Filter
Top Products
EPRI Proprietary Licensed Material
RB 211 Maintenance Scope
B-11
− RN 5017 – Log Book Cyclic Life Information
− RN 5024 – HP Turbine Blade Check Procedure
− RN 5033 – Fatigue failures of Compressor, turbine rotor blades and stator vanes
− RN 5039 – Inspection standard for HP turbine blades
− OIA 005 – HPT blades for thermal cracking
− MOD 1167 – Single life bolts
• Dimensionally inspect the Panel Support and Rotor Disc Location.
• In conjunction with the OEM and Customer, review the HP turbine creep life.
• Consign HP turbine blades for weld repair of the outer shroud abutment and non-abutment
faces to MOD 1130 & 1131 Sermaloy ‘J’ Coating.
• Overhaul process HP Turbine Disc and front rear cones.
• Inspect rear bearing track and seals.
• Inspect all rotating seals.
• Visually inspect all Remaining Components.
• Rebuild and rebalance the HP Turbine Rotor as per standard procedures.
Nozzle Case and Nozzle Vanes HP (Section 1081)
• Detail Strip, Clean and Inspect.
• Embody the following:
− RN 5012 – Acceptance standard of the cooling tube in HP NGV’s.
− RN 5022 – Restricted usage of Nimonic 80A fasteners.
− RN 5033 – Fatigue failures of compressor, turbine rotor blades and stator vanes.
− OIA 043 – Revised HP Turbine honeycomb seal clearances.
• Inspect the HP Seal Segments, repair and renew the Honeycomb seals as necessary.
• Consign the HP NGV’s for repair, as required, and re-protection with Sermaloy ‘J’ coating in
accordance with MOD 1110.
• Rebuild the HP Nozzle cases as per standard procedures.
Attachment Parts and Fittings Combustion Liners (Section 1088)
• Detail Strip, Clean and Inspect.
Attachment Fittings Combustion Outer Case (Section 1089)
• Detail Strip, Clean and Inspect.