Filter
Top Products
EPRI Proprietary Licensed Material
RB 211 Maintenance Scope
B-4
• Visually inspect the remainder of the module in the bulk condition (i.e. Curvic Coupling,
thrust bearings).
• Electrically check the N2 Magnetic Speed Sensors and electrical connectors.
• Fit the ‘POOL’ OGV Ring Assembly
04 Module:
Prepare the 04 Module for shipping to Vendor. At Vendor Premises, the module will be
fully overhauled to this workscope.
• Overhaul in accordance with accepted standards.
• Dismantle to detail, clean and inspect.
• Visually and dimensionally, inspect the Burner Sealing Liners.
• Dimensionally inspect ALL of the abradable linings, renew where required.
• Comply with the following Repair Notes and Overhaul Information Alerts:
RN5003 Replacement of HP compressor curvic coupling joint bolts
RN5009 Renew HP compressor bolts in Jethete material at every
Ex-service strip
RN5016 Engine components life limitation data
RN5017 Log book cyclic life information
RN5020 Reduced cyclic life of specific HP compressor rotor Stages
to 2 disc assembly
RN5022 Restricted usage of Nimonic 80A fasteners
RN5024 HP turbine blade check procedure
RN5033 Fatigue failures of compressor, turbine rotor blades and stator vanes
RN5036 Inspection of HP Compressor Stage 3 disc for corrosion
and cracking (at 48,000 hours)
RN5039 Inspection standard for HP turbine blades
0IA005 HPT blades for thermal cracking
0IA032 Stage 5 stator vane feet frettage
0IA035 Stage 5 stator vane failure
0IA037 Stage 5 stator vane platform gaps proforma
0IA043 Revised HP Turbine honeycomb seal clearances
TI30029 Re-protect the outer casing with Sermetal ‘W’