Precor Precision 400 Series Service Manual page 172

4. Remove the mounting bolt and nut that fastens the stairarm pivot block to the stair-
arm.
5. Slide the stairarm off the stairarm pivot block.
6. Roll the stairarm rearward out of the back of the ramp.
Installation
7. Insert the stairarm wheel into and up the ramp track.
8. Slide the stairarm onto the stairarm pivot block. Ensure that the polymer sleeved bush-
ings are installed in the pivot block mounting bolt holes. Insert the mounting bolt from
the bottom and thread the nut from the top of the pivot block.
Fully tighten and torque the stairarm pivot block mounting bolt to 15 ft-lbs (20.3 Nm).
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
6 Available Replacement Procedures
Stairarm Assembly Replacement
Page 164