Section I INTRODUCTION - TM-1-1520-253-230022
GENERAL INFORMATION - TM-1-1520-253-230023
Table 1-1. Supporting Technical Documentation
Table 1-1. Supporting Technical Documentation - Continued
Inspection item Code
METHOD OF INSPECTION
Figure 1-2. General Configuration of CH/MH-47 Helicopter
Figure 1-3. Stations, Water Lines, and Butt Lines
TYPE OF CONSTRUCTION
Engine Group
Figure 1-4. Access Panels, Doors, and Fairings (Sheet 1 of 2)
Figure 1-4. Access Panels, Doors, and Fairings (Sheet 2 of 2)
Table 1-2. Access Panels, Doors, and Fairings
Table 1-2. Access Panels, Doors, and Fairings - Continued - TM-1-1520-253-230036
Table 1-2. Access Panels, Doors, and Fairings - Continued - TM-1-1520-253-230037
NONDESTRUCTIVE INSPECTION METHODS
Selecting the NDI Method
NDI General Safety Precautions
Figure 1-5. Bond Testing Reference Block Displays
Safety precautions During Bond Testing
Table 1-3. Penetrant Procedure (Type I, Method A)
Table 1-4. Penetrant Procedure (Type I, Method B)
Table 1-5. Penetrant Procedure-Portable or Field Application
Table 1-6. Penetrant Procedure (Type I, Method D)
Safety Precautions During Fluorescent Penetrant Inspections
Controlling Excess Fluorescent Penetrant
Magnetic Particle Inspection Equipment
Figure 1-6. Portable Magnetic Particle Inspection Equipment
Demagnetization of Inspection Parts
Safety Precautions During Radiographic Inspections
Safety Precautions During Eddy Current Inspection
Figure 1-7. Signatures of EDM Notches in Test Block
Sorting Metal Using Eddy Current
Safety Precautions During Ultrasonic Inspection
Acceptance/Rejection Criteria
Table 1-7. Equipment Used for NDI
Table 1-8. Materials Used for NDI
Table 1-8. Materials Used for NDI - Continued
Section II ROTOR GROUP
Figure 2-1. Rotor Group
ROTARY-WING HEAD (MT)
Figure 2-2. Rotary-Wing Head
HUB OIL TANK (ET) cont'd
PITCH VARYING SHAFT (MT)
Figure 2-3. Hub Oil tank
PITCH VARYING SHAFT (MT) cont'd
ROTOR HUB (MT)
Figure 2-5. Rotor Hub
VERTICAL HINGE PIN FLANGES (MT)
PITCH VARYING SHAFT BORE LINER (MT)
Figure 2-6. Vertical Hinge Pin Flanges
Figure 2-7. Pitch Varying Shaft Bore Liner
HORIZONTAL HINGE PIN (MT)
Figure 2-8. Horizontal Hinge Pin
CENTRIFUGAL DROOP STOP LUGS (ET)
CENTRIFUGAL DROOP STOP LUGS (ET) cont'd
Figure 2-9. Centrifugal Droop Stop Lugs
CENTRIFUGAL DROOP STOP BOLTS (MT)
Figure 2-10. Centrifugal Droop Stop Bolts
Primary Method. Bond Testing
Inspection Procedure - TM-1-1520-253-230084
Figure 2-11. Rotary-Wing Blade
Backup Method - TM-1-1520-253-230086
Inspection Procedure
Primary Method - TM-1-1520-253-230088
Figure 2-13. Ball Spherical Bearing
Primary Method - TM-1-1520-253-230090
Figure 2-14. Weather Protective Cover
ROTOR HUB LIGHTENING HOLES (ET)
Reference Standard
Figure 2.15C Lift off variation due to nonconductive coating
CRT Display Interpretation
Section III TRANSMISSION/DRIVETRAIN GROUP
Figure 3-1. Transmission / Drivetrain Group
DRIVESHAFT ADAPTERS (ALUMINUM) (ET)
DRIVESHAFT ADAPTERS (STEEL) (MT)
Figure 3-2. Driveshaft Adapters (Aluminum)
FORWARD DRIVESHAFTING TUBES (ET)
Figure 3-3. Driveshaft Adapters (Steel)
Preparation of Part - TM-1-1520-253-230103
