I have an old thread on this machine that I started in order to identify it and then to get her running. A member was able to identify it as a G310 and sent me pictures of his unit plus the wiring diagram for it. I started this new thread focusing in on the current problem so that it might attract the attention of new members who could lend a hand.
This machine is an AC-DC generator welder that has both 110v and 220v plugs. The engine runs but it only produced tiny sparks and no welding current or at the AC outlets. A retired repairman looked at it and was able to get it to generate AC power to the plugs but it cut out after 30 seconds or so. I think he told me it was wired incorrectly. Also I installed new brushes and cleaned the stator rings.
I am hoping that someone out there recognizes the symptom and can suggest a course of action. The fact that the machine produces current tells me that the major components are good (armature, stators, field windings, etc.) and that the problem may be from one of the circuits (a resistor or diode, etc.)
Anyone have a clue what could be causing this erratic behavior? Attached is a picture of the g310 the member sent me. It is identical to mine.
Thanks ahead of time for your help,
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