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Transport and Storage
Moisture is the worst enemy for your glider, adversely affecting the ageing of fabric, lines and
reinforcements. The Boomerang9 should therefore be kept dry and cool. Do not pack the glider
away for a prolonged period if it is damp, sandy, salty, or if other objects have entered the cells.
Always allow it to dry naturally before storage in a dry room. Leave the rucksack zip open
whenever possible to allow residual moisture to evaporate, and do not transport or store the
glider in the proximity of chemicals such as gasoline, paints or other solvents.
Cleaning
Use only lukewarm water and a soft cloth to clean your wing. Never use any abrasive materials
or detergents. Only clean the wing if it is absolutely necessary e.g. after a landing in salt water.
Maintenance Inspections
The Boomerang 9 has to be inspected for a trim check by an authorized Gin agent during the
first 12 months.
The Boomerang 9 should be inspected by a qualified professional every 100 hours or every
12 months, whichever comes sooner. Subsequent inspections should be made annually.
Inspection must be made not only of the fabric, but also of the lines and all other parts of the
glider. The maintenance instructions, available on our homepage www.gingliders.com, have to
be observed.
A full inspection will give you peace of mind and extend your glider's lifetime. Additional
inspections should be performed by a qualified person following a crash or violent landing on
the leading edge, or if you note a deterioration of performance or behaviour.
You should also check for any damage to your lines, sail, risers and connectors before each
flight.
W W e e r r e e c c o o m m m m e e n n d d r r e e p p l l a a c c i i n n g g t t h h e e l l i i n n e e s s e e t t a a t t l l e e a a s s t t e e v v e e r r y y 1 1 5 5 0 0 h h o o u u r r s s
Line trimming
The Boomerang9 is trimmed to give the highest possible level of performance and safety. The
aramid lines may shrink or stretch in normal use and particularly after hard shock-reinflations.
Pilots should check that the lines remain within tolerance. The Boomerang 9 is certified with the
lines trimmed so that the total line length from tab to riser is within 2cm of the values stated in
the line-plan. Due to different measuring systems and calibration there is a possibility of a
difference in the absolute line lengths. In this case, the measured values should first be
corrected to the same base of the Boomerang 9 check sheet data. If the lines are more than 2cm
out of tolerance they should be replaced. If the lines are less than 2cm out of tolerance they can
be re-trimmed either by taking (or releasing) loops on the maillons or by adding an extended
maillon. Contact your dealer or Gin Gliders for details of how to retrim your glider.
Repairs
Very small holes in the sail can be repaired with the sticky back tape provided with your glider.
Damaged lines should be replaced by your GIN dealer. Before fitting a replacement line, check it
for length against its counterpart on the other side of the wing. When a line has been replaced,
always inflate the glider on flat ground to check that everything is in order before flying.
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