This course begins with some safety guidelines related to Yankee dryers like those installed on tissue machines. It also describes some safety guidelines related to starting up, warming up, cooling down, and shutting down a Yankee dryer. The hazards associated with working around doctor blades and high pressure steam are discussed, as well as the importance of keeping records related to maintenance, repairs, and alterations.
Learning Objectives
- Describe Yankee dryer operating conditions
- List general Yankee dryer safety guidelines
- Describe the interaction between Yankee crown, shell thickness, and maximum allowable working pressure (MAWP)
- List best practices for maintenance, repairs, and alterations
- Describe the importance of recordkeeping