roomba 870
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Introduction
What you need
Step 1
Bumper Sensor
- Flip the iRoomba over so that the underside is facing up.
- Using the Phillips #0 screwdriver, remove the 4.0 mm screw in the center of the yellow side brush.
- Remove the yellow side brush.
Flip the iRoomba over so that the underside is facing up.
Using the Phillips #0 screwdriver, remove the 4.0 mm screw in the center of the yellow side brush.
Remove the yellow side brush.
1024
Step 2
- Remove the two 3.5 mm Phillips screws that hold the battery cover onto the Roomba with a Phillips #0 screwdriver.
- Remove the battery cover.
Remove the two 3.5 mm Phillips screws that hold the battery cover onto the Roomba with a Phillips #0 screwdriver.
Remove the battery cover.
Step 3
- Remove the two remaining 3.5 mm Phillips #0 screws that attach the base-plate to the bottom of the Roomba.
- Remove the entire base-plate from the bottom of the Roomba.
Remove the two remaining 3.5 mm Phillips #0 screws that attach the base-plate to the bottom of the Roomba.
Remove the entire base-plate from the bottom of the Roomba.
Step 4
- Remove the ten 3 mm screws that attach the bumper guard to the bumper with a Phillips #1 screwdriver.
- Remove the bumper guard.
Remove the ten 3 mm screws that attach the bumper guard to the bumper with a Phillips #1 screwdriver.
Remove the bumper guard.
Step 5
- Be careful when removing the bumper from the Roomba to prevent damage to the sensor wires. Remove slowly!
- Lift up the Roomba so that its bumper is not resting on anything, and slowly separate the bumper from the device.
Be careful when removing the bumper from the Roomba to prevent damage to the sensor wires. Remove slowly!
Lift up the Roomba so that its bumper is not resting on anything, and slowly separate the bumper from the device.
Step 6
- Remove the two 3 mm screws that attach the sensor connector to the bumper/sensor with a #1 Phillips Screwdriver.
- Carefully detach the sensor connector from the bumper and the sensor.
Remove the two 3 mm screws that attach the sensor connector to the bumper/sensor with a #1 Phillips Screwdriver.
Carefully detach the sensor connector from the bumper and the sensor.
Step 7
- The sensor is now loose on the bumper. Be careful not to rapidly move the bumper for fear of dislodging the sensor and breaking it.
- Flip the bumper over, ensuring the sensor remains inside the sensor compartment.
- Gently remove the bumper from the black infrared sensor.
The sensor is now loose on the bumper. Be careful not to rapidly move the bumper for fear of dislodging the sensor and breaking it.
Flip the bumper over, ensuring the sensor remains inside the sensor compartment.
Gently remove the bumper from the black infrared sensor.
To reassemble your device, follow these instructions in reverse order.
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12 other people completed this guide.
Author
with 2 other contributors
Jacob Lindberg
Member since: 04/19/2017
425 Reputation
1 Guide authored
Badges:
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Team
Cal Poly, Team S14-G3, Banghart Spring 2017
Member of Cal Poly, Team S14-G3, Banghart Spring 2017
CPSU-BANGHART-S17S14G3
4 Members
10 Guides authored
jkeysgate - Jul 2, 2019
Reply
Can not get to the plug-in area on the board to replace sensor this way. DOES NOT work this way.
Reinhard Totzauer - Jan 22, 2021
Reply
man kommt nicht an den Stecker. Die Anleitung bringt überhaupt nichts.
Ed T. - Oct 27, 2021
Reply
Incomplete. This NEEDs to explain how to access the plug on the board.
