CFM56-3 Engine Disassembly and Assembly Capability
**** Hidden Message ***** MTU Maintenance ZhuhaiCFM56-3 Engine Disassembly Edited by Li and Assembly Capability - 1 -
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CFM56-3 Engine
Disassembly and Assembly Capability
MTU Maintenance Zhuhai
CFM56-3 Engine Disassembly Edited by Li and Assembly Capability - 2 -
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Disassembly
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3M71-00-00D001 Incoming Inspection
• Visual Inspection of Transportation Damage;
Support Engine on the Pedestals
• Send Engine Cover for Cleaning
• Incoming Inspection
• Borescope Inspection
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3M71-00-02D001 Removal PPBU Components
• Removal of Inlet Cowl Thermal Anti-ice System
• Removal of the Starter, Starter Valve and Duct
System
• Removal of Hydraulic Pump and Plumbing
• Removal of VSCF Generator/Converter Oil Cooler
Plumbing and VSCF Generator/Converter Oil
Cooler // Removal of CSD Oil Cooler Plumbing
and CSD Oil Cooler
• Removal of CSD/AC Cooling Air Duct and CSD/AC
Generator // Removal of VSCF
Generator/Converter Cooling Air Duct and VSCF
Generator/Converter
• Removal of Primary Exhaust Sleeve and Exhaust
Plug
• Removal of Engine Throttle Fuel Control Box
• Removal of Oil Quantity Transmitter
• Removal of Oil Filter Differential Pressure Switch
and Oil Temperature Sensor
• Removal of Low Oil Pressure Warning Switch
• Removal of Oil Pressure Transmitter
• Removal of Pressure Regulating and Shutoff Valve
(PRSOV)
• Removal of Fan Air/Precooler Control Valve
• Incoming Inspection
• Removal of Forward TAI Duct
• Removal of Inlet Cowl
• Removal of PPBU Electrical Components of the
Fan Module
• Removal of PPBU Electrical Components of Core
Module
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3M71-00-02D001 Removal PPBU Components
Continue
• Removal of Fuel Filter Differential Pressure Switch
• Removal of Fuel Inlet Line
• Removal of Fuel Flow Transmitter
• Removal of Oil Tank Scupper Drain Line
• Removal of Oil Filter Differential Pressure Switch
and Oil Temperature Sensor
• Removal of Low Oil Pressure Warning Switch
• Removal of Right Strut Drain Lines
• Removal of Accessory Drain Tubes
• Removal of Left Strut Drain Lines
• Removal of Core Brackets
• Removal of Accessory Gearbox Brackets
• Removal of Fan Case Brackets
• Removal of Extension Ring/5th and 9th Stage Bleed
Control System
• Removal of Extension Ring/Engine Core Drain
Tube
• Removal of Engine Core Drain Tubes
• Removal of Engine Rear Mount Assembly
• Removal of Engine Forward Mount Assembly
• Visually Inspect exposed areas
• Removal of Right and Left Upper Bleed System –
9th Stage // Removal of Left Upper Bleed System –
5th Stage
• Removal of Right and Left Lower Bleed System –
9th Stage // Removal of Left Lower Bleed System –
5th Stage
• Removal of Upper 5th and 9th Bleed Control System
• Removal of Lower Bleed Control System
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3M72-00-00D001 Engine Disassembly
• Preparation for LPT Removal
• LPT Removal
• No. 4 Bearing Compartment Removal
• HPT Shroud/Stage 1 LPT Nozzle Module
Removal
• HPT Rotor Module Removal
• HPT Nozzle Module Removal
• Core Engine Major Module Removal
• Transfer Gearbox Removal
• Accessory Gearbox Module Removal
• Visual Inspection of exposed areas of each
Module
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3M72-00-01D001 Fan Module Disassembly
• Incoming Inspection
• Remove Fan Blades
• Remove Splitter Fairing
• Remove Fan Duct Panels and Close VBVs
• Remove Bolts Attaching Fan Disk to Fan Shaft
• Remove Fan and Booster Module
• Remove LPT Dummy Tube
• Install Fan Booster on Storage Stand
• Remove N1 Speed Sensor
• Remove LPT Coupling Nut
• Remove No.1 and No.2 Bearing Support Assembly
• Install No.1 and No.2 Bearing Support Module on
Stand
• Remove No.1 Bearing Vibration Sensor
• Remove Radial Driveshaft
• Remove Forward Stationary Oil Seal
• Remove Rear Stationary Oil Seal
• Remove Rear Stationary Air/Oil Seal
• Remove Inlet Gearbox and No.3 Bearing Assembly
• Remove Oil Drain Tube
• Remove Protective Floor from Fan Inlet Case
• Visually Inspect exposed areas of Module
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3M72-00-02D001 Core Major Module Disassembly
• Incoming Inspection
• Remove Outside Piping and Brackets
• Remove Variable Stator Vane (VSV)
Assemblies
• Remove Brackets from Forward
Case/Extension Case Flange
• Remove Brackets and Bolts from Pads on
Stator Case
• Remove HPT Shroud/Stage 1 LPT Nozzle
Module
• Remove HPT Rotor Module
• Remove HPT Rotor Front Shaft Damper Sleeve
• Remove each of Stage 6, 7, 8 Borescope Plugs
