## UNIT MAINTENANCE MC-4 RAM AIR FREE-FALL PERSONNEL PARACHUTE SYSTEM TAIL SEAM MAIN OR RESERVE CANOPY 

## THIS TASK COVERS: 

x Repair 

## INITIAL SETUP: 

## Tools 

Sewing Machine, Bartack (Table 1, WP 0015 00) Sewing Machine, Light-Duty (Table 1, WP 0015 00) Shears (Item 39, WP 0063 00) Stitch Removal Tool (Item 40, WP 0063 00) 

## Material/Parts 

Cloth, Nylon, Ripstop, Type I (Item 9, WP 0076 00) Thread, Nylon, Size E (Item 43/44 WP 0076 00) 

## REPAIR 

If needed, only one pleat between ribs is authorized on the top seam to align the ribs (pleat should be centered between two (2) ribs, with a maximum size of 1-inch). 

## CAUTION 

## Personnel Required 

92R (10) Parachute Rigger 

## Equipment Condition 

Layout on packing table or other suitable area. 

1. Patch the top skin or bottom skin as required using miscellaneous canopy patching procedures outlined in WP 0015 00. 

2. Carefully cut stitching securing the tail seam together. 

3. If required, carefully cut stitching securing the rib to the tail seam. 

4. If required, carefully cut the control line-attaching loop and lay aside. 

5. Re-sew items removed above, in reverse order, using a light-duty sewing machine, size E nylon thread and 7 to 11 stitches per inch. 

END OF WORK PACKAGE 

