CHAPTER 72
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TABLE OF CONTENTS
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SUBJECT_______ CH/SE/SU _ PAGE EFFECTIVITY
________ C ____ ___________ General 1 ALL Description 1 ALL
Front Shaft 1 ALL Disk 1 ALL Rear Shaft 1 ALL Front Outer Seal 1 ALL Blades 1 ALL
HPT ROTOR ASSEMBLY 72-52-00
INSPECTION/CHECK 601 ALL Borescope Inspection of the 601 ALL High-Pressure Turbine Blades (from the rear) Borescope Inspection of the 616 ALL High-Pressure Turbine Blades (from the rear) Borescope Inspection of the High 630 ALL Pressure Turbine Rotor Blade (from the front) Borescope Inspection of the High 640 ALL Pressure Turbine Rotor Blade (from the front)
HPT SHROUD AND STAGE 1 LPT NOZZLE 72-53-00 ASSEMBLY DESCRIPTION AND OPERATION 1 ALL
General 1 ALL HPT shroud and stage 1 LPT 1 ALL nozzle assembly
Description 1 ALL HPT shroud and stage 1 LPT 1 ALL nozzle assembly
HPT SHROUD AND STAGE 1 LPT NOZZLE 72-53-00
ASSEMBLY
INSPECTION/CHECK 601 ALL Borescope/Inspection of the Stage 601 ALL 1 Low-Pressure Turbine Nozzle Assembly Borescope/Inspection of the 609 ALL High-Pressure Turbine Shroud
LPT ROTOR/STATOR ASSEMBLY 72-54-00 DESCRIPTION AND OPERATION 1 ALL
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CHAPTER 72
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ENGINE
TABLE OF CONTENTS
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SUBJECT_______ CH/SE/SU _ PAGE EFFECTIVITY________ C ____ ___________
General 1 ALL The low pressure turbine (LPT) 1 ALL module is a 4-stage axial-flow turbine.
Description 1 ALL LPT Stator Assembly 1 ALL LPT Rotor Assembly 4 ALL
LPT ROTOR/STATOR ASSEMBLY 72-54-00
INSPECTION/CHECK 601 ALL Inspection of the Stage 1-3 Blades 601 ALL Inspection of the Stage 4 Blades 621 ALL Inspection of the Stage 2-4 Nozzle 630 ALL Segments Inspection of the Stage 2-4 Nozzle 637 ALL Segments Inspection of the Stage 1-4 644 ALL Stationary Air Seals Optional Visual Inspection of the 651 ALL Stage 4 Blades from the Rear of the Engine Inspection of the Turbine Case 660 ALL Inspection of the Turbine Case 665 ALL General Visual Inspection of 671 ALL Piping of LPT Case Air Cooling General Visual Inspection of 675 ALL Piping of LPT Case Air Cooling
LPT SHAFT 72-55-00
DESCRIPTION AND OPERATION 1 ALL General 1 ALL Low pressure turbine shaft 1 ALL Description 1 ALL Low pressure Turbine Shaft 1 ALL No. 4 Bearing 5 ALL No. 5 Bearing 5 ALL
LPT SHAFT 72-55-00
MAINTENANCE PRACTICES 201 ALL Replacement of LPT Shaft Plug 201 ALL O-rings
TURBINE FRAME ASSEMBLY 72-56-00 DESCRIPTION AND OPERATION 1 ALL
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________ C ____ ___________ General 1 ALL Description 1 ALL
Turbine Frame with Radial Struts 1 001-049, 052-099 101-105, 151-154 201-207,
No. 5 Bearing Support for 10 001-049, 052-099 Turbine Frame with Radial Struts 101-105, 151-154
201-207, Turbine Frame with Tangential 10 051-051, Non Symetrical Section Struts No. 5 Bearing Support for 14 051-051, Turbine Frame with Tangential Non Symetrical Section Struts Turbine Frame with Tangential 16 106-149, 155-199 Symetrical Section Struts 208-299, 301-399
401-499, No. 5 Bearing Support for 17 106-149, 155-199 Turbine Frame with Tangential 208-299, 301-399 Symetrical Section Struts 401-499,
TURBINE FRAME ASSEMBLY 72-56-00
REMOVAL/INSTALLATION 401 ALL
Removal of the Flame Arrestor and 401 ALL
Flange Assembly
Installation of the Flame Arrestor 408 ALL
and Flange Assembly
Removal of the Oil Inlet Cover 414 ALL
Assembly
Installation of the Oil Inlet 427 ALL
Cover Assembly
TURBINE FRAME ASSEMBLY 72-56-00
INSPECTION/CHECK 601 ALL
Inspection/Check of the Turbine 601 ALL
Frame Assembly
TURBINE FRAME ASSEMBLY 72-56-00
CLEANING/PAINTING 701 ALL
Cleaning of the Oil Inlet Cover 701 ALL
Cleaning of the Aft Sump Oil 705 ALL
Supply Tube
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