Title: Determine the pump type, rotation, and drive system.
Course: Diesel Equipment Technology III (20107-III) > Section: Hydraulics: Servicing Pumps

Determination should include

- locating the manufacturer guidelines for the hydraulic pump, which will note the type of pump and the direction of rotation
- reviewing the service literature to determine the drive system (e.g., mechanical, electric, hydraulic).

Process/Skill Questions:

- What are the three major types of hydraulic pumps?
- What are the advantages and disadvantages of each style of pump?
- How can rotation of a pump be changed?