To clarify. I have been a owner since 2007. I had some early cracked front motors but they were both used and were shipped to me with the flex installed in the cut motor. This put undue stress on the plastic housing. It is recommended to only ship the machine after the flex is removed from the cut motor and the head cranked down all the way.
So this is the FIRST I have ever heard of the rear of the cut motor breaking. And I have been very active with the old CW Forum and now Facebook.
So I have also never heard of any Defective Cut Motor Cases.
I would open the Cut Motor. And inspect the Cut Motor Brushes and see if something came apart inside the machine.
With the cost of repair and the Upgrades you might take a serious look at what else is out there.
This is a Hobby Grade Machine. A Stepping Stone to a bigger machine.
If your not happy now, it will only get more frustrating.
You are going to have to keep an eye on the Y Gearbox and plan to replace the two 685ZZ Metric Bearings at about 250 Cut hours to prevent failed bearings from grinding down the shaft of the drive gear.
Flex Damage is expensive too and you must get in a habit of touching the flex shaft when you change a bit to monitor the temperature. When you feel heat it is time to lubricate the shaft. And that is an acquired skill... Too Much Lube and it gets into the top of the Truck Bearings... And that can be trouble.
And lastly in all my years of Electronic Maintenance since 1975 this failure almost looks like a machine being dropped while running to have that kind of motor damage..... That is what I would expect to see if the machine was dropped while running. No disrespect intended....
To be a Happy User of this machine you need to be pro active with preventive maintenance.
Good Luck with your decision....
AL
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