CHAPTER 1 INTRODUCTION - TM-10-1670-281-23P_20Figure 1-1. 64-Foot Diameter Cargo Parachute Assembly, Model G-12D, NSN 1670-00-893-2371Figure 1-2. 64-Foot Diameter Cargo Parachute Assembly, Model G- 12E, NSN 1670-01-065-3755. Maintenance Forms and RecordsReporting of Equipment Improvement Recommendations (EIR) - TM-10-1670-281-23P_24Figure 1-3. Parachute Canopy Assembly.Figure 1-4. Suspension Line and Gore Panel Arrangement and NumberingFigure 1-5. Deployment BagFigure 1-7. 68-Inch Diameter Pilot ParachuteFigure 1-9. 57-Foot Centerline (Model G- 12E only)Differences Between ModelsSafety, are, and HandingCHAPTER 2 UNIT AND INTERMEDIATE DIRECT SUPPORT (DS) MAINTENANCE INSTRUCTIONS - TM-10-1670-281-23P_32Special Tools, TMDE and Support EquipmentInitial Receipt - TM-10-1670-281-23P_34Figure 2-1. Installing Attachment Tie on Parachute Log Record - TM-10-1670-281-23P_35Figure 2-3. Inside Back Cover of Parachute Log Record - TM-10-1670-281-23P_36Figure 2-4. Log Record Entries for the Modification Work Order Compliance Record Page - TM-10-1670-281-23P_37Figure 2-6. Data Entries for a Log Record Note Page - TM-10-1670-281-23P_38SECTION IV. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - TM-10-1670-281-23P_39PMCS ProceduresTable 2-1. Unit and Intermediate Direct Support (DS) Preventive Maintenance Checks and ServicesSECTION V. UNIT AND INTERMEDIATE DIRECT SUPPORT (DS) MAINTENANCE PROCEDURES - TM-10-1670-281-23P_42Shakeout and Airing - TM-10-1670-281-23P_43Figure 2-7. Shakeout - TM-10-1670-281-23P_44Shakeout and Airing (cont)Cleaning and Drying - TM-10-1670-281-23P_46Cleaning and Drying (cont). - TM-10-1670-281-23P_47Cleaning and Drying (cont). - TM-10-1670-281-23P_48Cleaning and Drying (cont). - TM-10-1670-281-23P_49Inspection - TM-10-1670-281-23P_50Inspection (cont) - TM-10-1670-281-23P_51Inspection (cont) - TM-10-1670-281-23P_52Acidity Test - TM-10-1670-281-23P_53Salt-Water Contamination Test. - TM-10-1670-281-23P_54Packing the 64-Foot Cargo Parachute, Model G-12D. Figure 2-8. Rigger's OrientationPacking the 64-Foot Cargo Parachute, Model G-12D (cont).Figure 2-9. Canopy Positioned on Packing SurfaceFigure 2-11. Removing Turns from Suspension LinesFigure 2-13. Removing Twists from Suspension LinesFigure 2-14. Risers, Connector Links and Suspension Clevis in Proper Layout.Figure 2-15. Canopy Vent Lines Wrapped and SecuredFigure 2-16. Canopy Vent Ties CompletedFigure 2-18. Preparing to Throw Right Group of Gores and Suspension LinesFigure 2-19. Folding the Right Group of GoresFigure 2-21. Preparing to Throw Left Group of Gore and Suspension Lines.Figure 2-22. Folding the Left Gore GroupFigure 2-23. Gore Folding CompletedPacking the 64-Foot Cargo Parachute, Model G-12D (cont) - TM-10-1670-281-23P_69Figure 2-24. Canopy Ties CompletedFigure 2-25. Suspension Line Ties CompletedFigure 2-27. Connector Link Assemblies TiedFigure 2-28. Installing Canopy Breakcord Tie.Figure 2-29. Canopy Breakcord Tie CompletedPacking the 64-Foot Cargo Parachute, Model G-12D (cont) - TM-10-1670-281-23P_75Figure 2-31. Canopy Stowing CompletedFigure 2-32. Locking Stow Loops Inserted Through Locking SlotsFigure 2-34. Locking Stows CompletedFigure 2-35. Suspension Line Ties Positioned on Suspension Line Retaining Strap LoopsFigure 2-37. Second Suspension Line Stow CompletedFigure 2-38. Suspension Line and Riser Stowage Completed.Figure 2-39. Suspension