• Remove Actuation Ring Connecting Links
• Remove HPC Front Stator
• Remove Combustion Assembly
• Remove HPC Rotor
• Perform Visual Inspection of each Subassembly
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3M72-00-03D001 LPT Major Module Disassembly
• Incoming Inspection
• Remove Turbine Frame
• Remove LPT Rotor and Stator Assembly
• Remove LPT Shaft
• Visually Inspect exposed areas of Subassembly
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3M72-00-19D001 Removal of NMP's Fan
• Removal of NMP’s Fan
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3M72-00-32D001 Compressor Front Upper Stator Removal
• Incoming Inspection
• Remove PPBU Parts to permit Upper Stator
Case Removal
• Removal of Compressor Upper Case
• Visually Inspect exposed areas Titanium Compressor
Front Stator
Assembly
(Configuration One)
Steel Compressor
Front Stator
Assembly
(Configuration Two)
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3M72-00-39D001 Removal of NMP's Core & LPT
• Removal of NMP’s for LPT Module Removal
• Removal of NMP’s for Core Module Removal
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3M72-21-00D001 Fan and Booster Disassembly
• Incoming Inspection
• Remove Stage 4 Vane Assembly
• Remove Stage 1 Vane Assembly
• Separate Fan Disk from Booster Spool
• Remove Parts from Booster Spool
• Remove Aft Blade Retainer
• Visually Inspect exposed areas of Module
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3M72-22-00D001 No.1 & No.2 Bearing Support Disassembly
• Incoming Inspection
• Remove No.1 Bearing Oil Scavenge, Air
Pressure and Drain Tubes
• Disassemble No.2 Bearing Support Assembly
• Remove No.1 Bearing Oil Manifold and No.1 &
No.2 Bearing Oil Supply Tube Assembly
• Remove No.2 Bearing Air/Oil Retaining Seal
• Remove Inner Race of No.2 Bearing
• Remove N1 Speed Sensor Ring
• Remove Rotating Air/Oil Separator Retaining
Nut
• Remove Rotating Air/Oil Separator
• Remove No.1 Bearing Inner Race Retaining
Nut
• Remove No.1 Bearing Support Assembly
• Disassemble No.1 Bearing Support Assembly
• Disassemble No.1 Bearing Housing Assembly
• Remove No.1 Bearing Sleeve
• Remove Fan Shaft from
Assembly/Disassembly Support
• Visually Inspect exposed areas of Module
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3M72-23-00D001 Fan Frame Disassembly
• Remove PS12 Air Instrumentation Nipples
• Remove 2 Drain Nipples on Fan Inlet Case
• Remove Fan Case Forward Acoustical Panels
• Remove Mid Acoustical Panel Assemblies
• Remove Fan Outlet Guide Vanes
• Remove Fan Frame Aft Acoustical Panel
Assemblies
• Remove Fan Duct Panels
• Remove OGV Fairing Assembly
• Remove VBV System Components
• Remove Igniter Lead Cooling Air Elbow &
Blanking Parts from VBV Cavity
• Remove Flexible Shaft Ferrules
• Remove No.1 Vibration Sensor Rear Guide
Tube
• Remove Blanking Plates
• Remove AGB Mount Links
• Remove Right and Left Ground Handling Mount
Pins
• Remove Brackets from Flanges of Fan Frame
Assembly
• Separate Inlet Case from Fan Frame
• Remove Fan Frame Strut Internal & External
Parts
• Visually Inspect exposed areas of Module
• Incoming Inspection
• Remove External Tubing and Clamps
• Remove Oil Tank
• Remove Oil Tank Bracket Assemblies
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3M72-31-00D001 Compressor Rotor Assembly - Disassembly
• Incoming Inspection
• Remove Stage 1 Blades
• Remove Stage 2 Blades
• Remove Stage 3 Blades
• Remove Stage 4 Blades
• Remove Stages 5 through 9 Blades
• Remove and discard Seal Wires from Stage 4
through 9
• Disassembly of Compressor Rotor Spool
• Visually Inspect Parts
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3M72-32-00D001 Compressor Front Stator Disassembly
• Incoming Inspection
• Remove IGV Shroud
• Remove Stage 1, 2 and 3 Seal Retainers
• Remove Stage 1, 2 and 3 Shrouds
• Remove Lever Arms and Vanes from IGV and
Stage 3 Vanes
• Remove Actuation Rings from IGV and Stage 1,
2 and 3
• Remove Guide Pads, Setscrews and Self-
Locking Nuts from Actuation Rings
• Remove Lever Arms and Vanes from Stage 1
and 2
• Removal of Vane Sectors, Liner and Sector
Guides (Configuration One) / Removal of Vane
Sectors and Sector Guides (Configuration Two)
• Remove Nuts, Bolts and Stage 5 Bleed
Manifold Segments
• Remove Anti-rotation Stop
• Remove Bolts, Bleed Cover Plates and
Gaskets
• Remove Borescope Plugs
• Visually Inspect Parts
Titanium Compressor
Front Stator
Assembly
(Configuration One)
Steel Compressor
Front Stator
Assembly
(Configuration Two)
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3M72-33-00D001 Compressor Rear Stator Disassembly
Configuration One
Configuration
Two
• Incoming Inspection
• Remove Vane Sectors and Sector/Liner Guides
