Dull Blades Not Working
In the curse of your workday, you will need to utilize the blades on your tractor to accomplish a number of jobs. When those blades begin to dull, then work efficiency slows down and can eventually grind to a halt if the blades go too long without being serviced.
Possible Solutions
On average, your blades should be sharpened at least twice a year; for harder use, they will require more frequent upkeep. On smaller tractors, sharpening can be done on your own, but you may need to hire professionals to assist with larger blades.