Short Notes about Propeller

      If propeller not coming out:

• 5 – 10% extra oil pressure to be applied, if not
• Isolate boss & apply dry ice to shaft, if not
• Heat the boss uniformly with low flame torch at not more them 200^OC, if not
• Ask recommendation from manufacturer.

      Check during propeller fixing:

• Ensure Main engine is not turning (hang notice).
• Test report of seal assembly to be checked.
• Report of tail shaft polishing and magnetic crack detection
• Detail report if propeller repaired.
• Report of propeller polishing and crack detection (LPT)
• Visual inspection of threaded part of the shaft and boss.
• Cleanliness of shaft cone and re - roughen of the surface to be checked.
• When fixing to ensure that makers instruction to be followed.
• Radial reference mark on both propeller & shaft to coincide.
• Final push up pressure according to the temp of the boss, if boss TP↓ move oil pr.
• Loading ring should not come out more then 1/3 of the ring width.
• Distance travel by the boss.

Nut bolt to be wire lashed and cemented