of a Linered Stator Case
• Remove Vane Sectors and Sector/Liner Guides
of a Linerless Stator Case (SB 72-015 or SB
72-351)
• Remove Liners
• Remove Stage 6, 7 & 8 Stationary Seals from
Vane Sectors
• Remove Stage 6, 7 & 8 Stationary Seals from
Vane Sectors (SB 72-015 or SB 72-351)
• Remove Spring Loaded Anti-rotation Stop from
Stator Case Half
• Visually Inspect Parts
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3M72-41-00D001 Combustion Assembly - Disassembly
• Incoming Inspection
• Remove HPT Stator Seals
• Remove HPT Aft Outer Seal Support and Seal
Assembly
• Remove HPT Nozzle Assembly
• Remove HPT Nozzle Forward Inner Support
• Remove Combustion Chamber
• Remove HPC Rear Stator Support
• Remove HPT Inner Stationary Seal
• Remove Fuel Drain Manifolds & Fuel Manifolds
• Remove Fuel Nozzle Assemblies
• Visually Inspect exposed areas of Subassemblies
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3M72-42-00D001 Combustion Chamber Disassembly
• Incoming Inspection
• Disassemble Welded Outer Liner Type
Combustion (Configuration One) / Disassemble
Bolted Outer Liner Type Combustion
(Configuration Two)
• Visually Inspect exposed areas of Subassemblies
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3M72-51-00D001 HP Turbine Nozzle Disassembly
• Incoming Inspection
• Remove Double Layer Leaf Seals or Single
Layer Leaf Seals
• Remove Outer Support
• Remove Inner Support
• Remove Nozzle Segments
• Visually Inspect exposed areas of Subassemblies
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3M72-52-00D001 HP Turbine Rotor Disassembly
• Incoming Inspection
• Remove HPT Rear Blade Retainer
• Remove HPT Blade Seals
• Remove HPT Blades
• Remove Balance Weights
• Remove HPT Rear Shaft
• Remove HPT Front Shaft
• Remove HPT Front Seal
• Remove Front Blade Retainer
• Visually Inspect exposed areas of Subassemblies
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3M72-53-00D001 HPT Shroud and Stage 1 LPT Nozzle Assembly -
Disassembly
• Incoming Inspection
• Remove Slabbed-Head Bolts from HPT Shroud
Nozzle Support Forward Flange
• Remove LPT Nozzle Assembly from HPT
Shroud Support Assembly
• Disassemble HPT Shroud
• Visually Inspect exposed areas of Subassemblies
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3M72-54-00D001 LPT Rotor/Stator Assembly - Disassembly
• Incoming Inspection
• Disassembly of Rotor/Stator
• Removal of LPT Shroud Support
• Disassembly of Stage 4 Turbine Disk
• Disassembly of Stage 3 Turbine Disk
• Disassembly of Stage 2 Turbine Disk
• Disassembly of Stage 1 Turbine Disk
• Disassembly of Turbine Air Cooling Air Tube
Assembly
• Visually Inspect exposed areas of Subassemblies
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3M72-55-00D001 LPT Shaft Assembly - Disassembly
• Incoming Inspection
• Removal of No.5 Roller Bearing
• Removal of Center Vent Tube Rear Extension
Duct
• Removal of Center Vent Tube
• Removal of Center Vent Tube Supports
• Removal of Rear Rotating Air/Oil Seal and
Rear Rotating Air Seal
• Removal of Forward Rotating Air Seal
• Removal of LPT Stub Shaft
• Removal of Forward Rotating Oil Seal
• Removal of No.4 Roller Bearing
• Install LPT Shaft in Storage Position
• Install overall protective items on Forward and
Aft Ends of LPT Shaft
• Visually Inspect exposed areas of Subassemblies
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3M72-56-00D001 Turbine Frame Disassembly
• Incoming Inspection
• Removal of Turbine Frame Midstream Fairing
and Rear Cover
• Removal of Blanking Plugs mounted externally
around Turbine Frame
• Removal of No.5 Bearing Overboard Seal Drain
Tube
• Removal of No.5 Bearing Overboard Seal Drain
Flange
• Removal of Clamp and Support Securing No.5
Bearing Oil Supply Tube from Turbine Frame
• Removal of No.5 Bearing Adjusting Sleeve
• Removal of No.5 Bearing Support and Oil
Sump Assembly
• Visually Inspect exposed areas of Subassemblies
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3M72-61-00D001 Inlet Gearbox Assembly - Disassembly
• Incoming Inspection
• Remove No.3 Bearing Front Oil Nozzle
• Remove Radial Drive Shaft Oil Nozzle
• Remove No.3 Bearing Retaining Bolt
• Remove No.3 Bearing Aft Oil Nozzle
• Remove Horizontal Bevel Gear Assembly
• Remove No.3 Bearing Aft Rotating Seal
• Remove No.3 Bearing from Horizontal Bevel
Gear
• Remove No.3 Bearing Lock Nut from Horizontal
Bevel Gear
• Disassemble No.3 Bearing Lock Nut
• Remove Radial Bevel Gear from IBG Housing
• Remove Radial Bevel Gear Lock Nut
• Remove Bearing and Spacer from Radial Bevel
Gear
• Apply Corrosion Preventive Oil
• Visually Inspect exposed areas of Subassemblies
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3M72-62-00D001 Transfer Gearbox Disassembly
