Nacra F20 Carbon Assembly & Rigging Manual page 17

Step 3.
Turn the second diamond wire in the brass diamond adjuster block. This will
be slightly more difficult than the first diamond wire, since the other diamond
wire is already fixed. To make things easier let one person turn the diamond
wire at the end and let the other person turn the diamond wire in the brass
diamond adjuster block. You may have to use pliers since the diamond wire
thread is slippery, due to the grease. Don't forget the rings at the bottom!
Step 4.
Take the top ends of the diamond wires and slide them through the diamond
inserts in the mast base. Then slide the brass diamond block in the mast.
Step 3
Make sure the wires are diver-
ging!
Step 3
Step 4
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