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UF94200
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TMUPNEB02 LEVEL 3
EFFECTIVITY 36-10-00 Page 6
Aug 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 36 PNEUMATIC SYSTEM
UF94200
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36 - PNEUMATIC
36-20-00 PNEUMATIC SYSTEM WARNINGS
CONTENTS:
Engine 1 (2) Bleed Abnormal Pressure
Engine 1 (2) Bleed Low Temperature
X Bleed Fault
Engine 1 (2) HP Valve Fault
Bleed Monitoring Fault
Left (Right) Wing Leak Detection Fault
Eng 1 (2) Bleed Fault
Left (Right) Wing Leak
Engine 1 (2) Bleed Leak
Engine 1 (2) Bleed not closed
Bleed 1 (2) OFF
APU Bleed Fault
APU Bleed Leak.
TMUPNE502 LEVEL 3
EFFECTIVITY 36-20-00 Page 1
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_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 36 PNEUMATIC SYSTEM
UF94200
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PNEUMATIC SYSTEM WARNINGS
TMUPNE502-P01 LEVEL 3
EFFECTIVITY 36-20-00 Page 2
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_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 36 PNEUMATIC SYSTEM
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TMUPNE502-P02 LEVEL 3
PNEUMATIC SYSTEM WARNINGS
EFFECTIVITY 36-20-00 Page 3
Jun 30/94
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 36 PNEUMATIC SYSTEM
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_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 36 PNEUMATIC SYSTEM
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36 - PNEUMATIC SYSTEM
36-12-00 APU BLEED AIR SUPPLY / X-BLEED
SYSTEM
CONTENTS:
APU Bleed
X-Bleed System
HP Ground Connection
Self Examination
TMUPNEC01 LEVEL 3
EFFECTIVITY 36-12-00 Page 1
Oct 31/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
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APU BLEED AIR SUPPLY / X-BLEED SYSTEM
APU BLEED
The pneumatic system can be supplied by APU bleed air
through the APU bleed valve provided the APU is
running.
The APU bleed valve (GARRET) is electrically controlled
and pneumatically operated by a Solenoid.
It is springloaded closed in absence of air pressure.
NOTE: This valve is of the ON/OFF type.
The APU bleed valve (APIC) is electrically controlled
and fuel operated by a ServoValve.
The ECB monitors the fuel muscle pressure which closes
or opens the APU bleed valve.
X-BLEED SYSTEM
The X-BLEED valve permits the isolation or the
interconnection of the left and right bleed air
systems.
OPEN Manual control is used for:
- cross supply of the packs,
- engine crossbleed start (on ground only),
- engine bleed air failure in icing conditions
for wing anti-ice supply,
- ENG2 start from ground cart supply.
SHUT Manual control is used for closure of the valve.
The X-Bleed valve is an electrically controlled
shut-off valve.
The position of the valve is controlled by the X-BLEED
selector (SHUT or OPEN) on the overhead panel.
It is operated by two electrical motors:
- the primary motor is used for AUTO mode,
- the position of the valve is controlled by the
BMC according to APU bleed configuration,
- the secondary motor is used to override the
AUTO mode.
HP GROUND CONNECTION
The pneumatic system may be supplied by a ground cart.
The supply duct is located to the left of the cross
bleed valve.
Only the left-hand bleed system is supplied.
When the X-BLEED selector is in the OPEN position, the
ground air supply will be available to start ENG2.
TMUPNEC01-T01 LEVEL 3
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APU BLEED AIR SUPPLY / X-BLEED SYSTEM - APU BLEED
TMUPNEC01-P01 LEVEL 3
EFFECTIVITY 36-12-00 Page 3
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MECHANICS / ELECTRICS & AVIONICS COURSE 36 PNEUMATIC SYSTEM
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SELF EXAMINATION
With the X-BLEED selector at AUTO and air supplied
by ENG1 ONLY, the X-BLEED valve :
A - Does not receive any order.
B - Is automatically controlled to open.
C - Is controlled to close.
How does the GARRET APU Bleed valve operate ?
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