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EFFECTIVITY 32-00-00 Page 3
Apr 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 32 LANDING GEAR
UF94200
EFFECTIVITY Page 117
ALL
LANDING GEAR COMPONENTS
SAFETY VALVE
IDENTIFICATION
FIN: 49GA
LOCATION
ZONE: 148
DESCRIPTION
The safety valve is a single solenoid valve that
operates independently of the LGCIUs.
CUT-VIEW
Solenoid Energized:
When energized, the safety valve is open.
Solenoid De-energized:
When de-energized, the safety valve shuts off the
hydraulic pressure to the landing gear system when the
airspeed signal from ADIRU 1 and 3 is greater than
260 ±5 kts.
TMULD2I01-T02 LEVEL 3
EFFECTIVITY 32-00-00 Page 4
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_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 32 LANDING GEAR
UF94200
EFFECTIVITY Page 118
ALL
TMULD2I01-P02 LEVEL 3
LANDING GEAR COMPONENTS - LANDING GEAR SAFETY VALVE
EFFECTIVITY 32-00-00 Page 5
Apr 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 32 LANDING GEAR
UF94200
EFFECTIVITY Page 119
ALL
LANDING GEAR COMPONENTS
SELECTOR VALVE MANIFOLD
IDENTIFICATION
FIN: 2524GM
LOCATION
ZONE: 148
DESCRIPTION
The selector valve manifold assembly consists of:
- a manifold block, equipped with hydraulic pipe
connections, a restrictor valve and a check
valve,
- a landing gear selector valve,
- a landing gear door selector valve.
Each valve has two operating solenoids. Each solenoid
has two coil windings, one for each of the landing
gear control sub-systems.
Weight: 7,09 kg (15.62 lb).
HYDRAULIC FUSES
IDENTIFICATION
FIN: 2629GM, 2630GM
LOCATION
ZONE: 148
DESCRIPTION
Hydraulic fuses are installed in the open and close
lines between the nose landing gear door actuator and
the landing gear door selector valve. They close the
line in case of leakage downstream in case of a flow
rate equal to or greater than 11 l/mn (2.91 USgal/mn).
The hydraulic fuse is reset by depressurizing the green
system reservoir or by opening the bleed screw.
TMULD2I01-T03 LEVEL 3
EFFECTIVITY 32-00-00 Page 6
Apr 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 32 LANDING GEAR
UF94200
EFFECTIVITY Page 120
ALL
LANDING GEAR COMPONENTS - HYDRAULIC FUSES - SELECTOR VALVE MANIFOLD
TMULD2I01-P03 LEVEL 3
EFFECTIVITY 32-00-00 Page 7
Apr 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 32 LANDING GEAR
UF94200
EFFECTIVITY Page 121
ALL
LANDING GEAR COMPONENTS
MLG ACTUATING CYLINDER
IDENTIFICATION
FIN: 2503GM (LH), 2504GM (RH)
LOCATION
ZONE: 731 , 741
DESCRIPTION
Identical for left-hand and right-hand installation.
Weight: 29,8 kg (67.71 lb).
MLG UPLOCK BOX
IDENTIFICATION
FIN: 2509GM (LH), 2510GM (RH)
LOCATION
ZONE: 147, 148
DESCRIPTION
The uplock is hung in the same for both the left or
right-hand installations.
The same applies for the left-hand and right-hand
actuators.
Weight: 4,722 kg (10.412 lb).
TMULD2I01-T04 LEVEL 3
EFFECTIVITY 32-00-00 Page 8
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_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 32 LANDING GEAR
UF94200
EFFECTIVITY Page 122
ALL
LANDING GEAR COMPONENTS - MLG ACTUATING CYLINDER - MLG UPLOCK BOX
TMULD2I01-P04 LEVEL 3
EFFECTIVITY 32-00-00 Page 9
Apr 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 32 LANDING GEAR
UF94200
EFFECTIVITY Page 123
ALL
LANDING GEAR COMPONENTS
MLG DOOR ACTUATING CYLINDER
IDENTIFICATION
FIN: 2523GM (LH), 2522GM (RH)
LOCATION
ZONE: 147, 148
DESCRIPTION
The actuator is suitable for left-hand and right-hand
installations.
Weight: 6,601 kg (14.553 lb).
MLG DOOR UPLOCK BOX
IDENTIFICATION
FIN: 2521GM (LH), 2520GM (RH)
LOCATION
ZONE: 147, 148
DESCRIPTION
The uplock box is suitable for left-hand and right-hand
installations.
Weight: 4,38 kg (9.65 lb).
TMULD2I01-T05 LEVEL 3
EFFECTIVITY 32-00-00 Page 10
Apr 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 32 LANDING GEAR
UF94200
EFFECTIVITY Page 124
ALL
LANDING GEAR COMPONENTS - MLG DOOR ACTUATING CYLINDER - MLG DOOR UPLOCK BOX
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