• Incoming Inspection
• Disassemble Radial Drive Shaft
• Disassemble Input Bevel Gear
• Remove TGB External Parts
• Disassemble Horizontal Drive Shaft Housing &
Horizontal Bevel Gear
• Visually Inspect exposed areas of Subassemblies
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3M72-63-00D001 Accessory Gearbox Assembly - Disassembly
• Incoming Inspection
• Disassemble Control Alternator 47-Tooth No.1
Drive Gearshaft
• Disassemble Fuel Pump Drive Pad W/31x61,
73 & 41-Tooth No.3, 4 & 5 Gearshafts
• Disassemble 44x73-Tooth No.7 Intermediate
Gear Cluster
• Disassemble 44-Tooth No.9 Lubrication Unit
Drive Gearshaft
• Disassemble 62-Tooth No.2 Handcranking
Drive Gearshaft
• Disassemble 55-Tooth No.6 IDG Drive
Gearshaft
• Disassemble 73-Tooth No.8 Hydraulic Pump
Drive Gearshaft
• Remove AGB Housing Internal Parts
• Remove AGB Housing External Parts
• Visually Inspect exposed areas of Subassemblies
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CFM56-3 Engine Disassembly and Edited by Li Assembly Capability - 30 -
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Assembly
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3M71-00-00A001 Installation
N/A
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3M71-00-02A001 Installation of PPBU Components
• Installation of Extension Ring/5th and 9th Stage
Bleed Control System
• Installation of Fan Case Brackets
• Installation of Accessory Gearbox Brackets
• Installation of Core Brackets
• Installation of Left Strut Drain Lines
• Installation of Accessory Drain Tubes
• Installation of Right Strut Drain Lines
• Installation of Oil Tank Scupper Drain Line
• Installation of Fuel Flow Transmitter
• Installation of Fuel Inlet Line
• Installation of Fuel Filter Differential Pressure
Switch
• Removal of Lower Bleed Control System
• Removal of Upper 5th and 9th Bleed Control System
• Installation of Right and Left Lower 9th Bleed Duct
System and Installation of Lower 5th Stage Bleed
Duct System
• Installation of Right and Left Upper Bleed System
9th Stage / Installation of Left Upper Bleed System
5th Stage
• Preliminary Inspection
• Installation of Engine Forward Mount Assembly
• Installation of Engine Rear Mount Assembly
• Installation of Engine Core Drain Tubes
• Installation of Extension Ring/Engine Core Drain
Tube
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3M71-00-02A001 Installation of PPBU Components
Continue
• Installation of Oil Quantity Transmitter
• Installation of Engine Throttle Fuel Control Box
• Installation of Primary Exhaust Sleeve and Exhaust
Plug
• Installation of CSD/AC Generator Cooling Air Duct
and CSD & AC Generator; Installation of VSCF
Generator/Converter Cooling Air Duct and VSCF
Generator/Converter
• Installation of VSCF Generator/Converter Oil
Cooler Plumbing and VSCF Generator/Converter
Oil Cooler; Installation of CSD Oil Cooler
Plumbing and CSD Oil Cooler
• Installation of Hydraulic Pump and Hydraulic
Plumbing
• Installation of Starter, Starter Valve and Duct
System
• Installation of Inlet Cowl Thermal Anti-ice
System/Installation of Forward TAI Duct
• Installation of PPBU Electrical Components of
Core Module
• Installation of PPBU Electrical Components of Fan
Module
• Final Inspection
• Installation of Fan Air/Pre-Cooler Control Valve
• Installation of Pressure Regulating and Shutoff
Valve (PRSOV)
• Installation of Oil Pressure Transmitter
• Installation of Low Oil Pressure Warning Switch
• Installation of Oil Filter Differential Pressure Switch
and Oil Temperature Sensor
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3M72-00-00A001 Engine Assembly • Installation of Core Module
• Installation of Piping and Hardware between Core
& Fan Module
• Adjustment and Rigging of VBV and VSV Cable
• Installation of Tubes on Fan Module
• Installation of Core Hardware
• Installation of HPT Nozzle Module – Horizontal
Position
• Installation of HPT Rotor Module – Horizontal
Position
• Installation of HPT Shroud and Stage 1 LPT
Nozzle Assembly
• Installation of LPT Major Module
• Installation of additional Parts of LPT Major Module
• Installation of Spinner Rear and Front Cone
• Installation of LPT Air Cooling Tubes & Manifold
Assemblies
• Installation of PMC, Electrical Harness,
Temperature Sensors & Chip Detectors
• Installation of Aft Sump Oil Supply & Scavenge
Tubes & No.5 Bearing Vibration Monitoring Kit
• Installation of T4.95 Wiring Harness
• Complete the List of Complaints
• Final Inspection
• Preliminary Inspection
• Preparation of Fan Major Module for Installation of
TGB
• Installation of ABG
• Installation of CIT T25 Sensor, Timer, Electro-valve
and Hardware
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3M72-00-01A001 Fan Module Assembly
