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Commissioning
■ Backstay Adjusters
Backstay adjusters allow headstay tension to be varied to change sail shape to match the
conditions. They permit a very tight headstay to be eased when the boat is not in use. For
best performance, consider adding a block and tackle backstay adjuster. Remember to
keep the headstay tight for best performance when furling or reefing.
If your boat is fitted with an adjuster be sure that it is tensioned before the halyard is
tensioned. If not, the backstay adjuster may adjust halyard tension and could damage the
sail or furling system.
June 1999
Spinnaker Halyard • Headstay Tension • Backstay Adjusters
■ Spinnaker Halyards
Spinnaker halyards occasionally cause problems
with furling.
On many boats it will not be possible to attach the
spinnaker halyard to the bow pulpit or it may be
"sucked" into the jib when you are furling.
On some boats the spinnaker halyard lays across the
headstay and will catch on the halyard swivel, foils or
jib halyard. It may be necessary to install a masthead
bail to move the spinnaker halyard block forward and
to one side to prevent problems.
Many boats with external halyards will find it necessary
to flip both ends of the spinnaker halyard behind the
spreaders to prevent fouling with the furling system.
■ Headstay Tension
A furling system will work best if the headstay is tight.
A loose headstay is difficult to rotate and can cause
unusual wear on the foil joints.
To adjust the headstay tension, remove sail. Carefully
pull the torque tube trim cap off the top of the torque
tube and remove the torque tube key. Important, be
careful to not lose the key.
Pull the tangs at the lower portion of the unit to unsnap
the lower unit. Slide the drum assembly up on the foils.
Tip: Before adjusting headstay tension, completely slack the backstay,
mainsheet and vang.
Tip: Use a halyard to hold the drum assembly up on the foils.
Adjust turnbuckle as normal. Follow instructions on
pages 36 - 39.
Important: once the foils are lifted and the lower unit is
snapped in place, check to make sure there is clearance
above the foils and that the foils are not jammed up on
the marine eye.
Unit 00AL
47
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