Toro Lawn Mower With Toro Power Tools "deck belt keeps" Questions

deck belts keep breaking I have went through 2 deck belts already and only have 14 hours on a brand new machine? some thing on the deck is out of allingment should still be under warranty i'd take

...belt is on reattach the deck and tighten the rods by the motor that keeps the belt from comming off. They need to be close but not touching the engine pulley. Good luck and let me know if this helps. ...