MDE-4334C Atlas Start-up and Service Manual · April 2008
Page 7-35
Meters
Hydraulic/Mechanical Components
LC Meters
LC meters are used in Atlas Ultra-Hi Master or Ultra-Hi Combo series units 9X50 and
9X50TW3.
Figure 7-19: LC Meter and Pulser Assembly
Pulser
Meter Inlet
Meter Discharge
Service Tips
• Remove and replace meters using metric tools.
• Place an approved pan under the meter during repairs to collect the residual fuel.
• Inspect all gaskets during off-unit repairs. Replace meters as needed.
• Some meter bolts are difficult to access. A 13 mm universal socket makes installation and
removal easier.
• For calibration procedures, refer to
LC Meter Calibration Adjustment for Ultra-Hi Models
• Non-use of strainers can significantly reduce meter life.
• Meter failure may be indicated by a significant change in calibration from high to low
flow rate, excessive calibration spread, or meter stall at low flow.
Note: Other problems may also cause the same symptoms.
• After replacing a meter, always purge the system of air (see
on
) and recalibrate the unit.
• Calibration problems are not always caused by meters. Dispenser check valves and
leaking nozzles may also cause calibration problems.