TM 10-1670-269-23&P    0028 00 0028 00-1 UNIT MAINTENANCE 24-FOOT DIAMETER TROOP CHEST RESERVE (T-10R) PARACHUTE AND THE MIRPS PACK TRAY ASSEMBLY FOR THE T-10R AND THE MIRPS THIS SECTION COVERS:  Repair  Replace INITIAL SETUP: Tools Chuck, Grommet Setting (Item 5, WP 0044 00) Die, Grommet Setting (Item 7, WP 0044 00) File (Item 9, WP 0044 00) Key, Socket Head Set (Item 13, WP 0044 00) Knife, Hot Metal (Item 15, WP 0044 00) Mallet (Item 19, WP 0044 00) Needle, Tacking (Item 22, WP 0044 00) Pliers, Lineman (Item 28, WP 0044 00) Press, Hand Chuck Die (Item 31, WP 0044 00) Punch, Cutting, ⁵/₈-IN (Item 33, WP 0044 00) Screwdriver, Flat Tip (Item 35, WP 0044 00) Sewing Machine, Darning (Item 37, WP 0044 00) Sewing Machine, Medium-Duty (Item 41, WP 0044 00) Shears (Item 43, WP 0044 00) Yardstick (Item 45, WP 0044 00) Equipment Condition Pack Laid Flat. Cleaned (WP 0009 00); Inspected (WP 0007 00 and WP 0010 00) Personnel Required 92R (10) Parachute Rigger Materials/Parts Beeswax, Technical (Item 3, WP 0057 00) Cap, Fastener (Item 4, WP 0057 00) Cloth, Abrasive (Item 5, WP 0057 00) Cloth, Duck, Nylon, Type III (Item 6, WP 0057 00) Cord, Nylon, OD, Type II (Item 9, WP 0057 00) Eye, Dressmaker’s (Item 12, WP 0057 00) Grommet, Steel Chrome (Item 15, WP 0057 00) Pencil, Marking Aid (Item 20/21, WP 0057 00) Post, Fastener (Item 22, WP 0057 00) Socket, Fastener (Item 26, WP 0057 00 Stud, Fastener (Item 28, WP 0057 00) Tape, Nylon, Type III (Item 33, WP 0057 00) Tape, Textile, Yellow, Nylon Type III (Item 35, WP 0057 00) Thread, Cotton, Ticket No. 8/7 (Item 37, WP 0057 00) Thread, Nylon, OD, Size 6 (Item 43, WP 0057 00) Thread, Nylon, OD, Size FF (Item 44, WP 0057 00) Thread, Nylon, Size E (Item 39/40, WP 0057 00) Thread, Nylon, Ticket No. 3 (Item 42, WP 0057 00) Thread, Nylon, Ticket No. A (Item 41, WP 0057 00) Wax, Paraffin (Item 45, WP 0057 00) Webbing, Nylon, Type I, ⁹/₁₆-IN W. (Item 61, WP 0057 00) REPAIR Repair a serviceable pack tray assembly as follows: 1.    Darning.  Darning holes that do not exceed ¾-inch in length or diameter according to instructions detailed in WP 0014 00. 2.    Retacking.  Retack loose or broken tacking according to original construction. 3.    Restitching.  Restitch loose or broken stitching with size E nylon thread, and 7 to 11 stitches per inch, using thread that is contrasting in color to the fabric.  Stitch directly over the original stitching and follow the original stitch pattern as closely as possible.  If contrasting color thread is not available, thread of matching color may be used. 4.    Splicing Edge Binding.  Splice as follows: a. Trim damaged portion of edge binding.  Do not remove damaged portion unless necessary. b. Cut a length of ¾-inch type III, nylon tape long enough to extend 1-inch on each side of damaged area. c. Fold under each end of tape ¼-inch.