iRobot ROOMBA i4 Owner's Manual page 11

Cleaning the Front Caster Wheel
1
Pull firmly on the front wheel module to remove
it from the robot.
EN
2
Pull firmly on the wheel to remove it from its
housing (see illustration below).
3
Remove any debris from inside the wheel cavity.
4
Reinstall all parts when finished. Make sure the
wheel clicks back into place.
Important: A front wheel clogged with hair and debris
could result in damage to your floor. If the wheel is not
spinning freely after you have cleaned it, please contact
Customer Care.
7 For more information, visit global.irobot.com
Axle Wheel
Housing
Cleaning the Multi-Surface Brushes
1
Pinch the brush frame release
tab, lift the tab, and remove any
obstructions.
2
Remove the brushes from the
robot. Remove the brush caps
from the ends of the brushes.
Remove any hair or debris that
has collected beneath the
caps. Reinstall the brush caps.
3
Remove any hair or debris from
the square and hexagonal pegs
on the opposite side of the
brushes.
4
Remove the bin from the robot and
clear any debris from the vacuum
path.
5
Reinstall the brushes in the robot.
Match the shape of the brush pegs
with the shape of the brush icons in
the cleaning head module.