Nautilus U/R514 Mode D'emploi page 21

Pedals loose/unit difficult to pedal
Seat post movement
Check pedal to crank connection
Check crank to axle connection
Check locking pin
Check adjustment knob
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Pedal should be tightened securely
to crank. Insure connection is not
cross-threaded.
Crank should be tightened securely to
axle. Be sure cranks are connected at
180 degrees from each other.
Insure adjustment pin is locked into one
of the seat post adjustment holes.
Insure knob is securely tightened.