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I have a craftsman model 315 circular saw i have to change power cord where do i put ground wire since it is a 2 prong cord? i have 14-2 gw to replace it with.

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If the cord needs replacing because of a defect return it to Sears. Craftman tools are gauranteed virtually forever. I return a circular saw a few years ago agter useing it fo over 5 years and they replaced it, no questions asked.

Posted on Jan 30, 2010

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If all of these check out, then you'll need to check the motor. First, look for a resettable breaker or thermal protector on the motor. This will be a short plastic rod or button (red, black or white color) on the brush end of the motor, if present. Push it in - if it clicks on the way in, it was tripped. Next, do a resistance check on the motor. You should have a low resistance from the switch to the neutral wire (i. e., through the motor). If it is much more than a few ohms, remove the brushes and clean the commutator with a cotton swab soaked in isopropyl alcohol. Inspect the brushes - if they are broken or severely worn, replace them. Recheck the motor continuity after you put the brushes back in. If your first continuity check showed an open circuit and it still reads open, you may have a tripped or blow thermal protector in the motor (some internal thermal protectors are buried in the winding and can only be replaced by having the motor rewound).

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