T B M
PILOT’S INFORMATION MANUAL 700
SECTION 7
DESCRIPTION
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Page 7.7.10
Rev. 5
MAIN BOOSTER PUMP
The main booster pump is attached to accessory gearbox and supplies fuel
necessary for engine operation.
ENGINE FUEL SYSTEM
The engine fuel system consists of a fuel regulator, pumps, filters, a fuel
divider and fuel nozzles. The system provides the fuel flow necessary to
satisfy the engine power and rating needs.
The fuel coming from airplane system goes through a heater which is
automatically controlled by a thermostatic valve.
FUEL GAGING INSTALLATION
Fuel gaging installation is a capacitive type and consists of a dual indicator
graduated in us gallons (Figure 7.7.3) and fuel level gages. Three fuel level
gages are installed in each tank. The wing root side fuel level gage is
equipped with a low level detector which leads to ”FUEL L. LO” or ”FUEL R.
LO” warning light illumination when usable fuel quantity remaining in the
concerned fuel tank is under about 9.1 us gal (34.6 Litres).
FUEL FLOW TOTALIZER
Located at the lower part of L.H. instrument panel, the fuel flow totalizer helps
the pilot to control fuel during one or several flights. Fuel flow totalizer
operation is described in manufacturer technical data.
CAUTION
THE FUEL FLOW TOTALIZER NEITHER REPLACES FUEL GAGES
NOR FUEL PRESSURE INDICATOR. THESE INSTRUMENTS SHALL
BE CONSULTED FIRST FOR FLIGHT MANAGEMENT.
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