Harken 7411.11 1/2 MKIV Jib Reefing & Furling - Manual (Page 30)

Assembly Attach Turnbuckle/Foil System to Boat
Carefully Raise foil and stay up onto boat.
Raise foils using line attached to feeder
gap as shown.
Attach eye to jaw/jaw toggle deck level
using clevis pin. Adjust turnbuckle.
Secure with cotter pin.
Adjust turnbuckle.
When stay length is set,
use side cutters or needle-
nose pliers to bend cotter pin to secure turnbuckle.
Secure with cotter pin.
30 MKIV Underdeck Unit 1, 2, 3