C842, C842i, C846, C846i Upright and Recumbent Cycle
Page 68
Procedure 7.14 - Replacing the Primary Drive Belt
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 right hand cover per Procedure 7.1.
4. Loosen both idler bracket mounting bolts and release the tension from the primary drive
belt. Remove the primary drive belt.
Diagram 7.22 - Primary Drive Belt, C846 version 1
5. Set the replacement primary drive belt in it’s mounting position as shown in Diagram 7.22.
Snug but do not tighten the upper idler bracket mounting bolt. Attach a drive belt tension
gauge (Precor part # 20030-108 or equivalent) to the upper span of the primary drive belt.
Insert a 1/2” drive socket wrench into the square hole shown in Diagram 7.22. Rotate the
drive bracket clockwise until the tension gauge reads 90 pounds. Torque both idler bracket
mounting bolts to 350 in/lbs.
6. Check the cycle’s operation per Section 4.
Primary
Drive Belt
Square
Hole
Adjustment
Bolt
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