Precor C842 Service Manual page 67

Diagram 7.21 - Alternator Wiring
Alternator
White Wires
7. Set the new alternator/flywheel in it's mounting position, insert the upper and lower
mounting bolts and hand tighten.
8. Replace the secondary drive belt. Attach a drive belt tension gauge (Precor part #
20030-108 or equivalent) to the upper span of the secondary drive belt. Rotate the
alternator until the tension gauge reads 60 pounds ± 5 pounds. Maintain the belt tension and
tighten the upper alternator mounting bolt. Securely tighten the upper and lower mounting
bolts.
9. Replace the alternator wiring as shown in Diagram 7.21, torque the nuts the retain the
alternator's wiring to 12 in/lb.
10. Check the cycle's operation per Section 4.
11. Replace both covers per Procedure 7.1.
Note:
Should it be necessary to remove the flywheel from the alternator, torque the flywheel mounting
bolt to 200 inch-pounds after replacing the flywheel. The flywheel must be remounted on the
original flywheel because the flywheel and alternator are balanced as a pair. Do not inter-mix
flywheels and alternators.
C842, C842i, C846, C846i Upright and Recumbent Cycle
Red Wires
Black Wires
Page 67