Introduction
I have a broken drill , we will try to find out what the problem is, You will see how we take this drill apart en check out the components and parts.
Tools
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            first of all we will check the power. 
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            plug your drill into a power outlet and try it. 
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            If the machine wants to start but immediately shuts down , there is a chance the brushes needs to be replaced. 
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            If no power comes up ( like mine) you have to check the power cord first 
 
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            remove the 2 flathead/ torx screws holding the plastic frame at the bottom. 
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            remove the flathead/torx screw at the upper side of the frame. 
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            slide the frame to the right. 
 
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            check the brown and blue wire with a multimeter. 
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            put the red probe from the multimeter on the brown cable and ( copper head)and the black probe of the multimeter on the blue wire ( copper head) 
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            if you measure 230 V it should be ok ( in Europe it is 230 V.. i think in the US it would be 110V ...) 
 
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            Remove power cable by removing the 2 flathead/torx screws. 
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            be gently and careful with the condensator. ( yellow "briwk" with the 2 black small wires. 
 
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            check fot bad connections. ( in this case you will see one bad connection from the condensator ) 
 
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            pull out the switch to check the connections and measure out the switch. 
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            how more powerfull the motor , the more likely a bad switch is. 
 
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            when replacing : push the brush in the head ; click the wire on the right place and put it back. sometimes you will need to push the brush in place. 
 
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To reassemble your device, follow these instructions in reverse order.