• Installation of Forward Stationary Oil Seal
• Installation of Rear Stationary Oil Seal
• Prepare for Installation of No.1 & No.2 Bearing
Support Assembly
• Installation of No.1 Bearing Vibration Sensor on
No.1 Bearing Support
• Installation of No.1 and No.2 Bearing Support
Assembly
• Installation of No.1 Bearing Vibration Sensor in
Fan Frame
• Perform Rig Test of forward Bearing Sump Internal
Oil Supply Tube
• Installation of N1 Speed Sensor
• Installation of Fan and Booster Rotor/Stator
Assembly
• Installation of Fan Duct Panels
• Installation of Splitter Fairing
• Machining of Abradable Liner
• Installation of Fan Rotor Blades
• Installation of Spinner Rear Cone
• Complete the List of Complaints
• Final Inspection
• Preliminary Inspection
• Installation of Air/Oil Drain Tube
• Installation of IGB & No.3 Bearing Assembly
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3M72-00-02A001 Core Major Module Assembly
• Installation of HPT Rotor
• Compressor Clearance Measurements and
Installation of HPC Linipot Sensor
• Installation of HPC Stators and VSV System
Check
• Installation of each of Stage 6, 7, 8 Borescope
Plugs
• Installation of Actuation Ring Connecting Links
• Installation of Linipot Sensor on HPC Rotor and
perform Runout Measurement
• Installation of VSV Actuation Assemblies
• Installation of Outside Piping and Brackets
• Do VSV System Rig Check
• Installation of External Hardware
• Installation of Linipot Sensor and Cable on HPT
Rotor
• Installation of HPT Shroud/Stage 1 LPT Nozzle
Module
• Measure Runout of HPT Rotor
• Measure and record Core Engine Major Module
Length
• Installation of Outside Piping and Brackets
• Leak Checks and Installation of Core into
• Preliminary Inspection
• Installation of HPC Rotor on Buildup Fixture
• Installation of Combustion Assembly
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3M72-00-03A001 LPT Major Module Assembly
• Preliminary Inspection
• Installation of LPT Shaft
• Preparation of Turbine Frame and LPT
Rotor/Stator Assembly for machining of
Adjusting Sleeve
• Preparation of Turbine Frame and LPT
Rotor/Stator Assembly after machining of
Adjusting Sleeve
• Installation of LPT Rotor and Stator Assembly
• Balancing of LPT Major Module
• Installation of No.5 Bearing Outer Race
• Installation of Turbine Frame
• Final Inspection
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3M72-00-19A001 Installation of NMP's Fan
• Preliminary Inspection
• Installation of CIT T25 Sensor
• Installation of Hardware on TCC Timer & TCC
Timer Electrovalve
• Installation of TCC Timer Tubes
• Installation of TCC Timer
• Installation of Heat Shield onto TCC Timer
Electrovalve
• Installation of Power Management Control
(PMC)
• Installation of Alternator Electrical Lead
Assembly and Control Parameter Wiring
Harness
• Installation of T2 & T12 Temperature Sensors
• Installation of Chip Detector Kit (N/R per SB 79-
0069)
• Final Inspection
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3M72-00-32A001 Installation of Compressor Front Upper Stator
• Preliminary Inspection
• Installation of Upper HPC Front Stator
• Installation of Actuation Ring Connecting Links
on Titanium or Steel Cases
• Installation of Right-side VSV Actuation
Assembly
• Rig VSV System
• Installation of Outside Piping and Brackets
• Installation of Core Engine Items
• Installation of Fan Frame Items
• Final Inspection
Titanium Compressor
Front Stator
Assembly
(Configuration One)
Steel Compressor
Front Stator
Assembly
(Configuration Two)
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Hao
3M72-00-39A001 Installation of NMP's Core & LPT
• CIT Sensor Leak Check
• Installation of Igniters and Ignition Leads
• Installation of Rear Sump Oil Supply Tube & Aft
Sump Oil Scavenge Tube
• Installation of No.5 Bearing Vibration Monitoring Kit
Brackets
• Installation of Turbine Air Cooling Tube and
Manifold Assemblies
• Installation of T4.95 Wiring Harness (6 Probes)
(Configuration One)
• Installation of T4.95 Blanking Plugs
• Installation of T4.95 Extension Wiring Harness (6
Probes) (Configuration One)
• Installation of Left and Right Extension
• Installation of Connector Type 9 Probes Forward
T4.95 Wiring Harness
• Installation of No.5 Bearing Vibration Monitoring Kit
Sensor
• Final Inspection
• Preliminary Inspection
• Installation of VSV Feedback Cable
• Installation of CIT Manifolds
• Installation of 9 o’clock Tube Bundle
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3M72-21-00A001 Fan and Booster Assembly
• Preliminary Inspection
• Assembly of Booster
• Assembly of Fan Disk with Booster Assembly
• Installation of Stage 1 Vane Assembly on Fan
Disk and Booster Assembly
