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Return to Training Cessna C500 Fuel System Return to Training Main Fuel System Components 2 x ‘Wet Wing’ fuel tanks 2 x electric fuel pumps 2 x ejector.

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Presentation on theme: "Return to Training Cessna C500 Fuel System Return to Training Main Fuel System Components 2 x ‘Wet Wing’ fuel tanks 2 x electric fuel pumps 2 x ejector."— Presentation transcript:

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2 Return to Training Cessna C500 Fuel System

3 Return to Training Main Fuel System Components 2 x ‘Wet Wing’ fuel tanks 2 x electric fuel pumps 2 x ejector fuel pumps 2 x engine driven fuel pumps Crossfeed system 2 x Fuel Filters 2 x Firewall shut off valves

4 Return to Training Fuel System Limitations G-LOFT Fuel Capacity 3,806lb Anti-icing Additive to be used (Prist) Normal Fuel Used JET A1 Min Fuel Temp. (takeoff)-29ºC Max Fuel Temp. +48ºC Max Altitude 41,000ft Max Fuel Imbalance 800lbs

5 Return to Training AVGAS Limitations AVGAS is permitted under the following conditions Fuel temp. not to exceed 32º C Max OAT (takeoff) 32º C Boost Pumps are operating Hours are logged in engine logbook Max operating altitude 25,000ft

6 Return to Training In NORM Position Boost Pump will Operate Automatically: During Start Cycle During Crossfeed When Low Fuel Pressure Is Sensed In Engine Supply Line Fuel System Components THREE POSN. BOOST PUMP SWITCHES

7 Return to Training In OFF Position Boost Pump will Operate Automatically: During Start Cycle During Crossfeed In ON Position Boost Pump Will Operate Continuously Fuel System Components THREE POSN. BOOST PUMP SWITCHES

8 Return to Training Fuel System Components CROSSFEED SELECTOR SWITCH

9 Return to Training Fuel System Components FUEL QTY and FUEL FLOW Indicators

10 Return to Training FASTER Ejector pump Operation MOTIVE FLOW OUTPUT FUEL TANK LOW PRESSURE

11 Return to Training Component Layout Fuel System

12 Return to Training MANUAL SHUTOFF RH ENG FIRE PUSH LH ENG FIRE PUSH FUEL FILT BYPASS P L FUEL PRESS LO R FUEL PRESS LO P CROSSFEED VALVES IN TRANSIT OFF RH TANK LH TANK LH ENG RH ENG LH ENGINERH ENGINE LH TANK RH TANK ENGINE DRIVEN PUMP FUEL CONTROL FLOW TRANSMITTER OIL COOLER FLOW DIVIDER AUTO SHUTOFF SUMP BOOST PUMP PRIMARY EJECTOR PUMP MOTIVE FLOW SHUTOFF VALVE MOTIVE FLOW SHUTOFF VALVE MOTIVE FLOW LINE MOTIVE FLOW VALVE

13 Return to Training Fuel System Normal Engine Start (Left Engine)

14 Return to Training RH ENG FIRE PUSH LH ENG FIRE PUSH FUEL FILT BYPASS P L FUEL PRESS LO R FUEL PRESS LO P CROSSFEED VALVES IN TRANSIT OFF RH TANK LH TANK LH ENG RH ENG LH TANK RH TANK ENGINE DRIVEN PUMP FUEL CONTROL FLOW TRANSMITTER OIL COOLER FLOW DIVIDER AUTO SHUTOFF MOTIVE FLOW SHUTOFF VALVE RH ENGINE LH ENGINE MOTIVE FLOW VALVE MOTIVE FLOW LINE MANUAL SHUTOFF

15 Return to Training Fuel System Normal Operation (Both Engines Running)

16 Return to Training P FUEL FILT BYPASS RH ENG FIRE PUSH IN TRANSIT OFF RH TANK LH TANK LH ENG RH ENG L FUEL PRESS LO R FUEL PRESS LO LH ENG FIRE PUSH P CROSSFEED VALVES

