EE WAS RIGGING CHAINS TO PICK UP A SCREEN. HIS BACK WAS TO THE LOADER, AND HE WAS LEANING OVER SCREEN TO ADJUST RIGGING & ANOTHER EE OPENED WINDOW TO EXPLAIN AN OBJECTIVE & THE MONEY POUCH FE LL OUT OF THE WINDOW. THE LOADER WAS OFF & BRAKEWAS ON AS THE EE LEANED OUT TO RETRIEVE THE POUCH, HIS LEG HIT THE BUCKET CONTROL PINNING THE INJ EE.