How do you replace drive belt and pully on 763 bobcat?

To replace the drive belt and pulley on a Bobcat 763, first ensure the machine is turned off and secure the hydraulic system. Remove the engine cover and locate the drive pulley. Loosen the bolts securing the pulley and remove it carefully. Then, take off the old drive belt, install the new belt around the pulleys, and reattach the pulley, tightening the bolts securely. Finally, replace the engine cover and test the machine to ensure proper operation.