• Balancing of Booster Assembly
• Installation of Stage 4 Vane Assembly
• Final Inspection
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3M72-22-00A001 No.1 & No.2 Bearing Support Assembly
• Preliminary Inspection
• Determine No.1 Bearing Oil Baffle Thickness
• Rework No.1 Bearing Oil Baffle
• Installation of No.1 Bearing Outer Race in Bearing
Housing
• Installation of Bearing Housing on No.1 Bearing
Support
• Installation of No.2 Bearing Outer Race & No.2
Bearing Oil Supply Tube Assembly
• Installation of No.1 Bearing Sleeve
• Installation of Forward Stationary Air/Oil Seal
• Installation of No.1 Bearing Oil Baffle
• Installation of Air Pressurization, Oil Scavenge
and Drain Tubes
• Installation of No.1 Bearing Assembly
• Attachment of Tubes to No.1 Bearing Support
Rear Flange
• Installation of No.1 Bearing Inner Race Retaining
Nut
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3M72-22-00A001 No.1 & No.2 Bearing Support Assembly
Continue
• Installation of Fan Shaft Rotating Air/Oil Separator
• Installation of N1 Sensor Ring
• Installation of No.2 Bearing Inner Race
• Installation of No.2 Air/Oil Retaining Nut
• Installation of No.1 Bearing Oil Manifold and No.1
& No.2 Bearing Oil Supply Tube Assembly
• Impingement Check of No.1 Bearing Oil Nozzle
with air
• Installation of No.2 Bearing Support
• Impingement Check of No.2 Bearing Oil Nozzle
with air
• Check of Dimension LV
• Determination of N1 Speed Sensor Adjustment
Plate Thickness
• Installation of No.1 and No.2 Bearing Support on
Storage Stand
• Final Inspection
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3M72-23-00A001 Fan Frame Assembly
• Preliminary Inspection
• Installation of Fan Frame Strut Internal &
External Parts
• Installation of Brackets on Fan Frame Flanges
• Installation of Vibration Sensor Rear Guide
Tube and Monitoring Parts
• Installation of Variable Bleed Valve (VBV)
System
• Installation of Internal Parts on Fan Frame
• Installation of Oil Tank Assembly and External
Tubing on Fan Frame
• Final Inspection
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3M72-31-00A001 Compressor Rotor Assembly - Assembly
• Preliminary Inspection
• Installation of Blades in Stage 4-9 Spool
• Installation of Blades in Stage 1-2 Spool
• Balancing of Stage 1-2 Spool
• Installation of Blades into Stage 3 Disk
• Balancing of Stage 3 Disk
• Installation of Compressor Rear Rotating (CDP) Air
Seal
• Preliminary Compressor Rotor Balance before Tip
Grind
• Tip Grind on Compressor Rotor Blade
• Compressor Rotor Final Balance after Tip Grind
• Final Inspection
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3M72-32-00A001 Compressor Front Stator Assembly
• Preliminary Inspection
• Installation of Anti-rotation Stop
• Installation of Stage 5 Bleed Manifold
Segments
• Installation of Compressor Stator Case Half on
Installation Stand
• Installation of Stage 1, 2,3 and 4 Liner Sector
Guides and Liner for Liner Gap Measurement
• Apply RTV to Stage 1, 2 and 3 Liner Segments
• Installation of Stage 1, 2 and 3 Liner Segments
• Installation of Stage 4 and 5 Sector Guides,
Vane Sectors and Stationary Seals for Gap
Measurement
• Installation of Stage 5 Liners
• Installation of Stage 4 and 5 Vane Sectors
• Assembly IGV, Stage 1, 2 and 3 Actuation
Rings
• Installation of Stage 3 vanes, Lever Arms,
Actuation Ring, Shrouds and Bushings
• Installation of Stage 2 vanes, Lever Arms,
Actuation Ring, Shrouds and Bushings
• Installation of Stage 1 vanes, Lever Arms,
Actuation Ring, Shrouds and Bushings
Titanium Compressor
Front Stator Assembly
(Configuration One)
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3M72-32-00A001 Compressor Front Stator Assembly
Continue
• Installation of IGV’s, Lever Arms, Actuation
Ring, Shrouds and Bushings
• Measure Stage 1, 2 and 3 Shroud
Circumferential Clearance (End Gaps)
• Apply RTV to Stage 1, 2 and 3 Shrouds and
Pins
• Installation of Stage 1, 2 and 3 Shroud Seal
Retainers
• Assembly of Case Halves
• Measure Circumferential Clearance of IGV
Shrouds, IGV Seal Retainers and Stage 1, 2 &
3 Retainers
• Apply RTV to IGV Shrouds
• Installation of Actuation Ring Connecting Links
on Upper and Lower Ring
• VSV Travel Checks
• Actuation Ring Guide Pad Settings
• Installation of Borescope Plugs
• Measure ID of Compressor Front Stator Shroud
and Seal Retainers
• Flowpath Measurement
• Final Inspection
Steel Compressor Front
Stator Assembly
(Configuration Two)
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3M72-33-00A001 Compressor Rear Stator Assembly
Configuration One
Configuration
Two
• Preliminary Inspection
• Installation of Spring Loaded Anti-rotation Stop
• Installation of Sector Guides and Liners (Config.
