How To Remove Solder Circuit Boards

Excess solder filling a hole happens quite often.

How to remove solder circuit boards.

The tip of a heated soldering iron is pressed against the hole to melt the solder. The tip of the desoldering bulb is placed behind the hole and the bulb is squeezed. Add a bit of solder and you ll see for yourself how much of a difference it makes. You can also leave the solder there of course.

The printed circuit board is held in a vise or pcb holder. Press down on the plunger if your pump has a bulb just squeeze the bulb. Heat up the solder you want to remove with a soldering iron some desoldering pumps also come with attached irons. Removing solder from the circuit board can be a challenge.

Release the plunger or bulb. In terms of size it is recommended to use a solder with a diameter not less than 0 75mm and not greater than 1 0mm for a printed circuit board. Unless the solder creates short circuits or structural problems you can heat the solder until it melts and then push your components through. The solder just won t melt making it really difficult to remove a component.

The desoldering pump works best for through hole connections. You ll also need a face mask safety glasses and industrial gloves to work with nitric acid since it can harm your skin and eyes and cause nausea if it s inhaled. To remove gold from circuit boards start by purchasing concentrated nitric acid from an industrial or chemical store. Usually the clog is residual solder that occurs when an existing electronic component is desoldered and removed.

How to remove solder from a circuit board hole. Thoroughly examine both sides of the board to isolate the specific spots holding each component in place. Once the solder is molten place the tip of the desoldering pump against the solder that you want to remove. The board has small joints that you need to connect it is why it is better to select a smaller solder.

A desoldering pump also called a solder sucker vacuums up melted solder to separate soldered components from a circuit board. To remove excess solder from a hole. Pcb hole accidentally clogged during soldering. There are several effective methods for removing solder from a pcb hole.