Nautilus Schwinn 800IC Service Manual page 57

15. Mark the position of the Flywheel Axle Nut on the Flywheel Bracket.
Also record the number of threads showing on the Tensioner Eyebolt on each
side of the Tensioner Support Bracket.
16. To loosen the Flywheel hardware, use a 15mm crescent wrench to
hold the Flywheel Axle Nut on one side steady and loosen the Flywheel
Axle Nut on the opposite side with a 15mm socket and wrench. Remove the
Flywheel Axle Nuts from the Flywheel Axle. Set the hardware safely aside for
reassembly.
17. Using a 10mm wrench, loosen and remove the outer Flywheel Retainer
Nut from the Tensioner Eyebolt. Remove the Tensioner Eyebolt and inner
Retaining Nut from the Flywheel Axle and Tensioner Support Bracket. Set the
Tensioner hardware aside for reassembly.
NOTICE: It may be necessary to move the Flywheel. This step may
require two people.
18. Carefully move the Flywheel to the opening in the Flywheel Brackets,
and then remove the Flywheel from the Flywheel Bracket. Remove the Thin
Nut from the left end of the Axle and set it safely aside for reassembly.
NOTICE: This step may require two people.
19. Carefully remove the Speed Sensor and Spacer from the Axle. Set the
old Speed Sensor safely aside.
NOTICE: This step may require two people.
Flywheel Bracket
57
Tensioner Eyebolt
Tensioner
Support
Bracket
Flywheel Axle Nut
Tensioner Eyebolt
outer
Flywheel
Retainer
Flywheel Axle
Nut