Embraer ERJ-190 Series (GE CF34)
ATA 05
– ATA12
B1.1. and B2
AIRPLANE GENERAL
ISSUE 1, 24 Sep 2014
FOR TRAINING PURPOSES ONLY
Page:
120
FUEL TANK SERVICING
Fuel tank servicing can be performed using the following methods:
The fuel tanks can be refueled/ defueled by the use of the pressure
refueling/ defueling system, which automatically controls the entire
process and stops the refueling/ defueling process at the correct
quantity. Pressure refueling/ defueling is performed by the use of the
pressure fueling/ defueling adapter and the fuel control panel.
The fuel tanks can be refueled/ defueled by the use of gravity
refueling/ defueling. To accomplish this, the aircraft has two filler caps
on top of the wings. Fuel tank draining for removal of water or other
contamination can be carried out by using the drain valves installed at
the lowest part of the inboard tanks. The fuel measuring stick
assemblies located on each wing lower surface provide a visual
indication of the total fuel quantity on each wing. They are used if no
electrical power is available to the aircraft or if there is a malfunction
of the fuel quantity indicating system. Please note that you must refer
to the procedures outlined in the applicable manuals to perform these
tasks!
AMM References:
12-11-01-650-801 Fuel Tank - Pressure Refueling
12-11-01-650-802 Fuel Tank - Pressure Defueling
12-11-03-650-801 Fuel Tank - Gravity Refueling
12-11-05-680-801 Fuel Tank - Water Draining
12-11-05-680-802 Fuel Tank - Remaining Fuel Draining
12-11-07-200-801 Fuel Magnetic Level - Check
Safety Precaution Examples
Warning:
MAKE SURE THAT THE AIRCRAFT IS IN A SAFE CONDITION
BEFORE YOU DO THE MAINTENANCE PROCEDURES. THIS
IS TO PREVENT INJURY TO PERSONS AND/OR DAMAGE TO
THE EQUIPMENT.
Warning:
READ THE FUEL SYSTEM SAFETY PRECAUTIONS TO
PREVENT INJURY TO PERSONS AND DAMAGE TO
MATERIAL.
Caution:
DURING THE REFUELING PROCEDURE, LOOK AT THE
PRESSURE RELIEF VALVE AREA IN THE LEFT AND RIGHT
WING TANKS TO SEE IF THERE IS A FUEL OVERFLOW.
OVERFILLING CAUSES A FUEL OVERFLOW THROUGH THE
NACA AIR INLET AND PRESSURE RELIEF VALVE. IF AN
OVERFLOW OCCURS AND THE PRESSURE RELIEF VALVE
DOES NOT OPEN, DAMAGE TO THE AIRCRAFT STRUCTURE
CAN OCCUR.
Caution:
WHEN YOU FULLY DEFUEL THE TANK, YOU MUST STOP
WHEN THE INDICATION SHOWS 0. IN THIS SITUATION
THERE IS A SMALL QUANTITY OF FUEL IN THE TANK THAT
PREVENTS DAMAGE TO THE FUEL PUMP. DAMAGE TO THE
FUEL PUMP WILL OCCUR IF IT OPERATES WITH NO FUEL
(DRY OPERATION).
Caution:
IF YOU APPLY SUCTION DURING THE PROCEDURE, DO
NOT EXCEED THE MAXIMUM SUCTION PRESSURE OF 4
PSIG (0.3 BAR). IF YOU DO NOT OBEY THIS PRECAUTION,
DAMAGE TO THE EQUIPMENT CAN OCCUR.