One)
• Installation of Sector Guides (Config. Two)
• Measurement of Liner End Gap (Config. One)
• Installation of Liner Grind Spacers (Config. One)
• Preparation of Case for Liner machining (Config.
One)
• Machining of Liners (Config. One)
• Post Machining of Liners (Config. One)
• Installation of Stage 6-8 Vane Sectors and
Seals for Gap Measurement (Config. One)
• Installation of Stage 6-8 Vane Sectors (Config.
Two)
• Installation of Stage 6-8 Vane Sectors and
Stage 6-9 Liners (Config. One)
• Measurement of Compressor Rear Stator
• Measure and record Liner Min.& Max. Radius
• Preparation of Case for Engine assembly
• Final Inspection
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3M72-41-00A001 Combustion Assembly - Assembly
• Installation of Combustion Chamber into
Combustion Case
• Installation of HPT Forward Nozzle Inner Support
into Combustion Case
• Installation of HPT Bolt Shields, Nut Shields and
Bolt Erosion Shields
• Installation of Fuel Nozzles
• Installation of Fuel Manifolds and Fuel Drain
Manifolds
• Leak Check of Fuel Manifolds Assembly
Connections
• Assembly of Fuel Drain Manifold
• Installation of Fuel Drain Manifold Clamps
• Installation of HPT Nozzle Assembly into
Combustion Case
• Subassembly of HPT Aft Outer Seal and Seal
Support
• Installation of HPT Nozzle Aft Stator Seals
• Measurement of Axial Dimension J39F
• Installation of Igniter Bushings
• Final Inspection
• Preliminary Inspection
• Assembly of HPC Rear Stator Support to
Combustion Case
• Assembly of HPT Inner Stationary Seal
• Installation of Borescope Plugs and Cover
Plates
• Assembly of Slabbed Head Bolts to
Combustion Chamber
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3M72-42-00A001 Combustion Chamber Assembly
• Receiving Inspection
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3M72-51-00A001 HP Turbine Nozzle Assembly
• Preliminary Inspection
• Assembly of Nozzle Segments and Seals
• Assembly of Inner Support to Nozzle Segments
• Assembly of Outer Support to Nozzle
Segments
• Assembly of Outer Seals to Forward Flange of
Nozzle Segments Outer Band
• Assembly of Inner Seals to Nozzle Inner Band
• Final Inspection
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3M72-52-00A001 HP Turbine Rotor Assembly
• Preliminary Inspection
• Installation of Front Shaft on Fixture
• Installation of Front Blade Retainer
• Installation of Front Rotating Air Seal
• Installation of Seal/Disk Assembly
• Installation of HPT Rear Shaft
• Installation of HPT Blades and Rear Blade
Retainer
• Initial Balance
• Blade Tip Grind
• Final Balance
• Installation of Seal Strips and Rear Blade
Retainer
• Final Inspection
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3M72-53-00A001 HPT Shroud and Stage 1 LPT Nozzle Assembly -
Assembly
• Preliminary Inspection
• Preparation of HPT Shroud Support Assembly
for assembly
• Installation of Shrouds
• Installation of Outer Seal (Aft Side)
• Installation of Retaining Clips
• Installation of Shroud Aft Seals
• Installation of Inner Shroud Seals
• Assembly of Stage 1 LPT Nozzle Assembly
• Engine Assembly Measurement
• Installation of Retaining Ring
• Preparation of Shroud Grind
• Final Inspection
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3M72-54-00A001 LPT Rotor/Stator Assembly - Disassembly
• Assembly of LPT Stage 4 Disk
• Assembly of LPT Shroud Support and LPT
Case
• Preparation for assembly of LPT Rotor/Stator
on Assembly/Disassembly Fixture
• Installation of LPT Stage 1 Disk Assembly
• Installation of LPT Stage 2 Nozzle
• Installation of LPT Stage 2 Disk Assembly
• Assembly of LPT Stage 3 Nozzle
• Installation of LPT Stage 3 Disk Assembly
• Assembly of LPT Stage 4 Nozzle
• Installation of LPT Stage 4 Disk Assembly
• Installation of T4.95 Plugs
• Installation of LPT Rotor/Stator Assembly on
Storage Stand
• Balancing of LPT Rotor
• Dynamic Balance of LPT Rotor/Stator
Assembly
• Installation of Balance Weights
