Manual No. 016-0159-822 Rev E 49
PREVENTATIVE MAINTENANCE AND TROUBLESHOOTING
7
6. Turn ON the Master switch and pump exactly 10 gallons [38 liters] of water. The TOTAL VOLUME readout is the
new METER CAL number. This number should be within +/- 3% of the calibration number stamped on the tag
of the flow meter.
7. Zero out the TOTAL VOLUME value and repeat the procedure several times to verify the accuracy of the new
METER CAL value.
8. Verify the flow meter calibration.
a. Fill the tank with a predetermined amount of measured liquid (e.g., 250 gallons).
IMPORTANT: Do not rely on the graduation numbers molded into the applicator tank - measure the liquid.
b. Empty the tank under normal operating conditions.
c. Check the TANK VOLUME value. If the number displayed is different from the predetermined amount of
measured liquid by more than +/- 3%, perform the following calculation:
FOR EXAMPLE:
9. Enter the adjusted METER CAL value before resuming application.
SPEED SENSOR CABLES
TESTING SPEED SENSOR EXTENSION CABLES
1. Disconnect the extension cable from the speed sensor assembly cable.
METER CAL x TOTAL VOLUME =
Adjusted METER CAL
value
Predetermined amount of measured liquid
METER CAL Value = 720 [190]
TOTAL VOLUME Value = 260 [984]
Predetermined amount of measured liquid = 250 [946]
720 x 260 = 749 (English)
250
[190] x [984] = 198 (metric)
[946]
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