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Start-up Procedures Meter Calibration
Page 3-4 MDE-4334C Atlas Start-up and Service Manual · April 2008
Meter Calibration
Even though all units are calibrated at the factory, all units must be recalibrated, prior to their
use by customers. See
Hydraulic/Mechanical Components on page 7-1 for instructions on
calibrating units.
Note: Units must be purged properly prior to calibration or calibration verification.
Incomplete purging of air can result in inaccurate calibration or errors in calibration
verification testing. Improper purging can cause damage to meters and shorten their
life.
Gasboy Atlas (Gallon Unit of Measure)
Temporary pricing should have already been entered into the unit, as outlined in Purging Air
from the System on page 7-11 , to allow dispensing and calibration.
Current production Gasboy Atlas pumps/dispensers are pre-calibrated to US gallons
(calibration verification is still required) and programmed to default programming values.
They may be operated and purged in normal mode after entering prices. Purging can be done
for units eventually, to be converted to metric mode while the unit is in the gallon mode.