Chapter 9
171
UM10350_PCNC770_Manual_0916A
Maintenance
WARNING! Moving Parts Hazard: Keep hands, feet, hair, and clothing away from moving parts.
Failure to do so could result in serious injury or death.
3. Ensure there are no tools in the spindle; start the spindle.
4. Inspect the value displayed on the front panel of the VFD; the recommended range is detailed
in the following table:
PCNC 1100 34-36 Hz (see Figure 9.10)
PCNC 770 17.5-18.5 Hz (see Figure 9.11)
5. If the value is outside of the
recommended range, use a small,
at-bladed screwdriver to adjust
the Trim Potenometer Screw on
the Machine Control Board (see
Figure 9.12) unl the value on the
front panel of the VFD displays
within range.
NOTE: If beer accuracy is needed, use a
tachometer to measure actual spindle speed.
Figure 9.12
Machine Control Board
Trim
Potentiometer
Screw
Figure 9.10
PCNC 1100 Frequency Range PCNC 770 Frequency Range
Figure 9.11
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