DIRECT SUPPORT MAINTENANCE
MC-4 RAM AIR FREE-FALL PERSONNEL PARACHUTE SYSTEM
SUSPENSION LINES (LINES 4A/B AND 5 A/B ONLY)
THIS TASK COVERS:
Sewing Machine, Bartack (Table 1, WP 0050 00)
Shears (Item 39, WP 0063 00)
Tape Measure (Item 42, WP 0063 00)
Cord, Dacron, 600-Pound, Type I (Item 12, WP 0076 00)
Thread, Nylon, Size E (Item 43/44, WP 0076 00)
92R (10) Parachute Rigger
Lay out on packing table or other
Continuity check and canopy trim
check (WPs 0005 00 and 0006 00).
This procedure applies only to lines 4 A/B and 5 A/B which in each
case are one continuous line, running from the forward center cell
(A lines) of the canopy to the inboard side of the front connector
links, then back to the forward center cell (B lines) of the canopy.
1. Find the approximate mid-point of replacement line. Position midpoint at inboard (barrel side) of
connector link. Secure line to connector link with bartack stitch. Bartack begins 3/4
± 1/8-inch from end
of loop and is 5/8-inch long by 1/8-inch wide.