Hi. I'm Smitty. I am a professional appliance repair consultant here to help you diagnose, and repair, your appliance.
If the ram stops right as the direction switch is cleared then the direction switch is shorted and is making contact on both direction poles of the motor. That is why it is heating up so much is the motor is being fed voltage to both sets of windings. It is basically trying to go two directions at the same time.
Replace the direction switch and you are good to go.
Please click here for a schematic and description of the complete cycle.
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I have ordered the part and will let you know if the new directional switch fixes the problem. Never suspected the switch because the compactor worked for 2 cycles when I reinstalled the old motor after lubricating it, but then the motor just hummed and wouldn't drive the ram.
The switch may be intermittant so it could work for a cycle or two.
Let me know how it turns out.
I replaced the directional micro switches and I still have the same problem. The ram moves past the switches and stops. The motor continues to draw current because it is heating up and activating the thermal override switch.
The directional switch did not fix the problem. I am still confused that the original motor, after lubricating and reinstalling, moved the ram through an entire cycle twice before stopping and just humming. The new motor only moves the ram below the directional and limit switch. That seems to indicate that the circuitry is o.k. and perhaps the new model motor isn't compatible???
Check the continuity of the limit switch. It should not have continuity when the ram is at the top of the cycle.
The only time it should have continuity is during up travel.