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CHAPTER 1 INTRODUCTION - TM-10-1670-281-23P_20
Figure 1-1. 64-Foot Diameter Cargo Parachute Assembly, Model G-12D, NSN 1670-00-893-2371
Figure 1-2. 64-Foot Diameter Cargo Parachute Assembly, Model G- 12E, NSN 1670-01-065-3755.
Maintenance Forms and Records
Reporting of Equipment Improvement Recommendations (EIR) - TM-10-1670-281-23P_24
Figure 1-3. Parachute Canopy Assembly.
Figure 1-4. Suspension Line and Gore Panel Arrangement and Numbering
Figure 1-5. Deployment Bag
Figure 1-7. 68-Inch Diameter Pilot Parachute
Figure 1-9. 57-Foot Centerline (Model G- 12E only)
Differences Between Models
Safety, are, and Handing
CHAPTER 2 UNIT AND INTERMEDIATE DIRECT SUPPORT (DS) MAINTENANCE INSTRUCTIONS - TM-10-1670-281-23P_32
Special Tools, TMDE and Support Equipment
Initial Receipt - TM-10-1670-281-23P_34
Figure 2-1. Installing Attachment Tie on Parachute Log Record - TM-10-1670-281-23P_35
Figure 2-3. Inside Back Cover of Parachute Log Record - TM-10-1670-281-23P_36
Figure 2-4. Log Record Entries for the Modification Work Order Compliance Record Page - TM-10-1670-281-23P_37
Figure 2-6. Data Entries for a Log Record Note Page - TM-10-1670-281-23P_38
SECTION IV. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - TM-10-1670-281-23P_39
PMCS Procedures
Table 2-1. Unit and Intermediate Direct Support (DS) Preventive Maintenance Checks and Services
SECTION V. UNIT AND INTERMEDIATE DIRECT SUPPORT (DS) MAINTENANCE PROCEDURES - TM-10-1670-281-23P_42
Shakeout and Airing - TM-10-1670-281-23P_43
Figure 2-7. Shakeout - TM-10-1670-281-23P_44
Shakeout and Airing (cont)
Cleaning and Drying - TM-10-1670-281-23P_46
Cleaning and Drying (cont). - TM-10-1670-281-23P_47
Cleaning and Drying (cont). - TM-10-1670-281-23P_48
Cleaning and Drying (cont). - TM-10-1670-281-23P_49
Inspection - TM-10-1670-281-23P_50
Inspection (cont) - TM-10-1670-281-23P_51
Inspection (cont) - TM-10-1670-281-23P_52
Acidity Test - TM-10-1670-281-23P_53
Salt-Water Contamination Test. - TM-10-1670-281-23P_54
Packing the 64-Foot Cargo Parachute, Model G-12D.
Figure 2-8. Rigger's Orientation
Packing the 64-Foot Cargo Parachute, Model G-12D (cont).
Figure 2-9. Canopy Positioned on Packing Surface
Figure 2-11. Removing Turns from Suspension Lines
Figure 2-13. Removing Twists from Suspension Lines
Figure 2-14. Risers, Connector Links and Suspension Clevis in Proper Layout.
Figure 2-15. Canopy Vent Lines Wrapped and Secured
Figure 2-16. Canopy Vent Ties Completed
Figure 2-18. Preparing to Throw Right Group of Gores and Suspension Lines
Figure 2-19. Folding the Right Group of Gores
Figure 2-21. Preparing to Throw Left Group of Gore and Suspension Lines.
Figure 2-22. Folding the Left Gore Group
Figure 2-23. Gore Folding Completed
Packing the 64-Foot Cargo Parachute, Model G-12D (cont) - TM-10-1670-281-23P_69
Figure 2-24. Canopy Ties Completed
Figure 2-25. Suspension Line Ties Completed
Figure 2-27. Connector Link Assemblies Tied
Figure 2-28. Installing Canopy Breakcord Tie.
