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8. Main Riser Assembly. The main risers are constructed of Type VII nylon webbing. Each riser is 36- inches in length. The bottom end of the main risers incorporates two riser release rings, a grommet, and a main canopy release-locking loop. A channel is sewn to the back of the rear risers for stowage of the main canopy release cable. The back of the rear risers incorporates control line keepers used to stow excess control line, control line toggle keepers for stowage of control line toggles and control line guide rings. 

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9. Free Fall Secondary FF-2. The automatic ripcord release is designed to open the main parachute compartment automatically. It consists of a release mechanism mounted in a metal case and is designed to work mechanically on barometric pressure. The arming cable, power cable, and the power cable housings are located on one side of the case. The 14-inch power cable is attached to the container base plate and the power cable is attached to the ripcord-locking pin. Refer to TM 10- 1670-300-20&P for operational limitations, maintenance, and repair. 

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