• Final Inspection
• Preliminary Inspection
• Assembly of LPT Stage 1 Disk
• Assembly of LPT Stage 2 Disk
• Assembly of LPT Stage 3 Disk
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3M72-55-00A001 LPT Shaft Assembly - Assembly
• Preliminary Inspection
• Installation of No.4 Roller Bearing
• Installation of Forward Rotating Oil Seal on
Stub Shaft
• Installation of Forward Rotating Air Seal
• Installation of Rear Rotating Air Seal and Rear
Rotating Air/Oil Seal
• Serviceability Check of Center Vent Tube
Support
• Installation of Center Vent Tube Supports
• Installation of Center Vent Tube
• Installation of LPT Shaft Center Vent Tube
Rear Extension Duct
• Balancing of LPT Shaft Assembly
• Installation of of No.5 Roller Bearing
• Final Inspection
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3M72-56-00A001 Turbine Frame Assembly
• Preliminary Inspection
• Installation of No.5 Bearing Adjusting Sleeve
• Installation of No.5 Bearing Support
• Installation of Oil Sump Assembly
• Installation of Clamp and Support Securing
• Connection of Oil Scavenge Tube Coupling Nut
• Installation of No.5 Bearing Overboard Seal
Drain Tube
• Installation of Turbine Frame Midstream Fairing
and Rear Cover
• Installation of Blanking Plugs
• Final Inspection
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3M72-61-00A001 Inlet Gearbox Assembly - Assembly
• Dimension Checks
• Assemble No.3 Bearing Lock Nut
• Installation of No.3 Bearing Lock Nut on
Horizontal Bevel Gear
• Installation of No.3 Bearing on Horizontal Bevel
Gear
• Installation of No.3 Ball Bearing
• Installation of No.3 Bearing Rotating Seal
• Installation of Horizontal Bevel Gear Shims
• Installation of Horizontal Bevel Gear
• Installation of No.3 Bearing Aft Oil Nozzle
• Installation of No.3 Bearing Retaining Bolt
• Backlash Checks
• Tooth Pattern Check & Dimension P
Calculation
• Installation of Keyed Ring & Retaining Ring
• Backlash and Tooth Pattern Adjustment
• Installation of Oil Nozzles
• IGB Module Final Oil System Flow Check
• Final Inspection
• Preliminary Inspection
• Perform Oil Flow Test
• Installation of Bearings on Radial Bevel Gear
• Installation of Lock Nut on Radial Bevel Gear
• Preassembly of Radial Bevel Gear in IBG
Housing for Determination of Shim Thickness
• Shimming of Radial Bevel Gear
• Final assembly of Radial Bevel Gear in IBG
Housing
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3M72-62-00A001 Transfer Gearbox Assembly
• Preliminary Inspection
• Assembly of Radial Drive Shaft
• Oil Nozzle Impingement Test
• Assemble Input Bevel Gear
• Assemble Horizontal Bevel Gear
• Shimming of Bevel Gear Duo
• Input & Horizontal Bevel Gear Backlash &
Tooth Pattern Check
• Final Assembly of Bevel Gear Duo
• Final Assembly of TGB
• Preparation of TBG for Leak Test
• Final Inspection
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3M72-63-00A001 Accessory Gearbox Assembly - Assembly
• Assembly of 62-Tooth No.2 Handcranking Drive
Gearshaft
• Assembly of 31x61-Tooth No.3 Starter Gear
Cluster
• Assembly of 73-Tooth No.4 Fuel Pump Drive
Gearshaft
• Assembly of 41-Tooth No.5 Intermediate
Gearshaft
• Assembly of 55-Tooth No.6 IDG Drive Gearshaft
• Assembly of 44x73-Tooth No.7 Intermediate
Gear Cluster
• Assembly of 73-Tooth No.8 Hydraulic Pump
Drive Gearshaft
• Assembly of 44-Tooth No.9 Lubrication Unit
Drive Gearshaft
• Installation of Roller Bearing Outer Races in AGB
Housing
• Installation of Gear Assemblies in AGB Housing
• Installation of AGB External Parts
• Installation of Magnetic Seals or Sealol Seals
• Accessory Gearbox Leak Test
• Final Inspection
• Preliminary Inspection
• Installation of Oil Nozzles
• Oil Nozzles Impingement Test
• Assembly of Control Alternator 47-Tooth No.1
Drive Gearshaft 好贴，有5b的么
thank you very much 新的1年到来了，祝你2手抓满钱，事业上3羊开泰，你的烦恼4分5裂，处理好7情6欲，困难距离你10万8千里，最后幸福都99归一。
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