Motor blade not moving, motor making humming sound.Will start to spin then make loud noise and stop.

have u cleaned the coils and fan blades on the motor??

The motor is receiving power, and that is the humming noise.
The humming sound also says the motor is overheating and will burn out.

Turn saw off.
Use hand and manually rotate blade to see if it rolls free.

For example on my saw, the blade barely turned because a bearing was rusted.
I soaked the bearing in wd-40 and 3-in-one oil and salvaged it.
Look for oil ports on each end of motor, and on bearings.
Clean pulleys and belt that connect blade to motor.

If your blade rolls free, and the motor shaft moves freely, then the motor winding has gone bad, so replace motor.

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you most probably have either a bad brake/clutch mechanism or a bad transmission.  

turn the motor to see if it moves it sound like the motor

Motors hum, and your right, it could be no worse than normal.

I would be suspect that there is a gear stripped in the gearcase, since this is a direct drive washing machine.

Reassemble the motor back onto the washer. Run it through a cycle manually (rotate the timer by hand) until the motor turns, then look to see if it's turning. If it is, or even more so, if it pumps water out of the tub, then it is probably the stripped out gearcase.

Reply with you findings and more advice.

Sounds like the motor's done. That thing is probably the start-run switch. Not worth trying to fix on an old motor. I've found dryer motors to be fairly generic, you should be able to find a replacement. I use Repairclinic.com when I can't get parts locally.

motor coupling needs to be replaced

the only part that makes a loud noise is your bearings m8 other than that could be a bra wire stuck inbetween your drum and casing m8