Precor Precision 400 Series Service Manual page 79

5. Walk the drive belt off the drive motor pulley. Remove the drive belt off the drive roller.
6. Measure the front of the drive roller to the edge of the dust shield "Drive Roller Align-
ment Distance". Record the measurement which will be required for installation.
IMPORTANT: Do NOT continue without recording the "Drive Roller Alignment
Distance" measurement.
7. Remove the drive roller mounting bolt and remove the drive roller. Retain part(s)
and/or fastener(s) for installation.
Installation
1. Slide the replacement Drive Roller through the running belt and into the frame mount-
ing brackets.
2. Center and square the running belt onto the Take-up and Drive rollers
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
6 Replacement Procedures
Drive Roller Replacement
Page 72