Spreader Assembly - Nacra 500 Owner's Manual

MAST AND RIGGING
TOOLS YOU'LL NEED:
1/2" socket wrench
Needle nose pliers
Regular pliers
Rigging tape

SPREADER ASSEMBLY

If your boat is equipped with spreaders,
start by assembling them. Screw the ad-
justable spreader end pieces into the long,
threaded spreader arms, (use grease) ,
and attach the non adjustable end onto
the forward hole on the spreader base (1).
Pin the short spreader arms into the rear
holes. The split rings should be towards
the bottom of the mast.
Connect the two arms together with the spreader tip plate and 3 clevis
pins on each side as shown.
Adjust the spreader rake by removing the pin on the forward arm, and
screwing the adjuster in or out. To measure spreader rake, place a yard
stick or batten between the spreader tips and measure the distance
from the mast to the batten (2). This is your spreader rake. Adjust the
arms until this measurement is at least 1 1/2".
Attach the diamond wires to the mast. Locate the large turnbuckle, and attach one end to the fitting
near the base of the mast.Remove the clevis pin from the other end of the turnbuckle and pin the thim-
ble end of the diamond wire to it using the special diamond wire plate clevis pin (3) (Single wire only)
and a cotter ring. Pin the forked end of the diamond wire to the upper tang as shown (5).
Diamond wire tension will vary per model based on crew weight and sailing conditions. Diamond wire
tension should be tight initially.
Some models have 2 separate diamond wires- Pin
the turnbuckles to the tangs on the lower part of the
mast (4) . The upper forked end attaches as above
(5).
Tension on the diamond wires must be the same at
both sides of the mast.
NOTE: Be sure to tape all split rings and jam nuts to
p r event snagging and accidental loosening.