TM 10-1670-287-23&P  0054 00  DIRECT SUPPORT MAINTENANCE  MC-4 RAM AIR FREE-FALL PERSONNEL PARACHUTE SYSTEM  SUSPENSION LINE SETS (PREFERRED METHOD)  THIS TASK COVERS:  INITIAL SETUP:  Tools Personnel Required  Equipment Condition  Follow-Up Procedure  Materials/Parts  REPLACE NOTE NOTE 0054 00-1  x Replace  Needle, Tacking (Item 29, WP 0063 00)  Sewing Machine, Bartack (Table 1, WP 0050 00)  Shears (Item 39, WP 0063 00)  Wrench, $^{7}$/$_{16}$-IN., Open-End (Item 45, WP 0063 00)  Suspension Line Set, Main/Reserve (Item 5, WP 0068 00/WP 0069 00)  Tape, Lacing and Tying (Item 33, WP 0076 00)  Thread, Nylon, Size E (Item 43/44, WP 0076 00) 92R (10) Parachute Rigger  Canopy in proper layout.  Continuity check and canopy  check (WPs 0005 00 and  0006 00). Replacement of suspension lines as a set is the preferred method. If suspension line sets are not available, replacement of individual  lines from bulk material is authorized. Refer to WP 0055 00.  When replacing suspension lines, the overall base A-Line  measurement will be 14-feet, 6-inches ( r  2-inches).  1.  Replace suspension lines as follows:  a.  With canopy in proper layout, place replacement connector link adjacent to connector link with  damaged line(s).  b.  Using old lines as a guide, route replacement lines through proper slider grommet to appropriate  canopy attachment points and mark lines.  c.  Cut and remove old lines from attachment loops. Route replacement lines through attachment  loops, and with mark centered in loop, secure with a French locking knot.  French Locking Knot Attaching  Loop