Precor AMT12 Base Service Manual page 138

Figure 231: Crank Arm Bolt Removal/ Installation
5 Replace the wave washer and flat belt pulley onto the crank arm shaft and secure with the snap ring.
Make sure the snap ring is fully seated into the shaft groove.
Figure 232: Crank Arm Flat Belt Pulley
6 Place the crank arm on the shaft and secure the crank arm with mounting bolt and washer. To
tighten the crank arm mounting bolt, insert a socket extension about twelve inches long or equivalent
in the drive input housing cavity, just below the crank arm to prevent rotation Remove the crank arm
bolt, washer and crank arm. Torque the mounting bolt to 300 inch pounds (25 ft-lbs) or 25 foot pounds.
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