Figure 3-4. Forward Driveshafting Tubes
Preparation of Helicopter - TM-1-1520-253-230105
Figure 3-5. Aft Driveshafting Tubes
Primary Method - TM-1-1520-253-230107
Figure 3-6. Engine Driveshaft (Two Piece)
NDI Equipment and Materials - TM-1-1520-253-230109
Figure 3-7. Engine Driveshaft (One Piece)
DRIVESHAFT ADAPTER PLATE (PT)
ENGINE TRANSMISSION ADAPTER (MT)
Figure 3-9. Engine Transmission Adapte
NDI Equipment and Materials - TM-1-1520-253-230114
FORWARD TRANSMISSION SLIDER SHAFT (MT)
Preparation of Helicopter - TM-1-1520-253-230116
FORWARD TRANSMISSION OUTSIDE SURFACE (ET)
NDI Equipment Settings - TM-1-1520-253-230118
Figure 3-12. Forward Transmission Outside Surface
Figure 3-13. Aft Slider Shaft
AFT ROTOR SHAFT (MT)
Figure 3-14. Aft Rotor Shaft
AFT ROTOR SHAFT SUPPORT (ET)
NDI Equipment Settings - TM-1-1520-253-230124
Figure 3-15. Aft Rotor Shaft Support
COMBINING TRANSMISSION OUTSIDE SURFACE (ET)
AFT TRANSMISSION OUTSIDE SURFACE (ET)
Figure 3-16. Combining Transmission Outside Surface
Primary Method - TM-1-1520-253-230129
Figure 3-17. Aft Transmission Outside Surface
ENGINE TRANSMISSION QUILL SHAFT (MT)
ENGINE TRANSMISSION OUTSIDE SURFACE (ET)
Preparation of Helicopter - TM-1-1520-253-230133
Figure 3-19. Engine Transmission Outside Surface
Preparation of Helicopter - TM-1-1520-253-230135
Figure 3-20. Transmission Oil Cooler Assemblies
Section IV AIRFRAME AND LANDING GEAR GROUP
Figure 4-1. Airframe and Landing Gear Group
HONEYCOMB CORES AND PANELS (VOIDS) (BT) - TM-1-1520-253-230139
HONEYCOMB CORES AND PANELS (VOIDS) (BT) - TM-1-1520-253-230140
Figure 4-2. Honeycomb Cores and Panels (Voids)
AIRFRAME STRUCTURES (ET)
NDI Equipment Settings - TM-1-1520-253-230143
Figure 4-3. Airframe Structures
FORWARD TRANSMISSION SUPPORT STRUCTURES (ET)
Figure 4-4. Forward Transmission Support Structures
DYNAMIC ABSORBER SUPPORT STRUCTURE (ET)
NDI Equipment Settings - TM-1-1520-253-230148
Figure 4-5. Dynamic Absorber Support Structure
Preparation of Helicopter - TM-1-1520-253-230150
Figure 4-6. Cabin Equipment Support Structure
Backup Method - TM-1-1520-253-230152
Access
Figure 4-7. Pods
System Securing
Figure 4-8. Pods
RESCUE HATCH LOWER DOOR GEARBOX ASSEMBLY (MT).
Figure 4-9. Rescue Hatch Lower Door Gearbox Assembly
RESCUE HATCH LOWER DOOR GEARBOX HOUSING AND COVER (ET)
ND1 Equipment Settings
Figure 4-10. Rescue Hatch Lower Door Gearbox Housing and Cover
CARGO RAMP (BT)
Inspection Procedure - TM-1-1520-253-230163
Figure 4-11. Cargo Ramp
COMBINING TRANSMISSION SUPPORT FITTINGS AND LONGITUDINAL BEAMS (ET)
NDI Equipment Settings - TM-1-1520-253-230166
Figure 4-12. Combining Transmission Support Fittings and Longitudinal Beams
COMPOSITE PYLON HINGED FAIRINGS (WORK PLATFORM) (BT)
NDI Equipment Settings - TM-1-1520-253-230169
Figure 4-13. Composite Pylon Hinged Fairings (Work Platform)
FORWARD LANDING GEAR SUPPORT STRUCTURE (ET)
Preparation of Helicopter - TM-1-1520-253-230172
LANDING GEAR WHEEL (ET)
Preparation of Part - TM-1-1520-253-230174
Figure 4-15. Landing Gear Wheel
LANDING GEAR AXLE (MT)
Figure 4-16. Landing Gear Axle
