MODIFICATION PROCEDURES

MWO 10-1670-293-20-2

9. SPECIAL TOOLS, TOOL KITS, JIGS, TEST, MEASUREMENT AND DIAGNOSTIC

EQUIPMENT (TMDE), AND FIXTURES REQUIRED.

(1)

Screwdriver, Flat Tip, 3/8-inch Wide Tip, NSN 5120-00-237-6985

(2)

Hammer, Ball Peen, 16oz NSN 5120-01-114-5499

(3)

Punch, Center, Hardened, #10, NSN 5120-00-197-9490

(4)

Cutter, Bolt (optional), 36-inch, NSN 5110-00-188-2524

(5)

Cutter, Rotary, Electric (optional), NSN 5130-01-014-6856

10. MODIFICATION PROCEDURES. Install D-rings

a. Installation of D-rings (Option 1).

(1) Inspect D-ring to ensure that screw pin threads are not stripped and that the synthetic locking

device is present.

(2) Cut two (2) 24-inch lengths of type II or type III nylon cord removing the core threads and lay

off to the side.

(3) Locate existing D-rings on the main lift web of the parachute harness (left and right). Rotate

the D-rings upward exposing the area immediately below the existing D-ring (Figure 1).

FIGURE 1

(4) On the right or left side, locate the area immediately below the existing D-ring and position

the replacement D-ring with the threaded portion to the inside, immediately below the existing D-

ring but above the confluence wrap. Push the D-ring on to the main lift web until completely

seated. It may be necessary to work the D-ring back and forth and up and down in the event of a