1. Closed Pump With Pulley
By: Myung Kyun Kim

2. Closed Pump With Pulley
What is it?
Where is it used?
What does it do?

3. What is it? Component of lubricating system
Three pieces: the lid, body and pulley
Lid contains nozzle
Body contains rotating cylinder and retractile rubber wedges
The pulley is attached to the cylinder

4. What does it do? Where is it used? Regulates flow of lubricating oil
Pressure depends on revolution per minute of engine
Where is it used?
Different parts of engine
Where there is metal contacting surfaces