CHAPTER 73
PAGE 18
MAINTENANCE MANUAL EXTRA 300SC
PAGE DATE: 12. February 2019
73-30-00
INDICATING
Fuel pressure is sensed on the EXTRA 300SC engine and is
indicated to the pilot in command.
Trouble Shooting
Trouble
Possible Cause
Remedy
No fuel pressure indication
Gauge defective
Replace gauge
Fuel pressure low
Orifice in engine fuel
pressure fitting defective
Clean fitting
Sense line leakage
Replace sense line
73-30-10
Fuel Pressure
The fuel pressure gauge is located in the instrument panel.
The instrument takes fuel pressure from the sense line (refer
to Figure 9).
Because the fuel flow to the engine cylinders is restricted,
there is a direct relation between fuel pressure and fuel flow.
This relation is shown on the Lycoming curve N° 13011 "Fuel
Flow vs. Nozzle Pressure". So the fuel pressure gauge indicates
fuel pressure but on a scale which is converted to fuel flow
values (generally the fuel flow value is more useful for the
pilot). The red line however shows a pressure value.
Содержание 300/SC
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Страница 113: ...CHAPTER 28 PAGE 22 MAINTENANCEMANUAL EXTRA300 SC PAGEDATE 12 February2019 Figure 9 Distribution...
Страница 115: ...CHAPTER 28 PAGE 24 MAINTENANCEMANUAL EXTRA300 SC PAGEDATE 12 February2019 Figure 10 Fuel Selector Valve and Control Rod...
Страница 122: ...CHAPTER 28 PAGE 31 MAINTENANCEMANUAL EXTRA300 SC PAGEDATE 12 February2019 Figure 14 Indicating...
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Страница 138: ...CHAPTER 32 PAGE 12 PAGEDATE 12 February2019 MAINTENANCEMANUALEXTRA300 SC Figure 6 Brake System...
Страница 182: ...MAINTNANCEMANUALEXTRA300 SC PAGEDATE 12 February2019 CHAPTER 53 PAGE 11 GENERAL Figure 7 Layer Sequence Side Cover...
Страница 183: ...MAINTNANCEMANUALEXTRA300 SC PAGEDATE 12 February2019 CHAPTER 53 PAGE 12 Figure 8 Layer Sequence Side Cover...
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