it doesnt feed when you have an air system attached? if so check your ratchet, open the bottom part of the cyclone, i had a similar problem, and it was my ratchet, it was cracked,if your in warrenty im sure tippmann well send you a replacement for free, or your local shop would , mine offered to install the vortex ratchet(but still charged me

, its the same thing buts its not plastic its metal and will last forever basically.