Schwinn MPower Echelon2 Console Installation Manual page 26

18. Slide the cable grommet into the slot in the RPM sensor
housing.
Caution: Make sure the internal wires are coiled so
that the screws don't cut or compress the wire.
19. Reinstall the RPM sensor cover into the housing
20. Reinstall the M3 x 6mm Phillips Pan Head screw
21. Remove the top and bottom screw from the front of the
chain guard
22. Position the RPM sensor as shown and reinstall the two
chain guard screws. The RPM sensor should be appx.
2-3mm away from the fl ywheel, or about the width of a
credit card.
If the RPM sensor is too close, it will rub against the sensor
magnet that is embedded in the fl ywheel. If the RPM sensor
is too far away, the sensor will intermittently pick up a sig-
nal from the magnet or will not pick up any signal at all; this
will cause an erratic RPM display, or no RPM display
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2.63 mm 2.63 mm