Wells MOD-400TD User Manual Page 48

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7. Lower the adapter tube and fit it to the cardan ring
of the lower bearing assembly. Fit the bushes acc. to
fig. 16.1c. Tighten the screws firmly. Tighten the
locking screws . Use locking adhesive.
8. Adjust the luff extrusion so that the marking (see page
26) is at the same level as the adapter at . Tighten
the extrusion screws firmly.
9. Tension the forestay to 20% of the wire’s breaking
load. As the tension on the forestay cannot be
measured easily when it is encased in the luff
extrusion, this can be done using the backstay. Owing
to the difference in the angle of these stays relative
to the mast, this is equivalent to approx. 15% of the
backstay’s breaking load on a masthead rig, assuming
that it is the same diameter as the forestay. (Forestay
tension = approx. 1.25 x backstay tension.)
Fig.16.1.b
Always use a strong "D" shackle or tie the halyard.
16 Rigging
The Furlex system is best transported and rigged together with the mast.
16.1 Fitting the Furlex on a stepped mast
1. Slacken the backstay as much as possible, but make sure that any rigging screw is not unscrewed
so far that the threads are no longer visible "on the inside".
2. Pull the masthead forward using the genoa halyard. Secure the halyard using a "D" shackle or tie it
to a strong deck fitting. Do not use the halyard snap shackle for safety reasons.
3. Tie a strong, flexible line around the luff
extrusion. Make two clove hitches, the upper
approx.1 m from the top, taping over the knots so
that they cannot slide.
4. Hoist the stay using a spare halyard.
5. "Go aloft" and attach the top end of the Furlex
system to the forestay attachment. Always use a
proper bosun’s chair. If there are no free headsail
halyards use the main halyard. For further
information, see "Working aloft" in Seldén Mast
AB’s "Hints and Advice" or contact your Furlex
dealer.
Fig.16.1.a
6. Attach the stay to the headbox and then to the lower bearing assembly. The
split pin for the clevis pin should be opened by ~ 20°. It will then retain its
shape on dismantling, enabling it to be used again.
For further information, see Seldén Mast AB’s "Hints and Advice" or contact your Furlex dealer.
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Fig.16.1.c
A firmly tensioned stay offers the least furling resistance.
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