Harken 948 MKIII Jib Reefing & Furling - Manual (Page 53)

Assembly
January 1999 Unit 2.5 MKIII 27
In this step, assembly is completed by attaching the torque tube and raising
and clamping the foils.
10
Use 6 mm allen wrench to secure to the drum assembly
using the three screws provided. Use blue Loctite on
screws.
Tip: Walk away from the boat and check the height
by looking at the top of the foils with binoculars.
Failure to raise the foils will result in considerable
friction while furling. Raising foils too high may
prevent the foils from rotating.
Raise the foil so the top rides over the swage fitting at
the top of the headstay wire and is within 2 1 /
2
" (64 mm)
of the pin holding the stay to the masthead toggle.
Tip: Insert all three screws BEFORE tightening.
Insert the torque tube screws and use the 6 mm allen
wrench to securely clamp the foils in a raised position.