Tell me how to replace the cord myself, how do i get them apart? ath ad500

Buy a new enclosure. You won't find a replacement for what you have.

First, let me guess. Did you happen to buy plastic "cheap" ones? These days, that may be all that is available. Manufacturers are going for parts that cost a few pennies to make.
For a solution, I would check your grounds. Start with the back of the machine where the cord attaches. Make sure the wires are good and are tight. Then, check the cord, and the place where the cord plugs it. Take it apart. Check for good and for tight connections. Go then to the house or apartment fuse./circuit breaker box. A bad or poor ground can cause electricity to do crazy things, just like you have described. Be blessed.

Email [email protected] they may or may not charge you for the cord.
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hi
had the same problem myself, what worked for me was replace the pull cord and make sure that you have enough turns on the return spring before you feed the cord through the eye and attach the hand grip, mine is still working after over a year with no problems.
andrew

The cord ... or the switch ... or the brushes.

You will have to take the handle apart to access the end of the cord and check the switch. Test your cord with the ohm function of a volt/ohm meter.

Thanks for your question and good luck with your repair.

http://www.americord.com/computer-power-cord-cat-3.html

You may also want to check thrift stores if available in your country.. Sometimes they have a lot of these stacked up.

In the US, I suggest thrift stores, the D.A.V., Salvation Army, and the like.

A lot cheaper than new, and just as good.

Read The Manual :)
Or Try To See On The Sides Of The Headset
U Can Take It Out And Put The Batteris
-Jon Aka Mayorofsword/Sprayerz

Good job on the cord replacement. Most people take the cover off the spring and then find out it is nearly impossible to get the spring tension set. I have personally repaired dozens of these cords that have been messed up by owners that did that.
If anyone has this problem, just do what this post says...remove the assembly and turn the pulley until you can get to the part of the cord that is broken...grab the end that is broken after you get it out of the opening with a vise grip and pull the cord out fully and lock the recoil spring with a vise or vise grip (but don't crush it)...then replace the cord and hold the end of the cord pull fully extended and remove the lock and allow the spring to recoil...and reinstall the assembly.
Simple, but THINK before you take the housing apart. It is REALLY TOUGH to reset spring tension properly.

You did not say which model you have, but if upright, most cords went in on the upper part of the handle and you need to take it apart to do that.

What type of battery is it.
The Manual should cover this simple task.
Have you looked?