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Operation
WARNING! Sail can become uncontrollable when raising in windy conditions, resulting in loss of footing.
Choose wind conditions to match your experience and ability. If changing sails underway, take all safety
precautions when working on the foredeck. See www.harken.com/manuals General Warnings and
Instructions.
Raise Sail
Choose conditions with little or no wind when raising sail at the dock.
Have bow of boat pointing into the wind.
1) Note: Make sure drum assembly is wrapped with line. Shackle
tack of sail to drum. Install shackle so screw pin head is on same
side as sun cover.
2) Secure genoa sheets to clew of sail using bowline knots.
3) Attach genoa halyard to halyard swivel.
4) Carefully guide sail into feeder and then into foil groove.
5) Attach head or pendant at head of sail to halyard swivel.
6) Hoist sail slowly, making sure luff tape does not jam in foil.
IMPORTANT! Forcing sail can cause luff tape to rip.
Tip: New sails are often stiff and may hang up at feeder during
raising. Do not force sail when it hangs up—lower and remove
twist. Sails "break in" with use and will become easier to raise.
7) Line up front of sail so it is parallel to foil and feeds smoothly when
sail is hoisted.
8) Put moderate tension on the halyard and secure.
9) Check the top area of the furler for interference from halyards.
See "Check Halyards."
10) Practice rolling sail in and out at the dock. See "Furl" and "Unroll Sail."
11) If not sailing right away, make sure sail is furled carefully.
See "Secure Sail."
Furl and Reef
To furl or reef, ease the jib sheets and pull
furling line.
In very light air, it may be necessary to place some tension
on jib sheet to insure a tight furl.
In a breeze, you must completely luff sail by totally slacking
jib sheets before furling.
The furling line should pull readily. The amount
of force required is related to amount of wind,
but a Unit 3 should never require use of a winch to furl. If the sail will not furl, or if furling requires a great deal of effort,
there is a problem with system. Consult the Troubleshooting Guide on Page 29. Do not use a winch to force a system to
turn. If you are certain that the system is operating properly, you may use a winch to make furling easier.
MKIV Ocean Unit 3
Sail: Raise/Storm/Reef
Feeder
IMPORTANT! Pay careful attention to
"Secure Sail" on next page. If leaving the
boat, you must secure sail to prevent dam-
age if wind increases while you are away.
Head
Tack
26
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