Rolls-Royce 1004227 User Manual
Page 56
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’