Question about Shimano Ultegra FC-6503
"The crank arm can be removed simply by turning the fixing bolt counterclockwise."
Posted on Mar 26, 2011
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Posted on Jan 02, 2017
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the ends of the pedals from the crank axles. Spread a layer of
machine grease over the crank axles, then reattach the ends of the
the bolts connecting the pedals to the swing arms. Detach the pedals
from the arms, then spread a layer of machine grease over the axles
on the swing arms. On some models, the bolts may also serve as the
axles. Reattach the pedals to the arms.
the bolts connecting the swing arms to the elliptical's upright.
Detach the swing arms from the upright, then spread a layer of
machine grease over the axles on the upright. Reattach the arms to
1 Drive Belt
the screws or bolts securing the ends of the pedals to the crank
axles. Slide the ends of the pedals off the axles. Remove any screws
or bolts securing the left and right disc shields to the base unit.
Pull or pry the disc shields off the base unit and set them aside.
any screws or bolts securing the left and right side shields to the
base unit. Detach the side shields and set them aside. Examine the
interior of the base unit and locate the drive belt.
the drive belt free of the crank pulley, flywheel and any other
pulleys. Discard the old drive belt and install a new belt in its
place. Turn the crank axles by hand to confirm that the belt will
turn smoothly when the device is in use.
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