AFT LANDING GEAR STRUCTURE (ET)
Figure 4-17. Forward Landing Gear Strut Piston Tube
NDI Equipment Settings - TM-1-1520-253-230180
Figure 4-18. Aft Landing Gear Structure
FORWARD LANDING GEAR TORQUE ARM (ET)
LOWER DRAG LINK ASSEMBLY HARDWARE (MT)
NDI Equipment and Materials - TM-1-1520-253-230184
Figure 4-20. Lower Drag Link Assembly Hardware
LOWER DRAG LINK (ET)
Figure 4-21. Lower Drag Link
CENTER CARGO HOOK (MT)
Figure 4-22. Center Cargo Hook
Preparation of Helicopter - TM-1-1520-253-230190
Figure 4-23. Aft Pylon Equipment Support Structure
Section V ENGINE GROUP
Figure 5-1. Engine Group
ENGINE OIL PUMP, FUEL CONTROL, AND ACCESSORY GEARBOX FLANGES (ET)
ENGINE MOUNT CAPS (ET)
Figure 5-2. Engine Oil Pump, Fuel control, and Accessory Gearbox Flanges
NDI Equipment and Materials - TM-1-1520-253-230197
Figure 5-3. Engine Mount Caps
ENGINE MOUNT ADAPTER (ET)
Figure 5-4. Engine Mount Adapter
FORWARD ENGINE MOUNT STRUCTURE (ET)
Figure 5-5. Forward Engine Mount Structure
AFT ENGINE MOUNT LINK (MT)
Figure 5-6. Aft Engine Mount Link
NDI Equipment and Materials
Inspection Procedure - TM-1-1520-253-230206
AFT ENGINE MOUNT ADAPTER (ET)
Figure 5-8. Aft Engine Mount Adapter
EXHAUST CONE AND STIFFENER (PT).
Figure 5-9. Exhaust Cone and Stiffener
FUEL DRAIN VALVE (PT)
Figure 5-10. Fuel Drain Valve
COMBUSTION CHAMBER HOUSING (PT)
Figure 5-11. Combustion Chamber Housing
FIRESHIELD SECTION (PT)
Figure 5-12. Fireshield Section
Section VI FLIGHT CONTROL GROUP
Figure 6-1. Flight Control Group
ALUMINUM FLIGHT CONTROL SYSTEM CONNECTING LINKS (ET).
STEEL FLIGHT CONTROL SYSTEM CONNECTING LINKS (MT)
Figure 6-2. Aluminum flight Control System Connecting Links
STAINLESS STEEL FLIGHT CONTROL SYSTEM CONNECTING LINKS (PT).
Figure 6-3. Steel Flight Control System Connecting Links
Figure 6-4. Stainless Steel Flight Control System Connecting Links
THRUST CONTROL BELLCRANK AND SUPPORT (ET)
Figure 6-5. Thrust Control Bellcrank and Support
FIRST STAGE CONTROL BELLCRANKS AND SUPPORTS (ET)
SECOND STAGE CONTROL BELLCRANKS AND SUPPORTS (ET)
Figure 6-6. First Stage Control Bellcranks and Supports
Preparation of Helicopter - TM-1-1520-253-230230
Figure 6-7. Second Stage Control Bellcranks and Supports
INTERMEDIATE CONNECTING LINKS (ET)
Figure 6-8. Intermediate Connecting Links
BELLCRANKS AND SUPPORTS, YOKES, AND CONNECTING LINKS (ET)
Figure 6-9. Bellcranks and Supports, Yokes, and Connecting Links
FLIGHT CONTROL RESERVOIRS/COOLERS AND RELATED EQUIPMENT (PT)
Figure 6-10. Flight Control Reservoirs/Coolers and Related Equipment
Appendix A MAINTENANCE ALLOCATION CHART NONDESTRUCTIVE INSPECTION - TM-1-1520-253-230238
NOMENCLATURE OF END ITEMS - TM-1-1520-253-230239
NOMENCLATURE OF END ITEMS - TM-1-1520-253-230240
NOMENCLATURE OF END ITEMS - TM-1-1520-253-230241
NOMENCLATURE OF END ITEMS - TM-1-1520-253-230242
Appendix B EQUIPMENT LISTING - TM-1-1520-253-230244
EQUIPMENT LISTING
EQUIPMENT LISTING cont'd - TM-1-1520-253-230246
EQUIPMENT LISTING cont'd - TM-1-1520-253-230247
Appendix C ILLUSTRATED FIELD MANUFACTURE ITEMS LIST - TM-1-1520-253-230248
Figure C-1. Composite Test Blocks
TM-1-1520-253-23 CH/MH-47 Helicopters Series Manual
