4
Manual No. 016-0171-391 33
Calibration and Operation
FIGURE 4. Calibration Sensor
7. Check the calibrator plunger on the injection pump.
The black ring on the plunger should stop within the “window” markings on the calibrator cover if the pump
calibration is successful. If the black ring stops slightly outside of the calibration window, the meter cal value
may be adjusted to compensate:
• If the plunger stops below the calibration window, increase the meter cal.
• If the plunger stops above the calibration window, decrease the meter cal.
The initial meter cal should be adjusted in increments of 1% from the default meter cal. If the meter cal must
be increased or decreased by more than 5% from the value printed on the pump housing, perform pump
maintenance procedures outlined in Chapter 6, System Maintenance. If the problem persists, see Chapter
7, Troubleshooting, for possible solutions to issues with the injection pump.
Calibration
Status LED
Calibration
Switch
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