Able Trade
Plastic
- Joined
- Aug 25, 2021
Im hoping someone here is savvy with old machine starters. I picked up this old 1986 Supermax Engine Lathe LG-1440 at an auction. It was kind of a rough ride getting it back to my shop so Im not surprised something is wrong. I have some experience with old machine wiring but never seen this before and its got me confused. Its got a Y start (wye start, star start)delta run configuration. If im understanding correctly then of the 3 magnetic contactors the left one is the main contactor, middle is the delta run, and the right one is the Y start? Whats happening is when I push the on button the middle contactor engages and it turns on but wont hold on. Shouldnt the right one be the first one to engage? Also kind of strange, when if I hit the main contactor manually it will spin in reverse. I used a meter and am getting full voltage on all 3 legs and All the E stops are working. Any ideas? Also if anyone knows where to find any manuals or wiring diagrams for it that would be a big help.