17 Return to Training Fuel System Crossfeed (Left tank supplying both engines)

18 Return to Training P FUEL FILT BYPASS RH ENG FIRE PUSH IN TRANSIT OFF RH TANK LH TANK LH ENG RH ENG L FUEL PRESS LO R FUEL PRESS LO LH ENG FIRE PUSH P CROSSFEED VALVES

19 Return to Training P FUEL FILT BYPASS RH ENG FIRE PUSH IN TRANSIT OFF RH TANK LH TANK LH ENG RH ENG L FUEL PRESS LO R FUEL PRESS LO LH ENG FIRE PUSH P CROSSFEED VALVES IN TRANSIT

20 Return to Training Fuel Filter Blockage FUEL FLOW FUEL FILT BYPASS FUEL FILT BYPASS FUEL FLOW

21 Return to Training Questions

22 Return to Training 1 Concerning the fuel system, the correct statement is: A. The FUEL BOOST pump switches have to be on for engine start. B. With the FUEL BOOST pump switches off, the respective boost pump will automatically be energized whenever the respective START button is depressed, or when crossfeed from that tank is selected. C. It is normal for both fuel boost pumps to operate during crossfeed operation. D. The fuel boost pump will be automatically energized anytime the IGNITION switches are in NORM.

23 Return to Training 2 After engine start, the fuel boost pump is de-energized by: A. The FUEL BOOST pump switch B. Start circuit termination C. Discontinuing crossfeed D. A time-delay relay

24 Return to Training 3 Concerning the fuel system, the correct statement is: A. In the event of DC power loss, the primary ejector pump ceases to operate and the engine flames out. B. The respective engine should be shut down if the respective FUEL FILT BYPASS annunciator illuminates. C. The FUEL BOOST switches should be on for takeoff and landing. D. The fuel filters should be inspected prior to the next flight if the FUEL FILT BYPASS light illuminates.

25 Return to Training 4 If the L or R FUEL BOOST ON annunciators illuminate without any action by the crew (engine operating normally), the probable cause is: A. The engine-driven fuel pump has failed. B. The firewall shutoff valve has closed. C. The low-pressure sensing switch has energized the boost pump. D. The fuel flow compensator has energized the boost pump below 5 psi.

26 Return to Training 5 To verify that crossfeed is in fact occurring, it is necessary to: A. Monitor the FUEL QTY indicators for appropriate quantity changes. B. Only observe that the INTRANSIT light is out. C. Ensure both FUEL BOOST ON lights are illuminated. D. Ensure that the FUEL BOOST pump switch for the tank being fed is on.

27 Return to Training 6 When crossfeed is selected by positioning the crossfeed switch to LH TANK, and the green INTRANSIT light stays on: A. This is normal. B. The boost pumps did not actuate. C. One or both crossfeed valves did not fully close. D. One or both crossfeed valves did not fully open.

28 Return to Training 7 Operation of the primary ejector pump is directly dependent upon: A. DC electrical power B. High-pressure fuel from the engine-driven fuel pump C. AC electrical power supplied by the No. I or No. 2 inverter D. Flow from the transfer ejector pump

29 Return to Training 8 If the engine-driven fuel pump fails: A. The engine will flame out. B. The primary ejector pump will fail also, but the boost pump will be energized by low pressure and will sustain the engine. C. The transfer ejector pumps will also be inoperative. D. Crossfeed must be selected in order to obtain high-pressure motive flow from the opposite engine.

30 Return to Training 9 If crossfeed has been selected and normal DC electrical power is lost (system switch in EMER with a dual generator failure): A. The system will remain in crossfeed. B. The crossfeed valves will fail closed. C. Both boost pumps will be energized to terminate crossfeed. D. The motive-flow shutoff valve will fail open.


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