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LEVEL INDICATORS. DO NOT TOUCH OR PUSH AGAINST
THEM WHEN YOU ARE IN THE FUEL TANK.
TMUFUEN01-T07 LEVEL 3
EFFECTIVITY 28-42-00 Page 14
May 31/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 274
ALL
FUEL QUANTITY INDICATING SYSTEM COMPONENTS - MANUAL MAGNETIC FUEL LEVEL INDICATOR
TMUFUEN01-P07 LEVEL 3
EFFECTIVITY 28-42-00 Page 15
May 31/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 275
ALL
FUEL QUANTITY INDICATING SYSTEM COMPONENTS
ATTITUDE MONITOR
IDENTIFICATION
FIN: 39QM
LOCATION
ZONE: 192
COMPONENT DESCRIPTION
ATTITUDE MONITOR is a circular level with graduated
surface. Each square of the grid is equal to .5 deg
of change of attitude. The position of the bubble in
relation to the grid indicates the aircraft attitude.
TMUFUEN01-T08 LEVEL 3
EFFECTIVITY 28-42-00 Page 16
May 31/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 276
ALL
FUEL QUANTITY INDICATING SYSTEM COMPONENTS - ATTITUDE MONITOR
TMUFUEN01-P08 LEVEL 3
EFFECTIVITY 28-42-00 Page 17
May 31/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 277
ALL
THIS PAGE INTENTIONALLY LEFT BLANK
TMUFUEN01 LEVEL 3
EFFECTIVITY 28-42-00 Page 18
May 31/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 278
ALL
28 - FUEL SYSTEM
28-46-00 FUEL LEVEL SENSING COMPONENTS
CONTENTS:
High Level Sensor
Low Level Sensor
Full Level Sensor
Underfull Level Sensor
Overflow Sensor
Wing Tank Temperature Sensor
Fuel Level Sensing Control Unit
IDG Shut-off Sensor
TMUFUEO01 LEVEL 3
EFFECTIVITY 28-46-00 Page 1
Jul 31/98
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 279
ALL
FUEL LEVEL SENSING COMPONENTS
DESCRIPTION:
All sensors are similar in construction. The level
sensor contains a thermistor and a fast blow fuse.
The temperature sensors contain a platinium wire
resistor and a fast blow fuse.
OPERATION:
When the sensing thermistor is exposed to air, its
temperature raises by the applied current. When it is
immersed, the high thermal conductivity of the fuel
in comparison with air, causes the thermistor
temperature to fall.
TMUFUEO01-T01 LEVEL 3
EFFECTIVITY 28-46-00 Page 2
Jul 31/98
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 280
ALL
FUEL LEVEL SENSING COMPONENTS
TMUFUEO01-P01 LEVEL 3
EFFECTIVITY 28-46-00 Page 3
Jul 31/98
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 281
ALL
FUEL LEVEL SENSING COMPONENTS
HIGH LEVEL SENSOR
IDENTIFICATION
FIN: 17QJ1, 17QJ2, 20QJ
LOCATION
ZONE: 540, 640, 141, 142
COMPONENT DESCRIPTION
When immersed in fuel each High Level sensor signals
its associated tank refuel valve to shut.
LOW LEVEL SENSOR
IDENTIFICATION
FIN: 15QJ1, 16QJ1, 15QJ2, 16QJ2, 21QJ, 22QJ
LOCATION
ZONE: 540, 640, 141, 142
COMPONENT DESCRIPTION
Depending on their installation the low level sensors
control respectively center tank pumps or Outer cell
Transfer valves operation and LO LEVEL ECAM warning.
TMUFUEO01-T02 LEVEL 3
EFFECTIVITY 28-46-00 Page 4
Jul 31/98
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 282
ALL
FUEL LEVEL SENSING COMPONENTS - HIGHT LEVEL SENSOR - LOW LEVEL SENSOR
TMUFUEO01-P02 LEVEL 3
EFFECTIVITY 28-46-00 Page 5
Jul 31/98
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 283
ALL
FUEL LEVEL SENSING COMPONENTS
FULL LEVEL SENSOR
IDENTIFICATION
FIN: 23QJ1, 23QJ2, 27QJ1, 27QJ2
LOCATION
ZONE: 540, 640
COMPONENT DESCRIPTION
The full level sensors monitor the IDG fuel cooling
operation.
UNDERFULL LEVEL SENSOR
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