Line Stowage Panel Rolled and Inserted Into Bag Open EndFigure 2-40. Making Primary Bag Closing TieFigure 2-42. Securing the Left Secondary Bag Closing Loops and Suspension ClevisFigure 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 CompletedFigure 2-45. Canopy Stowed in Bag.Figure 2-47. Bag Closing CompletedFigure 2-48. Riser Clevis Attached to Breakaway Static LineFigure 2-49. Riser Clevis Attached to Non-Breakaway Static Line.Figure 2-50. Packing CompletedPacking the 64 Foot Cargo Parachute, Model G-12EFigure 2-51. Riggers Orientation.Packing the 64-Foot Cargo Parachute, Model G-12E (cont) - TM-10-1670-281-23P_95Figure 2-52. Canopy Positioned on Packing Surface.Figure 2-54. Removing Turns from Suspension LinesFigure 2-56. Removing Twists from Suspension LinesFigure 2-57 . Risers, Connector Links and Suspension Clevis in Proper LayoutPacking the 64-Foot Cargo Parachute, Model G-12E (cont) - TM-10-1670-281-23P_100Figure 2-58. Serving Canopy Vent Figure 2-59. Attaching Center Line Figure 2-61. Preparing to Throw Right Group of Gores and Suspension LinesFigure 2-62. Folding the Right Group of GoresFigure 2-64. Folding the Left Gore GroupPacking the 64-Foot Cargo Parachute, Model G-12E (cont) - TM-10-1670-281-23P_106Figure 2-65. Gore Folding CompletedFigure 2-67. Puling Down Canopy VentFigure 2-68. Canopy Vent Lines Alined with Canopy SkirtFigure 2-69. Center Line Attached to ClevisFigure 2-70. Tieing the Canopy LinesFigure 2-72. Tieing Both Groups of Suspension Lines Figure 2-73. Risers and Connector Link Assemblies in Proper LayoutFigure 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_116Stowing the canopy - TM-10-1670-281-23P_117Figure 2-79. Stowing the Canopy Into the Deployment BagFigure 2-81. S-Folding Suspension Lines on Top of Stowed CanopyFigure 2-82. Locking Stow Loops Inserted Through Locking SlotsFigure 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 StowFigure 2-87. Forming the Second Line StowFigure 2-88. Suspension Line, Center Line and Riser Stowage CompletedFigure 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 FlapsFigure 2-93. Securing Right Secondary Bag Closing LoopsFigure 2-95. Packing Completed, G12E ParachuteFigure 2-95.1. Bag Closing, G-12EFigure 2-95.2. Locking Stows Completed, G-12EFigure 2-95.3. Securing Tie Completed, G-12EFigure 2-95.4. First and Second Suspension Line Stowed, G-12EFigure 2-95.5. First and Second Suspension Line Stowed, G-12EFigure 2-95.6. Suspension Line, Center line, and Riser Stowage Completed, G-12EFigure 2-95.7. Lacing Deployment Bag, G-12EFigure 2-95.8. Lacing Completed, G-12EPacking the 68 inch Diameter Pilot ParachuteFigure 2-96. Parachute Bag and Static Line Attached and Gore Folding CompletedFigure 2-97. Canopy Stowed in BagFigure 2-99. Bag Closing CompletedFigure 2-100. Riser Clevis Attached to Breakaway Static LineFigure 2-102. Packing Completed.Attaching the Pilot ParachuteSECTION VI. REPAIR - TM-10-1670-281-23P_146Maintenance LimitationsTable 2-2. Sewing Machine Code Symbols - TM-10-1670-281-23P_148Table 2-3. Stitching and Restitching Specifications - TM-10-1670-281-23P_149Table 2-3. Stitching and Restitching Specifications (cont) - TM-10-1670-281-23P_150Figure 2-103. Darning Method Using a Darning Sewing MachineFigure 2-104. Repair Method Using a Zig-Zag Sewing MachineSearing and Waxing - TM-10-1670-281-23P_153Marking