1. Try not to apply more heat to the board than is necessary to quickly melt the solder.
2. Also, do not touch anything else on the board with the hot iron and
3. Don’t let any melted solder drip onto any component leads which could cause a solder bridge and potential cluster failure. (This last step is VERY IMPORTANT! IF you get solder on the leads and your cluster fails you will have to buy a new unit, if you do not feel like you can do this , get a buddy that can for you, you have come too far to mess this up!)