Does an electrical schematic/diagram exist with voltage, amps, or ohms values at connection endpoints in the panel? I feel like that would make basic troubleshooting much easier. But all my searching thus far has hit dead ends. Also, I'd appreciate any input/help on the following:
I just got this Hardinge HLV-H lathe, which was advertised as working in good condition under 220VAC power. So, I plugged it in to an existing 3-phase 220VAC outlet that other lathes use (first I verified that the 1T Control Circuit Transformer was wired for 220 and not 440), and pressing the start button only made a buzzing sound. The spindle interlock was pulled out, but I soon realized that it can be too far pulled out and not allow the spindle interlock contactor to energize. After pushing it in slightly and then pushing the start button it now energized the interlock contactor, but still the lathe doesn't start. If I then manually push the main line contactor in, the lathe starts up. This same issue seems to be the case with other stuff that should energize when using the controls, like the brake solenoid, coolant pump, or speed controls. If I manually push the contactors or relays, stuff works, and then the controls do work to disengage/turn off things. My first thought was there wasn't the appropriate secondary voltage from the control circuit transformer. I get a voltage reading of 168V, and the transformer plate says it should be 115V.
Any advice on what to check or do next would be appreciated!
I just got this Hardinge HLV-H lathe, which was advertised as working in good condition under 220VAC power. So, I plugged it in to an existing 3-phase 220VAC outlet that other lathes use (first I verified that the 1T Control Circuit Transformer was wired for 220 and not 440), and pressing the start button only made a buzzing sound. The spindle interlock was pulled out, but I soon realized that it can be too far pulled out and not allow the spindle interlock contactor to energize. After pushing it in slightly and then pushing the start button it now energized the interlock contactor, but still the lathe doesn't start. If I then manually push the main line contactor in, the lathe starts up. This same issue seems to be the case with other stuff that should energize when using the controls, like the brake solenoid, coolant pump, or speed controls. If I manually push the contactors or relays, stuff works, and then the controls do work to disengage/turn off things. My first thought was there wasn't the appropriate secondary voltage from the control circuit transformer. I get a voltage reading of 168V, and the transformer plate says it should be 115V.
Any advice on what to check or do next would be appreciated!