Drain Air Tanks

i gotta figure out a way to get to the bigger line on the top something i'm also gonna do while i'm under here is drain these water tanks or i guess they're water tanks now because there's water in there but they're not supposed to be this is the air tanks and they got these petcocks on them during the water out i would venture to guess that the old guy got this from never ever did that all the air fittings are way easier to get to up here than they are back there so once i get these bags changed and i actually want to see what's going on i'll um air it back up and test to see if there's anything going on up here too i can fix it while it's still picked up right here i don't have enough hands though oh my god ew i was not expecting this much okay hold on that's a lot of water it's flattering on me ew stop it bus stuff having difficulties with the big air