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Structural Repair Instructions – C47 and C47A Airplanes – US Army Airforce Publication – Technical Order No. 01- 40NC-3
Excellent Scanned copy.120 pages scanned as High resolution TIF images and then digitally cleaned page by page. Packed with invaluable data including many Photographs & diagrams (See List below) . This manual contains a wealth of data including photographs of all the major structural components identifying each frame, rib , brace, stringer etc and the tables identify its exact location in each structure and provide information like its part No, Material specification and repair procedure. Manual printed in September 1942 and revised in April 1943. Also included on the CD is an Adobe Acrobat version of the manual for easy browsing (Adobe Reader 7.0 supplied on the CD). Comes in a nicely printed Jewel case. See my other auctions for more vintage aircraft and engine manuals.
Contents
Section I – Introduction
1. General
2. Key to Illustrations
Section II – Repair of Fabric Covering
1. Fabric Covered Ailerons
a. Materials
b. Procedure
c. Covering
d. Sewing
e. Cut – Outs
f. Surface Taping
g. Finish
2. Fabric Covered Control Surfaces
3. Bonding
Section III – Dismantling, Cleaning and Inspection
1. General
2. Dismantling
a. General
b. Precautions
(1) Wing Center Panel
(2) Empennage
(3) Landing Gear
(4) Tail Wheel
(5) Engines
4. Cleaning
a. General
(1) Wings
(2) Empennage
(3) Fuselage
(4) Landing Gear
(5) Tail Wheel
Section IV – Repair Procedure
1. General
2. Procedure
a. Buck Riveting Round head Rivets
b. Buck Riveting 100° Flush Head Rivets
c. Rivet Edge, Pitch and Row Distances
d. Identification of Rivets
e. Removal of Solid Rivets
f. Elongated Rivet Holes
g. Heat Treatment of Material
h. Prevention of Corrosion
i. Straightening and working of Alclad sheet and Stainless Steel
(1) Alclad Sheet
(2) Stainless Steel
j. Inspection
Section V – Control Surface Rebalance
1. General
a. Rudder
b. Elevator
c. Aileron
d. Example
e. Assembly
Section VI – Repair of the Wings
1. Construction
2. Negligible Damage
a. Wing Skin Webs and Wing Ribs
b. Wing Stringers and Extrusions
c. Wing Spar Caps
d. Wing Corrugations
3. For Repair of Any Section in Wing
Section VII – Repair of the Fuselage
1. Construction
2. Negligible Damage
a. Fuselage Skin & Frames
b. Fuselage Stringers and Extrusions
3. For Repair of Any Section in the Fuselage
Section VIII – Repair of the Nacelle
1. Construction
2. Negligible Damage
a. Nacelle Skin and Frames
b. Nacelle Stringers and Extrusions
3. For Repair of any Section in the Nacelle
Section IX – Repair of Empennage and Control Surfaces
1. Construction of Empennage
2. Construction of Control Surfaces
3. Negligible Damage
a. Skin & Frames
b. Stringers and Extrusions
4. For Repair of Any Section in the Empennage or Control Surfaces
Section X – Construction of Landing Gear
1. Construction of Landing Gear
2. Construction of Tail Wheel
3. General Repair
4. Bushing
Section XI – Repair of the Engine Mount
1. Construction
2. Negligible Damage
3. Repair to Damage
4. Check of Alignment
5. Pressure Testing of Repaired Engine Mounts Tubes
Section XII – Miscellaneous Repairs
1. Windows
2. Cables
3. Fittings, Bolts and Fairleads
4. Systems Operating Units
5. Hydraulic System
6. Firewalls, Fairings, Engine Cowling and Fillets
7. Elongated Holes
Section XIII – Repair of the Fuel and Oil System Lines
