Inspection and service
TTS 2021-09-09 9
5 Inspection and service
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5.1 Service and repair
There is no maintenance to be performed by the end user. With the exception of replacing of the
Velcro strap, there are also no repairs that can be carried out by the end user. If defects are found
during inspection, send the top swivel to the manufacturer or to an authorised service partner. Do
not use the top swivel any longer.
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5.2 Monthly inspection
•Check the shaft sealing ring (top) and the sealing screw at the bottom of the fork (if present) for
tightness.
• TTS-xL/TOG: Check the function and visual appearance of the Velcro tape.
•Check the fasteners and securing devices for correct seating and wear (screws, pins, quick-
release devices, strops, toggle).
•Check the condition of visible plastic parts for ageing due to UV radiation.
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5.3 Half-yearly functional test
Also carry out functional tests before longer trips and regattas.
5.3.1 Functional test without load
• Release the stay as far as possible and turn the top swivel back and forth by hand with the sail
rolled up and the sheet separated.
Especially when cold, medium to high resistance is acceptable. No rattling or snagging of the
bearing should be felt.
5.3.2 Functional test under load
Record the result of the functional test in the table at the end of these instructions.
1. Pretension the stay. Do not exceed the safe working load of the top swivel. For information on
the safe working load, see Technical Data.
2. With the sail rolled up and the sheet separated, actuate the drive unit until the top swivel begins
to rotate.
3. Actuate the drive unit in the opposite direction. Observe how many times the drive unit turns
before the top swivel begins to rotate. Enter the result in the table at the end of these
instructions.
4. Actuate the drive unit again in the opposite direction. Observe how many times the drive unit
turns before the top swivel begins to rotate. Enter the result in the table.
If the number of turns increases under similar conditions, send the top swivel to the manufacturer or
an authorised service partner.
