Hi, we need an owners manual for a Precision Tig 275 . We did not receive one when this welder was bought new. The Serial number is V106060725-4 There is a KNO. CODE NO. K1828-3 11068-4 Our welder is down now and we need help. My email is garyd@ghtool.com My phone number is 636-390-2424 Ext. 169 I am in a huge hurry for this. Thanks in advance for your time.