iRobot Verro 100 Owner's Manual page 19

Maintenance and Adjustment
untwisting the Floating Power Cord
Check the floating power cord periodically for external damage.
Reversing the position of the adjustable locking pin to the opposing side
of the axle after each use should prevent the cord from tangling or kinking.
However, if the cord tangles or kinks, and will not lie properly on the surface
of the water, it may be necessary to untwist it using the Detangler.
1
Unplug the Power Supply. (Please keep the plug away from contact
with water.) Unplug the floating power cord from the Power Supply.

Place the robot perpendicular to you so that you can walk away from it
for 50 feet.
3
Holding the Detangler in your hand, walk away from Verro. The
Detangler allows the floating power cord to rotate in the handgrip so
that it untwists as you walk.

If the cord is not fully untwisted by the time it is straight, simply
give it a few more turns by hand.
(cont...)
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