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There may be a lot of carbon built up between the piston and cylinder head causing the engine to be seized. Try rotating the engine backwards to see if it will move. If it does dot rotate, add some diesel through the spark plug hole and let it set for a couple of days then try to rotate it again. You can spend a lot of time trying to repair it. If you want to try, remove the head and look to see if there is damage done to the piston.
The exhaust fan may be loose, {check mounts} also, the turnable motor that rotates the plate often gets noisey before seizing, {remove plate to see if noise goes away} and finally the magnetron gets very loud near end of life.
The motor bearings or drum bearings may be seized or the motor starter circuit is bad. Can you manually rotate the drum? If so, that probably eliminates any seized bearings. Try rotating the drum while the motor hums. If that allows the motor to run, then the starter circuit is defective. Unless the motor has an external start capacitor, the motor will likely have to be replaced.
The cooling fan for the condenser is probably running, getting hot and seizing up. Check to see if the fan is free spinning after it stops. Take a probe and try to spin it manually. If it turns freely, then it could be going bad with it's electrical windings, the internal coils that create the magnetic field that spins the rotor of the fan motor. I suspect it is seizing up, however, once a fan seizes up, it usually stays that way and won't spin even after it cools down. It could be a capacitor that is going bad and not starting the fan after it gets hot. A capacitor is a small round shaped can type with usually 2 wires hooked in series with the motor it is trying to start. That is what it does, help start the device (compressor or fan motor). Good luck.Ken from Henderson NV.
Nope, run capiacitor, fan motors don't use a start cap only compressors. However, the problem is most likely bad bearings in the motor and the motor needs to be replaced. If the run cap were bad you would have high amp draw when the motor is running and would trip out on overload or burn the windings.
If you manually start the fan rotating and then switch on power, will it start up OK? You may have a bad winding in the motor or the fan is mechanically bound up in a specific area but once it goes past that it may continue to rotate.. Or.. your fan motor may be damaged. Buzzing is normally associated with the motor unable to get past a bound up spot .. Hope this helps..
Try cleaning the fan with a can of compressed air ,make sure there are no wires close to your cooling fan blades. If this doesnt resolve the problem replace the fan .
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