Necessity:

Removal of Contaminants: Eliminates debris, sludge, and residual oil during maintenance or before introducing new oil.
Preventing Cross-Contamination: Essential when changing oil types or after component failure.
Ensuring System Cleanliness: Maintains optimal operating conditions and prevents damage.
Performance:

Drain Existing Oil: Remove as much old oil as possible.
Circulate Flushing Fluid: Use a compatible flushing oil or fluid to circulate through the system.
Operate System Components: Activate pumps and valves to ensure thorough cleaning.
Filter During Flushing: Use filters to capture dislodged contaminants.
Repeat if Necessary: Multiple flushes may be required for heavily contaminated systems.
Refill with New Oil: After flushing, drain the flushing fluid and refill with new turbine oil.
Proper flushing protects the system and ensures the new oil performs effectively.