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9.
On all the upper surface ribs fit the single lower elastic. If the elastics appear overtight at
this stage, leave them off until after the final tensioning of the crossboom when it is easier
to push the ribs finally home and requires less effort to fit the elastics.
10.
After fitting the upper surface ribs, remove the safety pin from the crossboom restraint
cable stud just inside the rear end of the keel pocket. Make sure that the crossboom
rigging tool (extension to the rear of the keel), is properly located in the keel with the slots
engaged. Hook the front rigging tool pulley onto the keyhole tang and secure with a
safety pin. Ensure that the cord between the two pulleys is not tangled. Using the pulley
cord, pull back the crossboom until the keyhole tang can be located on the restraint cable
stud.
If you meet any sudden resistance during the tensioning process, stop and
investigate, the pulley system multiplies the pulling force by 6:1. (The end thrust in the
crossboom is multiplied a further 4.5 times). Fit the safety pin to the crossboom restraint
stud.
Rigging tool shown inserted in rear of keel.
Quik & Quik GT450 Maintenance Manual
th
29
March 2007
Issue 1
CAUTION
Damage to airframe components, the sail and fittings
may result if you tension the crossboom with rigging
or airframe components caught up. Investigate
immediately if undue resistance is felt. Remember,
the pulley system multiplies the force applied to the
cables by 6.
Page 43 of 54
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