TM 10-1670-287-23&P  0033 00  CAUTION 6.  Remove static line from shackle.  7.  Pull main canopy release ripcord. This allows the two rings on the risers to disengage from base ring  and complete removal of risers.  8.  Test replacement risers in accordance with WP 0011 00.  9.  Compare replacement risers, ensuring there is not more than $^{1}$/$_{2}$-inch difference in length.  Ensure Clearslip #2   Silicone Lubricant does not come in contact  with any textile surface of the MC-4 RAPPS.  10. Apply a small amount of Clearslip #2   silicone lubricant to a clean dry rag and wipe each single point  release cable several times. Allow a few moments for evaporation. Route main canopy release  cables through appropriate housings. Mate hook fastener on main canopy release ripcord to pile  fastener on main ripcord pocket.  0033 00-3  Change 1  Main Canopy  Release Cables 