GENERAL INFORMATION - TM-1-1520-253-230023
Table 1-1. Supporting Technical Documentation
Table 1-1. Supporting Technical Documentation - Continued
Inspection item Code
METHOD OF INSPECTION
Figure 1-2. General Configuration of CH/MH-47 Helicopter
Figure 1-3. Stations, Water Lines, and Butt Lines
TYPE OF CONSTRUCTION
Engine Group
Figure 1-4. Access Panels, Doors, and Fairings (Sheet 1 of 2)
Figure 1-4. Access Panels, Doors, and Fairings (Sheet 2 of 2)
Table 1-2. Access Panels, Doors, and Fairings
Table 1-2. Access Panels, Doors, and Fairings - Continued - TM-1-1520-253-230036
Table 1-2. Access Panels, Doors, and Fairings - Continued - TM-1-1520-253-230037
NONDESTRUCTIVE INSPECTION METHODS
Selecting the NDI Method
NDI General Safety Precautions
Figure 1-5. Bond Testing Reference Block Displays
Safety precautions During Bond Testing
Table 1-3. Penetrant Procedure (Type I, Method A)
Table 1-4. Penetrant Procedure (Type I, Method B)
Table 1-5. Penetrant Procedure-Portable or Field Application
Table 1-6. Penetrant Procedure (Type I, Method D)
Safety Precautions During Fluorescent Penetrant Inspections
Controlling Excess Fluorescent Penetrant
Magnetic Particle Inspection Equipment
Figure 1-6. Portable Magnetic Particle Inspection Equipment
Demagnetization of Inspection Parts
Safety Precautions During Radiographic Inspections
Safety Precautions During Eddy Current Inspection
Figure 1-7. Signatures of EDM Notches in Test Block
Sorting Metal Using Eddy Current
Safety Precautions During Ultrasonic Inspection
Acceptance/Rejection Criteria
Table 1-7. Equipment Used for NDI
Table 1-8. Materials Used for NDI
Table 1-8. Materials Used for NDI - Continued
Section II ROTOR GROUP
Figure 2-1. Rotor Group
ROTARY-WING HEAD (MT)
Figure 2-2. Rotary-Wing Head
HUB OIL TANK (ET) cont'd
PITCH VARYING SHAFT (MT)
Figure 2-3. Hub Oil tank
PITCH VARYING SHAFT (MT) cont'd
ROTOR HUB (MT)
Figure 2-5. Rotor Hub
VERTICAL HINGE PIN FLANGES (MT)
PITCH VARYING SHAFT BORE LINER (MT)
Figure 2-6. Vertical Hinge Pin Flanges
Figure 2-7. Pitch Varying Shaft Bore Liner
HORIZONTAL HINGE PIN (MT)
Figure 2-8. Horizontal Hinge Pin
CENTRIFUGAL DROOP STOP LUGS (ET)
CENTRIFUGAL DROOP STOP LUGS (ET) cont'd
Figure 2-9. Centrifugal Droop Stop Lugs
CENTRIFUGAL DROOP STOP BOLTS (MT)
Figure 2-10. Centrifugal Droop Stop Bolts
Primary Method. Bond Testing
Inspection Procedure - TM-1-1520-253-230084
Figure 2-11. Rotary-Wing Blade
Backup Method - TM-1-1520-253-230086
Inspection Procedure
Primary Method - TM-1-1520-253-230088
Figure 2-13. Ball Spherical Bearing
Primary Method - TM-1-1520-253-230090
Figure 2-14. Weather Protective Cover
ROTOR HUB LIGHTENING HOLES (ET)
Reference Standard
Figure 2.15C Lift off variation due to nonconductive coating
CRT Display Interpretation
Section III TRANSMISSION/DRIVETRAIN GROUP
Figure 3-1. Transmission / Drivetrain Group
DRIVESHAFT ADAPTERS (ALUMINUM) (ET)
DRIVESHAFT ADAPTERS (STEEL) (MT)
Figure 3-2. Driveshaft Adapters (Aluminum)
FORWARD DRIVESHAFTING TUBES (ET)
Figure 3-3. Driveshaft Adapters (Steel)
Preparation of Part - TM-1-1520-253-230103
