Precor C354 Service Manual page 17

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5.
6.
C534, C534i Self Powered Elliptical Rtness Crosstrainerl
both bolts equal amounts. When the adjustment is complete the step up pulley shaft must
remain perpendicular to the frame and drive belt. Turning the adjustment bolts clockwise will
increase belt tension, turning the adjustment bolts counter-clockwise will decrease belt
tension.
Changing the tension of the input drive belt will also affect the tension of the generator belt.
If the input belt tension has been changed, continue with step 7.
Place a 20030-108 or equivalent belt gauge on the generator belt as shown in Diagram 5.4.
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Diagram 5.4 - Generator Belt Tension Measurement
Adjustment Nut
Jam Nut
7. The belt gauge should read 60 Ibs. If the generator belt tension is significantly high or low, it
may be adjusted using the adjustment bolt shown in Diagram 5.3. First loosen, but do not
remove the four generator mounting bolts and the jam nut. Hold the adjustment bolt head
with one wrench and turn the adjustment nut to change the belt tension. When the tension is
correct, tighten the jam nut. Tighten and torque the four generator mounting bolts to 150
inch pounds.
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