presentation about preparing new maintenance engineers.

1. KAPLAN TURBINE MAIN
MECHANICAL MAINTENANCE
ASPECTS

2. HYDRO TURBINE PREVENTIVE MAINTENANCE
• HYDRAULIC GOVERNER & SERVOMOTORS
• TURBINE BEARING
• INTAKE GATES
• WICKET GATE
• RUNNER HUB & BLADES
• AUXILIARY SYSTEMS

3. Cavitation
• Definition
• Severity of
cavitation
• Methods of repair
• Inspection
• Select best method
• Prepare defected
area
• Apply reparation
• Improvements after
repair

4. •Definition
•Major oil specification
•How to extend your system life
•Periodic oil sample analysis
•Periodic cleaning oil sump
•Keep your sump close
hydraulic oil
monitoring

5. • Run out inspection
• Temperature recording
• Cleaning oil cooler
• Oil sample analyze
• Check oil circulation
Bearing
inspection

6. • H-pressure pump
• Breaks
• Shaft seal & dewatering
system
• lifting
Auxiliary
systems

7. • valves
• pumps
• coolers
• compressors
Things that
must know

8. FINALLY
• ALWAYS DO THE EASIEST THINGS FIRST
• TAKE YOUR TIME IN INSPECTION AND COLLECTING DATA
BEFORE TAKING YOUR DECISION
• DON’T CHANGE ANY PART UNTIL IT OUT OF THE SAFE ZONE

9. •THANK YOU