GENERAL REPAIR INSTRUCTIONS.

Table 2-1. Preventive Maintenance Checks and Services-Continued - TM-10-1670-298-20P_27

TM-10-1670-298-20P Container Delivery System A-7A Cargo Sling Manual
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TM 10-1670-298-20&P (2) Waxing. The fraying or unravelling of cotton or nylon tape, webbing, and cord length ends may be prevented by dipping 1/2-inch (1.270 cm) of the material's raw end into a thoroughly melted mixture of half beeswax (Item 1, Appendix E) and half paraffin (Item 17, Appendix E) The wax temperature should be substantial enough to Insure the wax completely penetrates the material rather than just coating the exterior fabric. c. Marking, Restenciling, and Repainting. NOTE Stenciling should be used whenever possible A ball point pen (Item 10, Appendix E) or felt tip marker (Item 11 or 12, Appendix E) should be used only where stenciling is not possible or when stenciling devices are not available However, only felt tip markers that contain parachute marking ink and marked “FOR PARACHUTE MARKING”are authorized for use in marking parachute components Any type of ball point pen using black or blue ink may be used for marking on labels only. (1) Marking. Informational data, gore numbers, and identification numbers, as applicable, are marked on individual airdrop items. Some airdrop equipment components possess painted red enamel warning marks to indicate to the user the critical nature of the applicable component Some metal and wooden airdrop items may be painted with olive drab paint (Item 10, Appendix E) as a corrosion preventive and protection against climatic elements. (2) Restenciling. Original stenciled data or markings that become faded, illegible, obliterated, or are removed as a result of performing a repair procedure will be remarked with a ball point pen (Item 10, Appendix E), felt tipped marker (Item 11 or 12, Appendix E), or restenciled. All restenciling will be done on, or as nearly as possible to, the original location and should conform to the original lettering type and size. (3) Repainting. A warning mark on an airdrop equipment component that is chipped or worn will be repainted with red enamel paint (Item 5, Appendix E) using a proper size paint brush (Item 2, Appendix E) for paint application. Likewise, a mark previously painted on an airdrop item to signify satisfactory completion of a specific test may be repainted with the original color enamel and a suitable applicator providing the item is still serviceable Metal and wood items may be repainted with olive drab paint (Item 9, Appendix E) using the previously cited painting methods, as required. d. Basting and Temporary Tacking. Basting and temporary tacking are hand sewing methods used to temporarily hold layers of cloth fabric together while a repair is being performed The following is a list of procedures which apply to basting and temporary tacking actions. (1) Basting and temporary tacking should be made using thread which is of a contrasting color to the material being worked. (2) On most small airdrop items, basting will be made using a single strand of Size A nylon thread (Bulk, appendix C) or Ticket Number 24 cotton thread (Bulk, Appendix C). (3) When basting, do not tie knots at any point in the thread length. Also, the sewing should be made with two stitches per inch. (4) Temporary tacking will usually be made using a length of Size E nylon thread (Bulk, Appendix C) However, an alternate type thread may be specified within the applicable item equipment publication. (5) Immediately upon completion of a repair, remove a previously made basting or temporary tacking. 2-10

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