## UNIT MAINTENANCE MC-4 RAM AIR FREE-FALL PERSONNEL PARACHUTE SYSTEM GROMMETS 

## THIS TASK COVERS: 

x Repair 

x Replace 

## INITIAL SETUP: 

## Tools 

Die Sets, Spur Grommet, Size 0 (Items 17, WP 0063 00) Die Sets, Spur Grommet, Size 2 (Items 18, WP 0063 00) Die Sets, Spur Grommet, Size 5 (Items 12, WP 0063 00) File, Flat, 1-IN. (Item 15, WP 0063 00) Knife, Hot, Metal (Item 24, WP 0063 00) Mallet, Rawhide (Item 27, WP 0063 00) Pliers, Large, Diagonal Cut (Item 32, WP 0063 00) Sewing Machine, Medium-Duty (Table 1, WP 0015 00) Shears (Item 39, WP 0063 00) 

## Materials/Parts 

## Personnel Required 

92R (10) Parachute Rigger 

## Equipment Condition 

Lay out on packing table or other suitable area. 

Cloth, Abrasive (Item 6, WP 0076 00) Grommets, Rolled Rim, Spur Washer, No. 0, 305 Stainless Steel (Items 23, WP 0076 00) Grommets, Rolled Rim, Spur Washer, No. 2, 305 Stainless Steel (Items 24, WP 0076 00) Grommets, Rolled Rim, Spur Washer, No. 5,Type III, Class 2 (Items 22, WP 0076 00) Thread, Nylon, Size E (Item 43/44, WP 0076 00) Webbing, Nylon, Type II (Item 48, WP 0076 00) 

## REPAIR 

Repair grommets as follows: 

1. Remove burrs, rough spots, rust, or corrosion from an installed grommet by filing with a file or by buffing with an abrasive cloth. 

2. Reseat a loose grommet using procedures listed in the REPLACE procedures detailed below. 

3. If fabric area around original grommet has been damaged, repair area by applying a reinforcement patch to outside of flap. Use a 1-inch square of seared type II nylon webbing. 

## REPLACE 

Replace grommets as follows: 

1. Remove original grommet as follows: 

a. Using suitable type tool, lift edge of original washer at one point. 

Reinforcement is allowed only on the bottom, left, and right closing flaps of the reserve parachute container. 

## NOTE 

b. Grip lifted washer edge with diagonal cutters and roll washer edge back to lift washer from original grommet. Remove original grommet from material. 

