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Please note that Gas Power Customer Training will be temporarily unavailable from Friday, February 16, 2024 4:00 PM  until Sunday, February 18, 2024 8:00 PM, Eastern Time, as we improve the site to make your learning experience better.


**Remote Delivery of certain Instructor-led Open Enrollment and Site Specific courses is now available!**

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Heavy Duty Gas Turbines (Distance Learning): Gas Turbine - 6 7 9 B E F Class Maintenance Familiarization (Distance Learning)

There are currently no Courses Scheduled for Gas Turbine - 6 7 9 B E F Class Maintenance Familiarization (Distance Learning).

Course Description

Course Description

This course offers a firm understanding of the basic maintenance requirements of GE heavy duty gas turbines (6, 7, 9, B, E, F class) and their auxiliary support systems. This course does not include any discussions of generators. The course is designed for those persons with power plant mechanical background.

This course is intended for personnel with limited or basic knowledge of GE gas turbine maintenance.


5 Days

Target Audience


Mechanical Maintenance


Participants should have:

  • Instruction is given in English; therefore, a reasonable ability to read and understand spoken English is required
  • Reasonable computer skills

Class Size

Maximum number of students: 8

Learning Objectives

This course will provide basic knowledge on the following:

  • Basic gas turbine component construction and maintenance procedures. Participants receive a fundamental knowledge of auxiliary systems function and preventative maintenance.
  • Basics of gas turbine operating cycle
  • Review of gas turbine major components, equipment arrangements and associated maintenance requirements of each section of the turbine.
  • Turbine operations and the effect on maintenance intervals
  • Purpose, function and routine preventative maintenance of the various turbine support systems such as the lubricating oil, hydraulic, variable inlet guide vanes and fuels




Course Content


  1. Instructor background
  2. Participant background
  3. Course schedule

Lesson 1- Gas Turbine fundmentals

  1. Introduction
  2. Basic Gas Turbine Operating Cycle and Performance Characteristics

Lesson 2- Gas turbine construction

  1. Gas Turbine Glossary of Terms
  2. Navigating GE Service Manuals
  3. Gas Turbine Major Components and Construction
  4. Compressor Rotor Assembly
  5. Turbine Rotor Assembly
  6. Standard Practices
  7. Borescope Inspections

Lesson 3- Scheduled Maintenance

  1. Combustion Inspection

Lesson 4- Scheduled Maintenance

  1. Hot Gas Path Inspections

Lesson 5- Scheduled Maintenance

  1. Major Inspection

Lesson 6- GT Auxiliary Systems

Function and Routine Preventative Maintenance:

  1. Lubricating Oil System
  2. Hydraulic and Lift Oil System
  3. Trip Oil System
  4. Inlet Guide Vane System
  5. Inlet Air and Exhaust System
  6. Control Air
  7. Inlet Air (Bleed) Heating
  8. Cooling and Sealing Air System
  9. Gas Fuel System
  10. Fuel Purge System
  11. Liquid Fuel
  12. Water Injection
  13. Atomizing Air
  14. Seal Oil System