C842, C842i, C846, C846i Upright and Recumbent Cycle
Page 18
Procedure 5.1 - Primary Drive Belt Adjustment
1. For C842, C842i, C846i or 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 right hand cover per Procedure 7.1.
4. Attach a drive belt tension gauge (Precor part # 20030-108 or equivalent) to the upper span
of the primary drive belt. The gauge should read approximately 60 pounds. If the reading is
incorrect, continue with step 4.
Diagram 5.1 - Primary Belt Tensioning (C846 version 1)
5. Loosen the adjustment bolt only enough to allow the adjustment bracket to pivot. The
square hole in the adjustment bracket is made to fit a 1/2” drive socket wrench.
6. Insert a 1/2” drive socket wrench into the square hole and loosen or tighten the adjustment
bracket as require until the drive belt gauge reads 90 pounds. Maintain the belt tension and
tighten the adjustment bolt.
Primary
Drive Belt
Square
Hole
Adjustment
Bolt
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