Figure 2-29. Canopy Breakcord Tie Completed
Packing the 64-Foot Cargo Parachute, Model G-12D (cont) - TM-10-1670-281-23P_75
Figure 2-31. Canopy Stowing Completed
Figure 2-32. Locking Stow Loops Inserted Through Locking Slots
Figure 2-34. Locking Stows Completed
Figure 2-35. Suspension Line Ties Positioned on Suspension Line Retaining Strap Loops
Figure 2-37. Second Suspension Line Stow Completed
Figure 2-38. Suspension Line and Riser Stowage Completed.
Figure 2-39. Suspension Line Stowage Panel Rolled and Inserted Into Bag Open End
Figure 2-40. Making Primary Bag Closing Tie
Figure 2-42. Securing the Left Secondary Bag Closing Loops and Suspension Clevis
Figure 2-43. Packing Completed, G-12D Parachute
Packing the 64Foot Cargo Parachute, Model G-12D (cont)
Figure 2-44. Parachute Bag and Static Line Attached and Gore Folding Completed
Figure 2-45. Canopy Stowed in Bag.
Figure 2-47. Bag Closing Completed
Figure 2-48. Riser Clevis Attached to Breakaway Static Line
Figure 2-49. Riser Clevis Attached to Non-Breakaway Static Line.
Figure 2-50. Packing Completed
Packing the 64 Foot Cargo Parachute, Model G-12E
Figure 2-51. Riggers Orientation.
Packing the 64-Foot Cargo Parachute, Model G-12E (cont) - TM-10-1670-281-23P_95
Figure 2-52. Canopy Positioned on Packing Surface.
Figure 2-54. Removing Turns from Suspension Lines
Figure 2-56. Removing Twists from Suspension Lines
Figure 2-57 . Risers, Connector Links and Suspension Clevis in Proper Layout
Packing the 64-Foot Cargo Parachute, Model G-12E (cont) - TM-10-1670-281-23P_100
Figure 2-58. Serving Canopy Vent
Figure 2-59. Attaching Center Line
Figure 2-61. Preparing to Throw Right Group of Gores and Suspension Lines
Figure 2-62. Folding the Right Group of Gores
Figure 2-64. Folding the Left Gore Group
Packing the 64-Foot Cargo Parachute, Model G-12E (cont) - TM-10-1670-281-23P_106
Figure 2-65. Gore Folding Completed
Figure 2-67. Puling Down Canopy Vent
Figure 2-68. Canopy Vent Lines Alined with Canopy Skirt
Figure 2-69. Center Line Attached to Clevis
Figure 2-70. Tieing the Canopy Lines
Figure 2-72. Tieing Both Groups of Suspension Lines
Figure 2-73. Risers and Connector Link Assemblies in Proper Layout
Figure 2-75. Center Line S-Folded Between Connector Link Stacks
Figure 2-76. Connector Links Tied and Secured
Packing the 64-Foot Cargo Parachute, Model G-12E (cont) - TM-10-1670-281-23P_116
Stowing the canopy - TM-10-1670-281-23P_117
Figure 2-79. Stowing the Canopy Into the Deployment Bag
Figure 2-81. S-Folding Suspension Lines on Top of Stowed Canopy
Figure 2-82. Locking Stow Loops Inserted Through Locking Slots
Figure 2-84. Locking Stows Completed.
Figure 2-85. Suspension Line Stow Ties Installed on Retaining Strap Loops.
Figure 2-86. Forming the First Suspension Line Stow
Figure 2-87. Forming the Second Line Stow
Figure 2-88. Suspension Line, Center Line and Riser Stowage Completed
Figure 2-90. Folding Deployment Bag Closing Flaps.
Figure 2-91. Routing Tie and Tightening Bag Closing Loops.
