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ENGINE AND APU COMPONENTS - ENGINE LP FUEL VALVE ACTUATOR
TMUFUEL01-P06 LEVEL 3
EFFECTIVITY 28-20-00 Page 13
Apr 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 163
ALL
ENGINE AND APU COMPONENTS
APU FUEL PRESSURE SWITCH
IDENTIFICATION
FIN: 7QC
LOCATION
ZONE: 141
COMPONENT DESCRIPTION
Pressure switch monitors APU pump inlet pressure:
21.7 psi: switch closure to start the pump
23.3 psi: switch opening to stop the pump.
TMUFUEL01-T07 LEVEL 3
EFFECTIVITY 28-20-00 Page 14
Apr 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 164
ALL
ENGINE AND APU COMPONENTS - APU FUEL PRESSURE SWITCH
TMUFUEL01-P07 LEVEL 3
EFFECTIVITY 28-20-00 Page 15
Apr 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 165
ALL
ENGINE AND APU COMPONENTS
APU FUEL PUMP
IDENTIFICATION
FIN: 4QC
LOCATION
ZONE: 141
COMPONENT DESCRIPTION
Four bolts secure the Pump element to the canister,
from which it can be withdrawn, leaving the canister
in-situ. A drain plug enables the pump element to be
drained before removal.
A security plate, held by 2 screws, prevents the pump
element being removed without having removed the drain
plug.
A thermal fuse, set at 175 °C ( 347 °F ), protects the
motor from overheat condition.
TMUFUEL01-T08 LEVEL 3
EFFECTIVITY 28-20-00 Page 16
Apr 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 166
ALL
ENGINE AND APU COMPONENTS - APU FUEL PUMP
TMUFUEL01-P08 LEVEL 3
EFFECTIVITY 28-20-00 Page 17
Apr 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 167
ALL
ENGINE AND APU COMPONENTS
APU FUEL PUMP CANISTER
IDENTIFICATION
FIN: 9QM
LOCATION
ZONE: 141
COMPONENT DESCRIPTION
The CANISTER is attached to the inside of the wing box
rear spar with 5 bolts. Three of these bolts are used
to secure a drain gutter to the outside of the rear
spar to collect any fuel leakage and divert it away
from the installation area.
TMUFUEL01-T09 LEVEL 3
EFFECTIVITY 28-20-00 Page 18
Apr 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 168
ALL
ENGINE AND APU COMPONENTS - APU FUEL PUMP CANISTER
TMUFUEL01-P09 LEVEL 3
EFFECTIVITY 28-20-00 Page 19
Apr 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 169
ALL
ENGINE AND APU COMPONENTS
APU FUEL LP VALVE
IDENTIFICATION
FIN: 14QM
LOCATION
ZONE: 147
TMUFUEL01-T10 LEVEL 3
EFFECTIVITY 28-20-00 Page 20
Apr 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 170
ALL
ENGINE AND APU COMPONENTS - APU FUEL LP VALVE
TMUFUEL01-P10 LEVEL 3
EFFECTIVITY 28-20-00 Page 21
Apr 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 171
ALL
ENGINE AND APU COMPONENTS
APU FUEL LP VALVE ACTUATOR
IDENTIFICATION
FIN: 3QF
LOCATION
ZONE: 147
COMPONENT DESCRIPTION
The actuator can be removed from the valve in-situ
without having to drain the system.
TMUFUEL01-T11 LEVEL 3
EFFECTIVITY 28-20-00 Page 22
Apr 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 172
ALL
ENGINE AND APU COMPONENTS - APU FUEL LP VALVE ACTUATOR
TMUFUEL01-P11 LEVEL 3
EFFECTIVITY 28-20-00 Page 23
Apr 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 173
ALL
THIS PAGE INTENTIONALLY LEFT BLANK
TMUFUEL01 LEVEL 3
EFFECTIVITY 28-20-00 Page 24
Apr 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
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