Difficulty
Moderate
Steps
15
Time Required
20 - 45 minutes
Sections
5
- Side Brush
- 3 steps
- Bottom Plate
- 3 steps
- iRobot Roomba 551 Dirt Bin Replacement
- 1 step
- Brush Case
- 2 steps
- Main Brush Motor
- 6 steps
Flags
1
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BackiRobot Roomba 551
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Introduction
What you need
Step 1
Side Brush
- Place your Roomba upside-down on a hard surface.
Place your Roomba upside-down on a hard surface.
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Step 2
- While holding the side brush in place, use a Phillips #1 screwdriver to remove the 4.5mm screw from the center of the brush.
While holding the side brush in place, use a Phillips #1 screwdriver to remove the 4.5mm screw from the center of the brush.
Step 3
- Gently pull upwards on the brush to remove it.
Gently pull upwards on the brush to remove it.
Step 4
Bottom Plate
- Rotate the Roomba upside-down so the bottom is facing towards you.
Rotate the Roomba upside-down so the bottom is facing towards you.
Step 5
- Using a Phillips #2 screwdriver, remove the captive screws that hold the bottom plate in place.
Using a Phillips #2 screwdriver, remove the captive screws that hold the bottom plate in place.
Step 6
- Carefully lift the bottom plate.
- The battery is only secured in place by the bottom plate, and may fall out once the bottom plate is removed.
Carefully lift the bottom plate.
The battery is only secured in place by the bottom plate, and may fall out once the bottom plate is removed.
Step 7
iRobot Roomba 551 Dirt Bin Replacement
- Push on the dirt bin release button, and pull gently.
Push on the dirt bin release button, and pull gently.
Step 8
Brush Case
- Use a Phillips #1 screwdriver to loosen the 4 captive screws around the case .
Use a Phillips #1 screwdriver to loosen the 4 captive screws around the case .
Step 9
- Grab the brush case and pull upwards to remove.
Grab the brush case and pull upwards to remove.
Step 10
Main Brush Motor
- Use a Phillips #1 screwdriver to remove the 9.5mm screws from the side of the brush case, and pull to detach.
- Repeat for the opposite side of the brush case.
Use a Phillips #1 screwdriver to remove the 9.5mm screws from the side of the brush case, and pull to detach.
Repeat for the opposite side of the brush case.
Step 11
- Use a Phillips #1 screwdriver to remove the three 5.0mm screws from the back of the brush case.
- Pull off the back of the brush case.
Use a Phillips #1 screwdriver to remove the three 5.0mm screws from the back of the brush case.
Pull off the back of the brush case.
Step 12
- Use a Phillips #1 screwdriver to remove the two 1.5mm screws securing the chip in place.
- Remove the chip from its housing in the blue brush case.
Use a Phillips #1 screwdriver to remove the two 1.5mm screws securing the chip in place.
Remove the chip from its housing in the blue brush case.
Step 13
- Use a Phillips #1 screwdriver to remove the two 5.5mm screws securing the motor in place.
Use a Phillips #1 screwdriver to remove the two 5.5mm screws securing the motor in place.
Step 14
- Use a Phillips #1 screwdriver to remove the two 4.5mm screws on the top and bottom of the metal plate.
- Pull out the motor and metal covering.
Use a Phillips #1 screwdriver to remove the two 4.5mm screws on the top and bottom of the metal plate.
Pull out the motor and metal covering.
Step 15
- Use a Phillips #1 screwdriver to remove the two 3.5mm screws on the corners of the circuit board.
- Gently pull out the circuit board.
Use a Phillips #1 screwdriver to remove the two 3.5mm screws on the corners of the circuit board.
Gently pull out the circuit board.
To reassemble your device, follow these instructions in reverse order.
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Author
with 4 other contributors
John McTigue
Member since: 01/31/2014
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Team
Cal Poly, Team 13-14, Regan Winter 2014
Member of Cal Poly, Team 13-14, Regan Winter 2014
CPSU-REGAN-W14S13G14
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