Figure 2-92. Securing Risers and Center Line Over Bag Closure Flaps
Figure 2-93. Securing Right Secondary Bag Closing Loops
Figure 2-95. Packing Completed, G12E Parachute
Figure 2-95.1. Bag Closing, G-12E
Figure 2-95.2. Locking Stows Completed, G-12E
Figure 2-95.3. Securing Tie Completed, G-12E
Figure 2-95.4. First and Second Suspension Line Stowed, G-12E
Figure 2-95.5. First and Second Suspension Line Stowed, G-12E
Figure 2-95.6. Suspension Line, Center line, and Riser Stowage Completed, G-12E
Figure 2-95.7. Lacing Deployment Bag, G-12E
Figure 2-95.8. Lacing Completed, G-12E
Packing the 68 inch Diameter Pilot Parachute
Figure 2-96. Parachute Bag and Static Line Attached and Gore Folding Completed
Figure 2-97. Canopy Stowed in Bag
Figure 2-99. Bag Closing Completed
Figure 2-100. Riser Clevis Attached to Breakaway Static Line
Figure 2-102. Packing Completed.
Attaching the Pilot Parachute
SECTION VI. REPAIR - TM-10-1670-281-23P_146
Maintenance Limitations
Table 2-2. Sewing Machine Code Symbols - TM-10-1670-281-23P_148
Table 2-3. Stitching and Restitching Specifications - TM-10-1670-281-23P_149
Table 2-3. Stitching and Restitching Specifications (cont) - TM-10-1670-281-23P_150
Figure 2-103. Darning Method Using a Darning Sewing Machine
Figure 2-104. Repair Method Using a Zig-Zag Sewing Machine
Searing and Waxing - TM-10-1670-281-23P_153
Marking and Restenciling - TM-10-1670-281-23P_154
Parachute Canopy - TM-10-1670-281-23P_155
Bridle Loop - TM-10-1670-281-23P_156
Figure 2-105. Canopy Bridle Loop Replacement Details
Vent Reinforcement (Upper Lateral Band) - TM-10-1670-281-23P_158
Figure 2-106. Vent Reinforcement Splicing Details
Vent Reinforcement (Upper Lateral Band) CONT.
Canopy Gore Section
Canopy Gore Section CONT.
Figure 2-107. Basic Patch Application
Figure 2-108. Basic Patching Details Using Parachute Mending Cloth
Table 2-4. Mending Cloth Patching Specifications for Cargo Parachutes
Canopy Gore Section (cont).
Figure 2-109. Common Miscellaneous Patches (Sheet 1 of 4).
Figure 2-109. Common Miscellaneous Patches (Sheet 2 of 4)
Figure 2-109. Common Miscellaneous Patches (Sheet 3 of 4)
Figure 2-109. Common Miscellaneous Patches (Sheet 4 of 4)
Figure 2-110. Normal Gore Section Replacement Details.
Figure 2-111. Modified Gore Section Replacement Details
Canopy Gore Section (cont)
Figure 2-112. Lapped Seams Completed for Multiple Gore Section Replacement
Canopy Line
Canopy Line CONT.
Figure 2-113. Making a Line Splice with Type IV Coreless Nylon Cord
Figure 2-114. Suspension Line Replacement Details
Figure 2-115. Securing Damaged Line to New Line for Line Replacement
Canopy Line (cont) - TM-10-1670-281-23P_180
Canopy Line (cont) - TM-10-1670-281-23P_181
Figure 2-116. Securing Radial Line and Vent Line to Canopy
Canopy Line (cont) - TM-10-1670-281-23P_183
Figure 2-117. Securing Radial Line and Suspension Line to Canopy
Canopy Line (cont) - TM-10-1670-281-23P_185
Canopy Line (cont) - TM-10-1670-281-23P_186
Figure 2-118. Canopy Line Replacement Details
Patching a Radial Seam
Figure 2-119. Radial Seam Patching
Radial Seam Reinforcement Tape
Figure 2-120. Radial Seam Reinforcement Tape Replacement Details
Pocket Band - TM-10-1670-281-23P_192
Figure 2-121. Pocket Band Replacement Details
Skirt Reinforcement (Lower Lateral Band) - TM-10-1670-281-23P_194
Figure 2-122. Skirt Reinforcement (Lower Lateral Band) Splice Details
Suspension Line Reinforcement (V-Tab).
