MDE-4567D 9820K Series AST Pumps Installation and Operation Manual · January 2020
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Post Startup Tests
9820K Startup and Test
Each meter is equipped with a mechanism for calibration, located on the side of the meter. To
adjust the volume dispensed, proceed as follows:
1
Check the meter registration by delivering the product to a reliable, accurate, 50 or 100-gallon
prover can or a smaller can size approved by local Weights and Measures for the flow rate of
the unit.
2
Remove the seal wire from the seal pin (see
3
Remove the seal pin and turn the wheel to adjust measurement (see
• Turn clockwise to decrease the amount in the prover to match the display.
• Turn counter-clockwise to increase the amount in the prover to match the display.
Note: Moving the wheel one hole position changes the calibration by 2/3 cubic inch per 5
gallons (18.9 liters). To change by half of this amount, you may use the alternate seal
pin hole on the opposing side of the calibration wheel.
4
Repeat the process until the volume in prover can and the amount recorded are within
tolerance.
5
After calibration is complete, reinstall the seal pin and secure in place using a seal wire.
Figure 8-1: Index Disc