Insert New Needle Assembly

assembling the rest of the gun. I've got my gun here. I'm going to drop my needle assembly. Going to take unscrew the the new 3/8 inch nut off the back of the needle assembly. Drop my needle assembly down inside the gun. It'll only go through there one way. It's got a flat side to it. It's going to drop in there. It's going to fall through and set. And it's got inside this end of the gun, there's grooves that this triangular portion of the needle will fall into. I'm going to drop it down in there. It's going to fall in those grooves.