Suspension Line Reinforcement (V-Tab) (cont)
Figure 2-123. V-Tab Replacement Details
Figure 2-124. Suspension Line Reinforcement (V-Tab) Construction Details
Connector Link - TM-10-1670-281-23P_200
Figure 2-125. Connector Link Assembly
Riser - TM-10-1670-281-23P_202
Figure 2-126. Clevis Attaching Loop Buffer Replacement Details
Parachute Inspection Data Pocket (Log Record Pocket)
Suspension Clevis
Deployment Bag - TM-10-1670-281-23P_206
Bridle Breakcord Attaching Loop Buffer
Figure 2-127. Bridle Breakcord Attaching Loop Buffer Replacement Details
Deployment Bag Closing Loops.
Figure 2-128. Bag Closing Loop Replacement Details.
Side flap closing loop
Deployment Bag Edge Binding
Figure 2-129. Deployment Bag Edge Binding Splicing Details
Deployment Bag Bridle strap
Figure 2-130. Bridle Strap Splicing Details
Deployment Bag Horizontal Strap
Figure 2-131. Horizontal Strap Splicing Details
Deployment Bag Panels, Flaps and Cover
Figure 2-132 . Patching Deployment Bag Panels, Flaps and Cover
Deployment Bag Locking Stow Loops
Figure 2-133 . Locking Stow Loop Replacement Details
Figure 2-133.1. Enlarging Locking Stow Loops, G-12E Deployment Bag
Figure 2-133.2. Marking Modified G-12E Deployment Bag
Deployment Bag Locking Stow Slot Reinforcement
Suspension Line Retaining Strap and Strap Loops
Figure 2-134. Suspension Line Retaining Strap Loop Replacement Details
Figure 2-135 . Suspension Line Retaining Strap Replacement Details
Suspension Line Retaining Strap Reinforcement
Figure 2-136. Suspension Line Retaining Strap Reinforcement Splicing Details
Deployment Bag Cluster Tie Webbing.
Figure 2-137. Cluster Tie Webbing Replacement Details
Riser Extension Tie Loop and Tie Strap
Figure 2-138. Riser Extension Tie Strap Replacement Details
Riser Extension Cover End Reinforcement
Vent Line Hole Reinforcement
111-inch Long Deployment Line
68-Inch Pilot Parachute
68-Inch Pilot Parachute CONT.
Figure 2-140. Typical Canopy Panel Patches.
Figure 2-141. Crown Inside Reinforcement Tape Replacement Details.
Canopy reinforcing tape
Figure 2-142. Canopy Crown Attaching Loop Replacement Details.
Figure 2-143. Skirt Reinforcement Webbing Splice Details
Figure 2-144. Suspension Line Reinforcement Tape Replacement Details
Figure 2-145. Splicing a Type III Nylon Cord Suspension Line
68-Inch Pilot Parachute (cont) - TM-10-1670-281-23P_246
Figure 2-146. Making a Line Splice with Type II coreless Nylon Cord.
Figure 2-147. Method of Attaching a Type III Nylon Cord Suspension Line to a Connector Link
68-Inch Pilot Parachute (cont) - TM-10-1670-281-23P_249
Figure 2-148. Method of Attaching a Type 11 Coreless Nylon Cord Suspension Line to a Connector Link
Static Line.
Figure 2-149. Bridle Bag Edge Binding Splicing Details
Figure 2-150. Replacing Clevis Pin Retaining Cord
Figure 2-151. Forming Riser Clevis Safety Pin
Figure 2-152. Bridle Line Construction Details
Figure 2-153. Bridle Line Attachment Details
Figure 2-154. Pilot Parachute Bag Tiedown Loop Replacement Details
57-Foot Centerline (G-12E Parachute)
In-Storage Inspection.