and Restenciling - TM-10-1670-281-23P_154Parachute Canopy - TM-10-1670-281-23P_155Bridle Loop - TM-10-1670-281-23P_156Figure 2-105. Canopy Bridle Loop Replacement DetailsVent Reinforcement (Upper Lateral Band) - TM-10-1670-281-23P_158Figure 2-106. Vent Reinforcement Splicing DetailsVent Reinforcement (Upper Lateral Band) CONT.Canopy Gore SectionCanopy Gore Section CONT.Figure 2-107. Basic Patch ApplicationFigure 2-108. Basic Patching Details Using Parachute Mending ClothTable 2-4. Mending Cloth Patching Specifications for Cargo ParachutesCanopy 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 DetailsCanopy Gore Section (cont)Figure 2-112. Lapped Seams Completed for Multiple Gore Section ReplacementCanopy LineCanopy Line CONT.Figure 2-113. Making a Line Splice with Type IV Coreless Nylon CordFigure 2-114. Suspension Line Replacement DetailsFigure 2-115. Securing Damaged Line to New Line for Line ReplacementCanopy Line (cont) - TM-10-1670-281-23P_180Canopy Line (cont) - TM-10-1670-281-23P_181Figure 2-116. Securing Radial Line and Vent Line to CanopyCanopy Line (cont) - TM-10-1670-281-23P_183Figure 2-117. Securing Radial Line and Suspension Line to CanopyCanopy Line (cont) - TM-10-1670-281-23P_185Canopy Line (cont) - TM-10-1670-281-23P_186Figure 2-118. Canopy Line Replacement DetailsPatching a Radial SeamFigure 2-119. Radial Seam PatchingRadial Seam Reinforcement TapeFigure 2-120. Radial Seam Reinforcement Tape Replacement DetailsPocket Band - TM-10-1670-281-23P_192Figure 2-121. Pocket Band Replacement DetailsSkirt Reinforcement (Lower Lateral Band) - TM-10-1670-281-23P_194Figure 2-122. Skirt Reinforcement (Lower Lateral Band) Splice DetailsSuspension Line Reinforcement (V-Tab).Suspension Line Reinforcement (V-Tab) (cont)Figure 2-123. V-Tab Replacement DetailsFigure 2-124. Suspension Line Reinforcement (V-Tab) Construction DetailsConnector Link - TM-10-1670-281-23P_200Figure 2-125. Connector Link AssemblyRiser - TM-10-1670-281-23P_202Figure 2-126. Clevis Attaching Loop Buffer Replacement DetailsParachute Inspection Data Pocket (Log Record Pocket)Suspension ClevisDeployment Bag - TM-10-1670-281-23P_206Bridle Breakcord Attaching Loop BufferFigure 2-127. Bridle Breakcord Attaching Loop Buffer Replacement DetailsDeployment Bag Closing Loops. Figure 2-128. Bag Closing Loop Replacement Details.Side flap closing loopDeployment Bag Edge BindingFigure 2-129. Deployment Bag Edge Binding Splicing DetailsDeployment Bag Bridle strapFigure 2-130. Bridle Strap Splicing DetailsDeployment Bag Horizontal StrapFigure 2-131. Horizontal Strap Splicing DetailsDeployment Bag Panels, Flaps and CoverFigure 2-132 . Patching Deployment Bag Panels, Flaps and CoverDeployment Bag Locking Stow LoopsFigure 2-133 . Locking Stow Loop Replacement DetailsFigure 2-133.1. Enlarging Locking Stow Loops, G-12E Deployment BagFigure 2-133.2. Marking Modified G-12E Deployment BagDeployment Bag Locking Stow Slot ReinforcementSuspension Line Retaining Strap and Strap LoopsFigure 2-134. Suspension Line Retaining Strap Loop Replacement DetailsFigure 2-135 . Suspension Line Retaining Strap Replacement Details Suspension Line Retaining Strap ReinforcementFigure 2-136. Suspension Line Retaining Strap Reinforcement Splicing DetailsDeployment Bag Cluster Tie Webbing. Figure 2-137. Cluster Tie Webbing Replacement Details Riser Extension Tie Loop and Tie StrapFigure 