1. Construction
2. Repair of Tanks
3. Repair of Lines
4. Reinstallation Lines
a. Materials
b. Procedure
(1) First Operation
(2) Second Operation
(3) Final Operation
ILLUSTRATIONS
1. Wing Plating
2. Wing Structure
3. Fuselage Plating
4. Fuselage Structure
5. Nacelle Structure & Plating
6. Empennage Structure & Plating
7. Wing, Empennage and Nacelle Skin Repair
8. Center Wing & Nacelle
9. Repair of Fabric Control Surface
10. Alternate Method of Repairing Fabric Control Surfaces
11. Fuel and Oil Tank Reapir
11A. Rivet Repair
11B. Gas Weld Repair
11C. Repair of Non-Metallic Tanks
12. Procedure for Tying Lines
13. Miscellaneous Repairs – Flanges, Skin Wrinkles, and Stringer Tabs
14. Miscellaneous Repair of Sheet and Elongation Holes
15. Repair methods for Elongated Rivet Holes
16. Methods Drawing for Rivets
17. Methods Drawing for Screws
18. Attach Angle Repair
19. Tank Cover & Wing Joint Attachment
20. Wing Joint Attachment
21. Tank Cover Attach Angle Repair
22. Access Door Installation
23. Stringer Repair
24. Spar Cap Repair
25. Spar Web
26. Center Wing Front Spar
27. Center Wing Center Spar
28. Center Wing Rear Spar
29. Outer Wing Front Spar
30. Outer Wing Main Spar
31. Outer Wing Rear Spar
32. Corrugation Repair & Splice
33. Trailing Edge and Hat Section Repair
34. Wing Rib Repair
35. Rib Repairs in Inner Wing
36. Center Wing – Nose Section Frames
37. Center Wing – Front Section Frames
38. Center Wing – Center Section Frames
39. Center Wing – Trailing Section Frames
40. Outer Wing – Nose Section Frames
41. Outer Wing – Front Section Frames
42. Outer Wing – Center Section Frames
43. Outer Wing – Inboard Trailing Section
44. Outer Wing – Outboard Trailing Section Frames
45. Outer Wing – Tip Frames
46. Cherry Rivet Installation
47. Cherry Rivet Assembly
48. Fuselage Skin Repair
49. Fuselage Windows and Doors
50. Fuselage and Nacelle Frame Repair
51. Fuselage Nose Frames
52. Fuselage Structure
53. Fuselage Frames Upper Section
54. Fuselage Frames Lower Section
55. Fuselage Rear Section Frames
56. Fuselage Tail Cone Frames
57. Nacelle Structure
58. Fuselage Floor Beam Repair
59. Engine Mount Tube Weld Repair
60. Engine Mount Tube and Landing Gear Truss Tube Repair
61. Upper Landing Gear Truss
62. Engine Mount Assembled
63. Torque Tube Repair
64. Empennage and Wing Flap Rib , Beam and Hat Section Repair
65. Horizontal Stabilizer Assembly
66. Elevator Assembly
67. Vertical Stabilizer
68. Aileron Frames with Tab
69. Center and Outer Wing Flap
70. Camouflage Diagram
71. Bonding procedure
72. Warm Air Duct Insulation
73. Surface Control Balance Stand
74. Rudder Rebalance Procedure
75. Rudder Rebalance Computation Chart
76. Elevator Rebalance Procedure
77. Elevator Rebalance Computation Chart
78. Aileron Rebalance Procedure
79. Aileron Rebalance Computation Chart
80. Surface Control Balance Weight Detail
81. Stiffener Sections
81A. Stiffener Sections
81B. Stiffener Sections
81C. Stiffener Sections
81D. Stiffener Sections
TABLES
- Number of Stitches Per Rib
- Design properties
- Allowable Shear Strength of Aluminium Alloy Rivets (and) Allowable Bearing Strength of 24ST Alclad Aluminium Alloy Sheet
- Minimum Bed Radii for forming of Sheet
- Wrench Torque on Bolts
** Note that the sample pages are a much lower resolution than those on the CD.
Manual Sent via First Class Airmail from Australia
Please contact with further enquiries.
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