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Did you wire the phases up correctly? Pump might be trying to spin in wrong direction.
If the motor wont turn under power at all,you either got a short ,or a phase reversal.Do other 3ph motors work on the same supply?....Have you meggered the motor for faults?The switchgear for faults?Time to get an electrician?
I have a similar (but larger) brake. If it's like mine the motor circuit and back gauge and ram height controller are on totally separate circuits. My particular brake is an Adira but to my knowledge they are very similar if not the same.
If it is a single phase motor and spins freely but fails to start you should check the start capacitors and centrifugal switch.
I'll take a look at those thanks for the suggestion. I have a fair bit of learning to do, I don't have any experience with machines like this so I was hoping there would be some kind of documentation out there. It looks like two Allen-Bradley relays were replaced as well as what looks like a contactor or beefy relay, maybe they were trying to troubleshoot? I hope it won't take too much to figure out what's wrong.
There should be a pressure relief at the pump.
The pump should be able to run, singing on the relief valve continuously, regardless of what the downstream valves are doing.
Could the overloads be set too low ?
or has the main relief been "updated" by someone cranking it way up ?
Looking at blue circle. Do I see L1, L2, L3 and ground at the big relay? 3 phase if so.
It's a single phase, placard says 220/440 and it came with a 250V 20A plug. Been looking for any documentation I can find but haven't had any luck on the web so far. Have to see if work has anything.
I think I can also see on the motor data plate it says 3~ in the top left corner.
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So, I'm an idiot. This is a 3 phase motor.
Have I damaged it by doing this, also what are my options for running this in my single phase shop?
Can the motor be replaced, or is this still too much press brake?
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