Precor TRM10/GEN06 Service Manual page 109

10 Tighten the right side drive roller bolt until it measures the same
distance as the left side drive roller, shaft to frame. This will
ensure that the drive roller is parallel and square to the front of
the frame.
11 Walk the drive belt onto the motor pulley by rotating the drive motor
flywheel. Be sure the belt is fully seated in the grooves of both
pulleys and correctly aligned.
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Figure 43: Measuring Point - Drive Shaft
Figure 44: Measuring Point Frame Cross Beam
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