- 1). Grip the desoldering pump in your hand and press the plunger down with your thumb until it locks into place.
- 2). Place the opening of the pump's nozzle against the surface of the solder joint.
- 3). Turn on the soldering iron. Once it heats up fully, press the tip against the surface of the joint, about 1 millimeter away from the nozzle's opening.
- 4). Press the pump's trigger to release the plunger, slowly letting the plunger extend with your thumb. This will create a vacuum that will suck up the solder as it melts.
- 5). Gradually move the soldering iron tip around the edge of the joint, sucking away the melted solder as you go.
- 6). Place the flat edge of desoldering wick on top of any remaining solder on the PCB copper pad.
- 7). Press the tip of the iron against the surface of the wick. As the solder underneath melts from the heat, it will flow up into the braiding.
- 8). Remove the wick from the board's surface. Keep the iron in contact with wick until it's been removed. If you remove the iron first, the wick will cool, causing the solder to harden and stick to the board.
- 9). Snip off any of the braid that has solder absorbed in it.
- 10
Repeat Steps 7, 8 and 9 for the rest of the copper PCB pad until it is completely free of solder.
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