Introduction
Welcome to the DeWALT Hammer Drill DW511 trigger replacement guide. The trigger is an important part of the drill that tells the drill when to power up and which direction to drill. You would want to replace the trigger because of a trigger jam that happens inside the trigger mechanism.
Caution should be taken when working with on the device. It needs to be unplugged before working on any part of the drill.
Tools
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Place an opening tool in the groove line of the handle and pop the back loose.
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Grab the drill with two hands and pull the cover off.
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Firmly grab the body of the trigger.
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Slowly pull the trigger until the entire body is out and only attached by wires.
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With sharp point tweezers, push the little metal flap up in the hole holding the wire.
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Clamp the wire with blunt tweezers, and slowly pull the wire out.
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With a pair of blunt nose tweezers, grab the white wire.
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Carefully wiggle the wire loose.
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Pull the wire slowly until it comes out.
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Use an opening tool to lift up the spring holding down the brush.
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Remove the brush from its holding.
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With a pair of blunt nose tweezers, grab the red wire.
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Carefully wiggle the wire loose.
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Pull the wire slowly until it comes out.
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With a pair of blunt nose tweezers, grab the red wire.
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Carefully wiggle the wire loose until it comes out.
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With sharp point tweezers, push the little metal flap up in the hole holding the wire.
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Grab a pair of blunt nose tweezers and clamp the wire.
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Slowly pull the wire out until it is free.
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The trigger is now free from the drill.
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To reassemble your device, follow these instructions in reverse order.