Originally Posted by
BurrMan
Open your post processor with MillEdit Post. Look on the Mcodes tab for the code to be output, then go to the edit code blocks and look under Standard Start of Program, End of Program and the Toolchange section for the words Coolant on and coolant off. (Or a hard coded Mcode for either of those. Hard coded are enclosed in Quotes and output exactly as listed between the quotes)
Someone in the BobCad forum scripted a tick box to show up in the feature edit dialogue also, if you want to go find it, that will enable you to turn coolant on and off from the feature level.