Get your IEC socket first so you know what size you need, then use this:
https://amzn.to/31xVP2v
It will take a lot of work and patience. Though honestly, you'll have better results if you forego using detachable cords and replace with a high quality shielded cable like this:
https://www.partsconnexion.com/DHLABS-75520.html
Check the diameter to make sure it will fit. You may need to ream the original hole. Make sure to get the right grommet so you don't have the cabling touching bare metal.
Best,
Erik
https://amzn.to/31xVP2v
It will take a lot of work and patience. Though honestly, you'll have better results if you forego using detachable cords and replace with a high quality shielded cable like this:
https://www.partsconnexion.com/DHLABS-75520.html
Check the diameter to make sure it will fit. You may need to ream the original hole. Make sure to get the right grommet so you don't have the cabling touching bare metal.
Best,
Erik