DIRECT SUPPORT MAINTENANCE
MC-4 RAM AIR FREE-FALL PERSONNEL PARACHUTE SYSTEM
SUSPENSION LINE SETS (PREFERRED METHOD)
THIS TASK COVERS:
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
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 (} 2-inches).
1. Replace suspension lines as follows:
a. With canopy in proper layout, place replacement connector link adjacent to connector link with
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