Using this CK 9 series TIG torch is easy. First, make sure it's properly connected to your welding machine. You can then start using it for your welding tasks up to 125 amps. Remember, since it has a 100% duty cycle at 125 amps, you can use it continuously without much worry. When it comes to maintenance, keep the hardened brass head clean. Regularly check for any signs of wear on the consumables and replace them when needed. As for storage, keep it in a dry place to prevent any damage. And always follow the safety guidelines of your welding machine while using this torch.