Calibrating Ep-10 Fuel Flow; Fuel Flow Accuracy; Refill Tank - Lowrance LMF-400 Installation And Operation Instructions Manual

Multi-function gauge
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standard fluid level gauges. If, however, the tank has an irregular
shape or greater accuracy is needed, calibration is recommended.
The default calibration for the EP-10 Fuel Flow and Suzuki Engine
Interface are adequate in most cases, but if Fuel Used readings are off
by more than 3 percent, calibration is recommended.

Calibrating EP-10 Fuel Flow

The default calibration for an EP-10 Fuel Flow is adequate in most
cases, but if fuel used readings are off by more than 3 percent,
calibration is recommended.

Fuel Flow Accuracy

To check fuel flow accuracy, add the Fuel Manager page or any of the
digital gauge pages to the page screen rotation, then customize the
selected page with Fuel Used data. To see instructions on how to Add
Pages and Customize Pages, refer to the Operation Section.
NOTE:
Make sure the fuel flow has been set as the Fuel Remaining Source,
otherwise, you will not be able to calibrate the fuel flow. See Fuel
Remaining Source instructions on page 28.
After filling up your tank, take your vessel out on the water and burn
at least five gallons of fuel. Be sure you run only ONE engine —
the engine attached to your fuel flow.
Fill up your tank again, noting how much fuel you added to the tank.
Compare that number to the Fuel Used figure displayed on the page
you customized. If the amount of fuel you added to the tank and the
fuel used figure are off by more than 3 percent, we recommend the fuel
flow be calibrated.
NOTE:
You must use the gauge's Refill Tank command when filling your
fuel tank to keep the fuel flow updated with correct information on
the amount of fuel in the tank.

Refill Tank

You must use the Refill Tank command every time you fill up and
every time you calibrate a fuel flow to make sure the fuel flow reads the
tank as full. For more information on the Refill Tank function see page
26.
To calibrate an EP-10 Fuel Flow:
Add the Fuel Manager page or any of the digital gauge pages to the
page screen rotation then customize the selected page with Fuel Used
data. To see instructions on how to Add Pages and Customize Pages,
refer to the Operation Section.
52

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