Shipment - TM-10-1670-281-23P_260
APPENDIX A REFERENCES - TM-10-1670-281-23P_261
APPENDIX B MAINTENANCE ALLOCATION CHART SECTION I. INTRODUCTION - TM-10-1670-281-23P_262
Explanation of Columns in the MAC, Section II - TM-10-1670-281-23P_263
SECTION II. MAINTENANCE ALLOCATION CHART
64 FOOT DIAMETER CARGO PARACHUTE ASSEMBLY, MODELS G-12D AND G-12E (cont
64 FOOT DIAMETER CARGO PARACHUTE ASSEMBLY, MODELS G-12D AND G-12E (cont)\
64 FOOT DIAMETER CARGO PARACHUTE ASSEMBLY, MODELS G-12D AND G-12E (cont) - TM-10-1670-281-23P_267
64 FOOT DIAMETER CARGO PARACHUTE ASSEMBLY, MODELS G-12D AND G-12E (cont) - TM-10-1670-281-23P_268
SECTION lII. TOOL AND TEST EQUIPMENT REQUIREMENTS
SECTION IV. REMARKS - TM-10-1670-281-23P_270
APPENDIX C REPAIR PARTS AND SPECIAL TOOLS LIST SECTION I. INTRODUCTION - TM-10-1670-281-23P_271
SMR Code (Column (2))
Explanation of Columns (Sections II and III) CONT.
Maintenance code - TM-10-1670-281-23P_274
Recoverability code - TM-10-1670-281-23P_275
Explanation of Columns (Section IV) - TM-10-1670-281-23P_276
Special Information - TM-10-1670-281-23P_277
Abbreviations. - TM-10-1670-281-23P_278
Figure C-1. 64-Foot Diameter Cargo Parachute Model G- 12D (PN 55A6045) and Model G-12E (PN 11-1-2620).
GROUP 00 PARACHUTE, CARGO, 64 FOOT DIAMETER, MODELG-12D AND G-12E
Figure C-2. 64-Foot Cargo Canopy, PN 48K6076 (Sheet 1 of 2)
Figure C-2. 64-Foot Cargo Canopy, PN 48K6076 (Sheet 2 of 2)
GROUP 01 CANOPY; CARGO, 64-FOOT
Figure C-3. Parachute Deployment Bag, PN 54K6299
GROUP 02 DEPLOYMENT BAG
Figure C-4. Deployment Line
GROUP 03 DEPLOYMENT LINE
Figure C-5. Pilot Chute, PN 53E6803
GROUP 04 PILOT CHUTE
Figure C-6. Cargo Parachute Static Line, PN 59J6171
GROUP 05 STATIC LINE, CARGO
Figure C-7. Centerline
GROUP 06 CENTERLINE
GROUP 99 BULK MATERIALS - TM-10-1670-281-23P_294
CROSS-REFERENCE INDEXES NATIONAL STOCK NUMBER INDEX - TM-10-1670-281-23P_295
CROSS-REFERENCE INDEXES PART NUMBER INDEX - TM-10-1670-281-23P_296
CROSS-REFERENCE INDEXES PART NUMBER INDEX (cont) - TM-10-1670-281-23P_297
Appendix D. EXPENDABLE/DURABLE SUPPLIES LIST
Section II. EXPENDABLE/DURABLE SUPPLIES LIST
EXPENDABLE/DURABLE SUPPLIES LIST (cont) - TM-10-1670-281-23P_300
EXPENDABLE/DURABLE SUPPLIES LIST (cont) - TM-10-1670-281-23P_301
EXPENDABLE/DURABLE SUPPLIES LIST (cont) - TM-10-1670-281-23P_302
Figure E-1. Splicing Aid Fabrication.
INDEX - TM-10-1670-281-23P_304
INDEX (cont) - TM-10-1670-281-23P_305
INDEX (cont) - TM-10-1670-281-23P_306
INDEX (cont) - TM-10-1670-281-23P_307
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