C842, C842i, C846, C846i Upright and Recumbent Cycle
Page 20
Procedure 5.2 - Secondary Drive Belt Adjustment
1. For C842, C842i, C846i and C846 version 2 units, skip to step 8. For C846 version 1 units,
continue with step 2.
2. Set the on/off switch in the “off” position.
3. Remove the left side cover per Procedure 7.1.
4. Attach a drive belt gauge (Precor part # 20030-108 or equivalent) to the upper span of the
secondary drive belt. The gauge should read approximately 60 pounds. If the drive belt
gauge reading is incorrect, continue with step 4.
Diagram 5.3 - Secondary Belt Tensioning (C846 version 1)
5. Loosen the upper alternator adjustment nut only enough to allow the alternator will pivot.
Rotate the alternator to loosen or tighten the secondary drive belt as required.
6. Rotate the alternator until the drive belt gauge reads 60 pounds. Maintain the tension on the
secondary drive belt and tighten the adjustment bolt.
Secondary Drive Belt
Upper Alternator
Adjustment Bolt
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