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Chapter 5: Maintenance 24 of 41
Belt Cross-Section
Small O.D. Range
Deflection Force, lbs/V-belt **
Run-in
Normal running
3VX
3.65 – 4.12,
4.50 – 5.60
6.4
7.5
5.7 – 4.4,
6.6 – 5.1
** The Deflection Force Value shown is for each belt and must be multiplied by the number
of V-belt elements if all are deflected.
Belt Replacement
NOTE: It is very important to replace all belts at the same time!
If the drive belts have to be replaced, follow the procedure from “Drive Belt
Tension” through Step 6. When the point is reached, release the belt from
tension by fully unscrewing the tie rods. Slip off the belts and replace them
with new ones. Continue with the procedure for adjusting the belt tension.
Removal and Replacement of the Screen
NOTE: A qualified operator/maintenance mechanic should carry out this procedure!
1. Switch the machine OFF and lock out power by turning the disconnect
switch or remove the fuses from the main control panel.
2. Open the front panel.
3. Remove the bin.
4. Remove the screw knob that holds the hopper on top of the cutting
chamber. Carefully lower the screen cradle assembly, resting it on the
base.
Deflection = Beltspan
______
64
Beltspan
Belt Deflection Gauge