Precor C576i Service Manual page 53

9. Replace the crankarms per Procedure 7.7. The crankarms must be parallel to the frame
uprights. Refer to Diagram 7.10. If necessary loosen the four drive unit mounting bolts, align
the drive unit and torque the drive unit mounting bolts to 400 inch pounds.
10. Tension both belts per Procedure 5.2. Note the differences between tensioning a new belt
and a existing (used) belt.
11. Replace the left and right side rear covers.
C576i Self Powered Elliptical Fitness Crosstrainer
Page 53