Originally Posted by
fadec
Don't run packs with huffer carts unless you enjoy breathing exhaust. I did it twice. The first time there was no problem. The second time I filled the cabin with fumes that made my throat sore and my eyes water. Who knows what cocktail of carbon monoxide pyrolyzed oil it contained.
Done it dozens of times over the years on 27,37,57. Never had a problem. I do get nasty fumes from cranky old belt loaders exhaust.
Plus, using the huffer for packs gives me advance warning if it isn't going to handle the engine start load, which runs about 50% at my airline.