| The Cord Retraction Mechanism resides inside the chassis of the vacuum, and makes the cord retract into the chassis when you press the button. It is a complicated part, and can often be fixed with no replacement parts. |
| The Bissell Zing 2156A uses a spring-driven mechanism that we call the "Cord Retraction Mechanism" to ensure the cord goes back in the vacuum when your done with it. This mechanism is notorious for getting worse over time or outright breaking. You can find out more in [[Bissell Zing 2156A Troubleshooting#Section_The_power_cord_will_not_retract|this troubleshooting guide|new_window=true]]. |
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| The mechanism comprises of the cord itself, a cowling that is attached to the case to shelter the cord, a carousel wheel, and a lever-arm mechanism on a frame. The carousel uses a type of [link|https://en.wikipedia.org/wiki/Torsion_spring|spiral torsion spring|new_window=true] to retract the cord when the lever arm is pressed. This spring can become worn from time or use. It can be replaced, or simply rewound, but this can't be done without removing the mechanism. |
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| Make sure to unplug the device before starting! Live current is easily in reach with the case open - the power only stops at the power switch, and is live in the retraction mechanism. |