Between 287BC - 212BC by Archimedes.
Pulley - band - was created in 1994.
the pulley was invented in the 1956
In most cases you need a pulley puller. Need to know make, model , year and engine to help you more.
Most bolts turn counterclockwise to come off. Year, make, model and which pulley would be helpful.
Use a strap wrench or chain wrench on the pulley to hold it secure.
There is a crankshaft pulley, alternator pulley, power steering pump pulley, AC pulley, idler pulley, tensioner pulley, etc.
a coumpound pulley is when there is a fixe pulley and movable pulley working together
a coumpound pulley is when there is a fixe pulley and movable pulley working together
The longest pulley system ever created is part of the construction of the Burj Khalifa in Dubai. It extends over 1,000 meters, allowing for the transportation of materials to the height of the world's tallest building. While specific measurements of the pulley system itself can vary, this project exemplifies the use of extensive pulley systems in modern engineering.
I think you mean "puller" not pulley and give us more info like the year, make, model and engine size to help us answer that one.
pulley
Things that might cause a pulley to wobble: The pulley is bent. The shaft the pulley is on is bent. The pulley is mounted crooked.