Electronics International CGR-30P - Manual (Page 4)

Important Notice
***** MUST READ *****
Page 3 of 4
the upper corners of the fuel tank. If this is the case with your sensor, the CGR may display fuel levels
lower than the actual fuel in the tanks when the tanks are full. When the fuel level drops to a point
where the fuel sensor starts to detect a change, the displayed fuel level should be accurate. Check the
Check the Check the Check the Check the
accuracy of your system by comparing the displayed fuel levels on the CGR to the fuel accuracy of your system by comparing the displayed fuel levels on the CGR to the fuel accuracy of your system by comparing the displayed fuel levels on the CGR to the fuel accuracy of your system by comparing the displayed fuel levels on the CGR to the fuel accuracy of your system by comparing the displayed fuel levels on the CGR to the fuel
levels listed in the flight manual at each fill up.
levels listed in the flight manual at each fill up. levels listed in the flight manual at each fill up. levels listed in the flight manual at each fill up. levels listed in the flight manual at each fill up.
3. Low Fuel Readings - 3. Low Fuel Readings - 3. Low Fuel Readings - 3. Low Fuel Readings - 3. Low Fuel Readings - Do not rely on the CGR to determine the fuel level in the tank Do not rely on the CGR to determine the fuel level in the tank Do not rely on the CGR to determine the fuel level in the tank Do not rely on the CGR to determine the fuel level in the tank Do not rely on the CGR to determine the fuel level in the tank
for an indicated tank level below 1/8 for an indicated tank level below 1/8 for an indicated tank level below 1/8 for an indicated tank level below 1/8 for an indicated tank level below 1/8. You should always fly the aircraft in such a manner as to
at least maintain the FAA minimum fuel requirements in the aircraft at all times. Depending on the
Depending on the Depending on the Depending on the Depending on the
mounting location and type of fuel sensor used, the CGR may not be able to accurately mounting location and type of fuel sensor used, the CGR may not be able to accurately mounting location and type of fuel sensor used, the CGR may not be able to accurately mounting location and type of fuel sensor used, the CGR may not be able to accurately mounting location and type of fuel sensor used, the CGR may not be able to accurately
measure the last few gallons of fuel in the tanks.
measure the last few gallons of fuel in the tanks. measure the last few gallons of fuel in the tanks. measure the last few gallons of fuel in the tanks. measure the last few gallons of fuel in the tanks.
4. Improper Calibration - 4. Improper Calibration - 4. Improper Calibration - 4. Improper Calibration - 4. Improper Calibration - If the CGR has not been properly calibrated, it will not display accurate
fuel levels in the tanks. It is important to verify the accuracy of the CGR. Always cross check your
Always cross check your Always cross check your Always cross check your Always cross check your
measured fuel levels in the tanks with the readings on the CGR before each flight. measured fuel levels in the tanks with the readings on the CGR before each flight. measured fuel levels in the tanks with the readings on the CGR before each flight. measured fuel levels in the tanks with the readings on the CGR before each flight. measured fuel levels in the tanks with the readings on the CGR before each flight.
5. Poor Connections - 5. Poor Connections - 5. Poor Connections - 5. Poor Connections - 5. Poor Connections - Poor connections between the wires leading from the EDC to the fuel
sensors can become intermittent with age. An intermittent connection most likely will show up as
wandering or inaccurate readings on the CGR. Always cross check your measured fuel levels
Always cross check your measured fuel levels Always cross check your measured fuel levels Always cross check your measured fuel levels Always cross check your measured fuel levels
in the tanks with the readings on the CGR before each flight. in the tanks with the readings on the CGR before each flight. in the tanks with the readings on the CGR before each flight. in the tanks with the readings on the CGR before each flight. in the tanks with the readings on the CGR before each flight.
6. Defective Fuel Level Sensors - 6. Defective Fuel Level Sensors - 6. Defective Fuel Level Sensors - 6. Defective Fuel Level Sensors - 6. Defective Fuel Level Sensors - Fuel sensors can become intermittent or change resistance
with age. It is not uncommon to find intermittent problems even in new resistive sensors. An intermit-
tent problem with a fuel sensor most likely will show up as wandering or inaccurate readings on the
CGR. Always cross check the measured fuel levels in the tanks with the readings on the
Always cross check the measured fuel levels in the tanks with the readings on the Always cross check the measured fuel levels in the tanks with the readings on the Always cross check the measured fuel levels in the tanks with the readings on the Always cross check the measured fuel levels in the tanks with the readings on the
CGR at each fill up. CGR at each fill up. CGR at each fill up. CGR at each fill up. CGR at each fill up.