2-138. Riser Extension Tie Strap Replacement DetailsRiser Extension Cover End ReinforcementVent Line Hole Reinforcement111-inch Long Deployment Line68-Inch Pilot Parachute68-Inch Pilot Parachute CONT.Figure 2-140. Typical Canopy Panel Patches.Figure 2-141. Crown Inside Reinforcement Tape Replacement Details.Canopy reinforcing tapeFigure 2-142. Canopy Crown Attaching Loop Replacement Details.Figure 2-143. Skirt Reinforcement Webbing Splice DetailsFigure 2-144. Suspension Line Reinforcement Tape Replacement DetailsFigure 2-145. Splicing a Type III Nylon Cord Suspension Line68-Inch Pilot Parachute (cont) - TM-10-1670-281-23P_246Figure 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 Link68-Inch Pilot Parachute (cont) - TM-10-1670-281-23P_249Figure 2-148. Method of Attaching a Type 11 Coreless Nylon Cord Suspension Line to a Connector LinkStatic Line.Figure 2-149. Bridle Bag Edge Binding Splicing DetailsFigure 2-150. Replacing Clevis Pin Retaining CordFigure 2-151. Forming Riser Clevis Safety PinFigure 2-152. Bridle Line Construction DetailsFigure 2-153. Bridle Line Attachment DetailsFigure 2-154. Pilot Parachute Bag Tiedown Loop Replacement Details57-Foot Centerline (G-12E Parachute)In-Storage Inspection. Shipment - TM-10-1670-281-23P_260APPENDIX A REFERENCES - TM-10-1670-281-23P_261APPENDIX B MAINTENANCE ALLOCATION CHART SECTION I. INTRODUCTION - TM-10-1670-281-23P_262Explanation of Columns in the MAC, Section II - TM-10-1670-281-23P_263SECTION II. MAINTENANCE ALLOCATION CHART64 FOOT DIAMETER CARGO PARACHUTE ASSEMBLY, MODELS G-12D AND G-12E (cont64 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_26764 FOOT DIAMETER CARGO PARACHUTE ASSEMBLY, MODELS G-12D AND G-12E (cont) - TM-10-1670-281-23P_268SECTION lII. TOOL AND TEST EQUIPMENT REQUIREMENTSSECTION IV. REMARKS - TM-10-1670-281-23P_270APPENDIX C REPAIR PARTS AND SPECIAL TOOLS LIST SECTION I. INTRODUCTION - TM-10-1670-281-23P_271SMR Code (Column (2))Explanation of Columns (Sections II and III) CONT.Maintenance code - TM-10-1670-281-23P_274Recoverability code - TM-10-1670-281-23P_275Explanation of Columns (Section IV) - TM-10-1670-281-23P_276Special Information - TM-10-1670-281-23P_277Abbreviations. - TM-10-1670-281-23P_278Figure 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-12EFigure 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-FOOTFigure C-3. Parachute Deployment Bag, PN 54K6299GROUP 02 DEPLOYMENT BAGFigure C-4. Deployment LineGROUP 03 DEPLOYMENT LINEFigure C-5. Pilot Chute, PN 53E6803GROUP 04 PILOT CHUTEFigure C-6. Cargo Parachute Static Line, PN 59J6171GROUP 05 STATIC LINE, CARGOFigure C-7. CenterlineGROUP 06 CENTERLINEGROUP 99 BULK MATERIALS - TM-10-1670-281-23P_294CROSS-REFERENCE INDEXES NATIONAL STOCK NUMBER INDEX - TM-10-1670-281-23P_295CROSS-REFERENCE INDEXES PART NUMBER INDEX - TM-10-1670-281-23P_296CROSS-REFERENCE INDEXES PART NUMBER INDEX (cont) - TM-10-1670-281-23P_297Appendix D. EXPENDABLE/DURABLE SUPPLIES LISTSection II. EXPENDABLE/DURABLE SUPPLIES LISTEXPENDABLE/DURABLE SUPPLIES LIST (cont) - TM-10-1670-281-23P_300EXPENDABLE/DURABLE SUPPLIES LIST (cont) - TM-10-1670-281-23P_301EXPENDABLE/DURABLE SUPPLIES LIST (cont) - TM-10-1670-281-23P_302Figure E-1. Splicing Aid Fabrication.INDEX - TM-10-1670-281-23P_304INDEX (cont) - TM-10-1670-281-23P_305INDEX (cont) - TM-10-1670-281-23P_306INDEX (cont) - TM-10-1670-281-23P_307