Figure 3-4. Forward Driveshafting Tubes
Preparation of Helicopter - TM-1-1520-253-230105
Figure 3-5. Aft Driveshafting Tubes
Primary Method - TM-1-1520-253-230107
Figure 3-6. Engine Driveshaft (Two Piece)
NDI Equipment and Materials - TM-1-1520-253-230109
Figure 3-7. Engine Driveshaft (One Piece)
DRIVESHAFT ADAPTER PLATE (PT)
ENGINE TRANSMISSION ADAPTER (MT)
Figure 3-9. Engine Transmission Adapte
NDI Equipment and Materials - TM-1-1520-253-230114
FORWARD TRANSMISSION SLIDER SHAFT (MT)
Preparation of Helicopter - TM-1-1520-253-230116
FORWARD TRANSMISSION OUTSIDE SURFACE (ET)
NDI Equipment Settings - TM-1-1520-253-230118
Figure 3-12. Forward Transmission Outside Surface
Figure 3-13. Aft Slider Shaft
AFT ROTOR SHAFT (MT)
Figure 3-14. Aft Rotor Shaft
AFT ROTOR SHAFT SUPPORT (ET)
NDI Equipment Settings - TM-1-1520-253-230124
Figure 3-15. Aft Rotor Shaft Support
COMBINING TRANSMISSION OUTSIDE SURFACE (ET)
AFT TRANSMISSION OUTSIDE SURFACE (ET)
Figure 3-16. Combining Transmission Outside Surface
Primary Method - TM-1-1520-253-230129
Figure 3-17. Aft Transmission Outside Surface
ENGINE TRANSMISSION QUILL SHAFT (MT)
ENGINE TRANSMISSION OUTSIDE SURFACE (ET)
Preparation of Helicopter - TM-1-1520-253-230133
Figure 3-19. Engine Transmission Outside Surface
Preparation of Helicopter - TM-1-1520-253-230135
Figure 3-20. Transmission Oil Cooler Assemblies
Section IV AIRFRAME AND LANDING GEAR GROUP
Figure 4-1. Airframe and Landing Gear Group
HONEYCOMB CORES AND PANELS (VOIDS) (BT) - TM-1-1520-253-230139
HONEYCOMB CORES AND PANELS (VOIDS) (BT) - TM-1-1520-253-230140
Figure 4-2. Honeycomb Cores and Panels (Voids)
AIRFRAME STRUCTURES (ET)
NDI Equipment Settings - TM-1-1520-253-230143
Figure 4-3. Airframe Structures
FORWARD TRANSMISSION SUPPORT STRUCTURES (ET)
Figure 4-4. Forward Transmission Support Structures
DYNAMIC ABSORBER SUPPORT STRUCTURE (ET)
NDI Equipment Settings - TM-1-1520-253-230148
Figure 4-5. Dynamic Absorber Support Structure
Preparation of Helicopter - TM-1-1520-253-230150
Figure 4-6. Cabin Equipment Support Structure
Backup Method - TM-1-1520-253-230152
Access
Figure 4-7. Pods
System Securing
Figure 4-8. Pods
RESCUE HATCH LOWER DOOR GEARBOX ASSEMBLY (MT).
Figure 4-9. Rescue Hatch Lower Door Gearbox Assembly
RESCUE HATCH LOWER DOOR GEARBOX HOUSING AND COVER (ET)
ND1 Equipment Settings
Figure 4-10. Rescue Hatch Lower Door Gearbox Housing and Cover
CARGO RAMP (BT)
Inspection Procedure - TM-1-1520-253-230163
Figure 4-11. Cargo Ramp
COMBINING TRANSMISSION SUPPORT FITTINGS AND LONGITUDINAL BEAMS (ET)
NDI Equipment Settings - TM-1-1520-253-230166
Figure 4-12. Combining Transmission Support Fittings and Longitudinal Beams
COMPOSITE PYLON HINGED FAIRINGS (WORK PLATFORM) (BT)
NDI Equipment Settings - TM-1-1520-253-230169
Figure 4-13. Composite Pylon Hinged Fairings (Work Platform)
FORWARD LANDING GEAR SUPPORT STRUCTURE (ET)
Preparation of Helicopter - TM-1-1520-253-230172
LANDING GEAR WHEEL (ET)
Preparation of Part - TM-1-1520-253-230174
Figure 4-15. Landing Gear Wheel
LANDING GEAR AXLE (MT)
Figure 4-16. Landing Gear Axle
AFT LANDING GEAR STRUCTURE (ET)
