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UNIT MAINTENANCE MC-4 RAM AIR FREE-FALL PERSONNEL PARACHUTE SYSTEM HARNESS/CONTAINER CONT. - TM-10-1670-287-23P_289
UNIT MAINTENANCE MC-4 RAM AIR FREE-FALL PERSONNEL PARACHUTE SYSTEM HARNESS/CONTAINER CONT. - TM-10-1670-287-23P_291

TM-10-1670-287-23P MC-4 RAM Air Free-Fall Personnel Parachute System NSN 1670-01-306-2100 Manual
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TM 10-1670-287-23&P 0037 00 0037 00-4 (6) Using a 7/16-inch open-end wrench, loosen barrel nuts on connector links. (7) Remove connector links from risers. (8) Reattach a serviceable harness/container IAW WP 0005 00 and WP 0006 00. b.    Main Parachute Compartment.  Replace top flap, bottom flap, left flap and right flap pack stiffeners as follows: (1) Replace the top flap pack stiffener as follows: (a)  Cut stitching and remove plastic pack stiffener from container. (b)  Obtain a new pack stiffener from supply stock. (c)   Reattach the new pack stiffener to the container using a medium-duty zigzag sewing machine, size FF thread, and 7 to 11 stitches per inch. (2) Replace bottom and left flap pack stiffeners as follows: (a)  Remove the No. 0 grommet IAW WP 0038 00. (b)  Cut the single row of straight stitching on the inside of the container exposing the plastic pack stiffener. (c)   Remove broken stiffener. (d)  Obtain a new stiffener from supply stock. (e)  Replace the grommet IAW WP 0038 00. NOTE Ensure the pre-cut hole for the grommet is large enough to accommodate a new grommet.  If not, enlarge the hole using a 5/8-inch countersink drill and 5/8-inch drill bit as required. (f)    Replace stiffener and set a new grommet ensuring the grommet is rolled over washer and the washer is on the inside of the container. (g)  Using a medium-duty sewing machine, size E nylon thread and 7 to 11 stitches per inch, replace the single row of straight stitching removed in step (b), above. (3) Replace right flap pack stiffener as follows: (a)  Remove lacing tape on base plate. (b)  Remove the No. 2 grommet. (c)   Cut the single row of straight stitching on the inside of the container exposing the clear plastic. (d)  Remove broken plastic stiffener.







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