Question about Makita 7" Electronic Sander - Polisher 9227CX3

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Makita 9227c stall

Hi, I have a makita 9227c polisher/sander that quits after about 5 min. of use and then it goes on and off when I depress the switch at times. I replaced the brushes already since they were the cheapest and most common in power tool faults that I've encountered, however it still has the same problem. Do you think that the fault is in the switch? If so how do I check it? thanks

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If it`s not cord then the problem is in the electronic assy

Posted on May 29, 2008

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Hi hope to help
Have you tried this unplug the machine! then cut the cable about 6" from the machine then strip the machine and rewire the long length of cable back to the switch. The 6" that has been cut from the machine discard it.
The problem i used to get is where the cable is clamped in the handle the wire inside the insulation cracks so that when the machine is in one position is ok but then when is moved it goes off again.
It also could be the field coil (part of the motor) if it gets hot then cuts out the field could be braking down!!!
hope this helps.

Posted on Mar 04, 2008

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