Figure 4-17. Forward Landing Gear Strut Piston Tube
NDI Equipment Settings - TM-1-1520-253-230180
Figure 4-18. Aft Landing Gear Structure
FORWARD LANDING GEAR TORQUE ARM (ET)
LOWER DRAG LINK ASSEMBLY HARDWARE (MT)
NDI Equipment and Materials - TM-1-1520-253-230184
Figure 4-20. Lower Drag Link Assembly Hardware
LOWER DRAG LINK (ET)
Figure 4-21. Lower Drag Link
CENTER CARGO HOOK (MT)
Figure 4-22. Center Cargo Hook
Preparation of Helicopter - TM-1-1520-253-230190
Figure 4-23. Aft Pylon Equipment Support Structure
Section V ENGINE GROUP
Figure 5-1. Engine Group
ENGINE OIL PUMP, FUEL CONTROL, AND ACCESSORY GEARBOX FLANGES (ET)
ENGINE MOUNT CAPS (ET)
Figure 5-2. Engine Oil Pump, Fuel control, and Accessory Gearbox Flanges
NDI Equipment and Materials - TM-1-1520-253-230197
Figure 5-3. Engine Mount Caps
ENGINE MOUNT ADAPTER (ET)
Figure 5-4. Engine Mount Adapter
FORWARD ENGINE MOUNT STRUCTURE (ET)
Figure 5-5. Forward Engine Mount Structure
AFT ENGINE MOUNT LINK (MT)
Figure 5-6. Aft Engine Mount Link
NDI Equipment and Materials
Inspection Procedure - TM-1-1520-253-230206
AFT ENGINE MOUNT ADAPTER (ET)
Figure 5-8. Aft Engine Mount Adapter
EXHAUST CONE AND STIFFENER (PT).
Figure 5-9. Exhaust Cone and Stiffener
FUEL DRAIN VALVE (PT)
Figure 5-10. Fuel Drain Valve
COMBUSTION CHAMBER HOUSING (PT)
Figure 5-11. Combustion Chamber Housing
FIRESHIELD SECTION (PT)
Figure 5-12. Fireshield Section
Section VI FLIGHT CONTROL GROUP
Figure 6-1. Flight Control Group
ALUMINUM FLIGHT CONTROL SYSTEM CONNECTING LINKS (ET).
STEEL FLIGHT CONTROL SYSTEM CONNECTING LINKS (MT)
Figure 6-2. Aluminum flight Control System Connecting Links
STAINLESS STEEL FLIGHT CONTROL SYSTEM CONNECTING LINKS (PT).
Figure 6-3. Steel Flight Control System Connecting Links
Figure 6-4. Stainless Steel Flight Control System Connecting Links
THRUST CONTROL BELLCRANK AND SUPPORT (ET)
Figure 6-5. Thrust Control Bellcrank and Support
FIRST STAGE CONTROL BELLCRANKS AND SUPPORTS (ET)
SECOND STAGE CONTROL BELLCRANKS AND SUPPORTS (ET)
Figure 6-6. First Stage Control Bellcranks and Supports
Preparation of Helicopter - TM-1-1520-253-230230
Figure 6-7. Second Stage Control Bellcranks and Supports
INTERMEDIATE CONNECTING LINKS (ET)
Figure 6-8. Intermediate Connecting Links
BELLCRANKS AND SUPPORTS, YOKES, AND CONNECTING LINKS (ET)
Figure 6-9. Bellcranks and Supports, Yokes, and Connecting Links
FLIGHT CONTROL RESERVOIRS/COOLERS AND RELATED EQUIPMENT (PT)
Figure 6-10. Flight Control Reservoirs/Coolers and Related Equipment
Appendix A MAINTENANCE ALLOCATION CHART NONDESTRUCTIVE INSPECTION - TM-1-1520-253-230238
NOMENCLATURE OF END ITEMS - TM-1-1520-253-230239
NOMENCLATURE OF END ITEMS - TM-1-1520-253-230240
NOMENCLATURE OF END ITEMS - TM-1-1520-253-230241
NOMENCLATURE OF END ITEMS - TM-1-1520-253-230242
Appendix B EQUIPMENT LISTING - TM-1-1520-253-230244
EQUIPMENT LISTING
EQUIPMENT LISTING cont'd - TM-1-1520-253-230246
EQUIPMENT LISTING cont'd - TM-1-1520-253-230247
Appendix C ILLUSTRATED FIELD MANUFACTURE ITEMS LIST - TM-1-1520-253-230248
Figure C-1. Composite Test Blocks
TM-1-1520-253-23 CH/MH-47 Helicopters Series Manual
