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1.2.
Front crossbar pre-bend
Tools needed:
- Wrench 22mm or 7/8 inch
- Wrench 19mm or 1/2 inch
Nacra front beams are delivered with pre bend right from the
factory. However, this should be checked.
•
There should always be a pre-bend on the front
crossbar. This is been achieved by the tension on the
dolphinstriker.
•
On new beams the tension on the dolphinstriker must
be reset after:
- 2 hours of sailing and
- 10 hours of sailing
•
check the tension without rig tension.
•
During the season check the pre-bend regularly.
Check pre-bend always without rig tension on.
1.
Release the tension on the nut located on top.
2.
Release the tension on the nut located under the crossbar.
3.
Put grease on both nuts.
4.
Measure 15mm from top side of the crossbar to the
bottom side of the upper nut.
5.
Tension the nut underneath the crossbar until both nuts
are tightened.
14.
15mm
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