Seams obvious. You need more heat. There are many ways to add more heat, hotter iron, hot air flood, hot oil bath. I'm afraid stating you have a 4 layer board isn't enough information on what method to use. i.e. are you removing just one part or many, big small, etc.? Why aren't you using a hotter "weapon"?
Fred Townsend Declan Moriarty wrote: > Any good tricks around for desoldering four layer throughole pcb parts? > > Where there is a ground layer, the desolder weapon I am using at 370 > degrees Centigrade doesn't heat the solder enough to melt it through; > what seems to happen is that the board soaks up the heat, and the parts > are only warmed. > > -- > > With best Regards, > > Declan Moriarty. > -- > Author: Declan Moriarty > INET: [EMAIL PROTECTED] > > Fat City Network Services -- 858-538-5051 http://www.fatcity.com > San Diego, California -- Mailing list and web hosting services > --------------------------------------------------------------------- > To REMOVE yourself from this mailing list, send an E-Mail message > to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in > the message BODY, include a line containing: UNSUB CHIPDIR-L > (or the name of mailing list you want to be removed from). You may > also send the HELP command for other information (like subscribing). -- Author: Fred Townsend INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB CHIPDIR-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
