Nautilus Schwinn IC3 Service Manual page 17

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6.
Remove the hardware that attaches the Drive Belt Cover to the Drive
Belt Inside, and set it safely aside for reassembly. Carefully remove the
Drive Belt Cover and set it safely aside for reassembly.
7.
Use a 15 mm open end wrench to hold the Axle Nut (D) on one side
steady and loosen the Axle Nut on the opposite side with a 15 mm socket
and wrench.
8.
Check the tension:
• Push the Drive Belt (E) downward at
the midpoint (M) between the pulleys and
measure the distance. The Drive Belt
should have only 0.25" (0.64 cm) of give.
Or:
• Hold the edges of the Drive Belt at the
midpoint (M) and twist it. It should turn only
90 degrees (1/4 turn, to vertical).
If the Drive Belt is too loose—use a 10mm wrench to
turn each Flywheel Retainer nut (F) 1/4 turn to the right.
If the Drive Belt is too tight—use a 10mm wrench to
adjust the Flywheel Retainer nuts (F).
9.
Reinstall the right Crank Arm and Pedal. Installation does not require
the use of the crank puller. Be sure the Crank Arms are connected at 180°
from each other.
X5
E
M
E
H
17
X2
D
F
G
D

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