(2x) using a 5 mm hex key, Retain part(s) and/or fastener(s) for installation.
3.
Remove the resistance shaft acorn nut and lock nut . Use one 17 mm wrench to
hold the acorn nut while using another 17 mm wrench to loosen the lock nut .
Then loosen and remove the acorn nut .
TIP: You may find it easier to tip the bike upright onto the handlebars to access and
remove the resistance shaft acorn nut.
4.
îTurn the resistance knob counterclockwise to expose the resistance shaft 21 mm
fastener nut . Then use a 21 mm wrench to remove the nut . Turn the resistance
knob counter-clockwise while lifting to remove the resistance shaft from the frame.
The following parts could fall from the bottom of the resistance shaft during removal: the
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
Page 46
5 Replacement Procedures
Resistance Knob Replacement
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