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TMULDG101-T01 LEVEL 1
EFFECTIVITY 32-00-00 Page 2
Feb 29/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 32 LANDING GEAR
UF94200
EFFECTIVITY Page 2
ALL
LANDING GEAR GENERAL SYSTEM PRESENTATION
TMULDG101-P01 LEVEL 1
EFFECTIVITY 32-00-00 Page 3
Feb 29/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 32 LANDING GEAR
UF94200
EFFECTIVITY Page 3
ALL
LANDING GEAR GENERAL SYSTEM PRESENTATION
EXTENSION/RETRACTION
Gear and doors are electrically controlled and
hydraulically operated by the green hydraulic system.
The hydraulically operated doors open during landing
gear transit.
These doors close each time the landing gear is fully
extended or retracted.
The doors which are fitted to the landing gear struts
are mechanically operated by the gear and close at the
end of gear retraction.
BRAKES
Carbon multidisc brakes are installed on the main gear
wheels.
During take-off, the nose wheels are automatically
centered by means of two centering cams.
TMULDG101-T02 LEVEL 1
EFFECTIVITY 32-00-00 Page 4
Feb 29/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 32 LANDING GEAR
UF94200
EFFECTIVITY Page 4
ALL
LANDING GEAR GENERAL SYSTEM PRESENTATION
TMULDG101-P02 LEVEL 1
EFFECTIVITY 32-00-00 Page 5
Feb 29/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 32 LANDING GEAR
UF94200
EFFECTIVITY Page 5
ALL
LANDING GEAR GENERAL SYSTEM PRESENTATION
STEERING
The nose wheel steering system is electrically
controlled and is powered by the green hydraulic
system.
This enables an available powered steering over the
range of 74° below 22 knots.
In addition, the aircraft can be towed or pushed back
to a nose wheel angle of 95° from the aircraft
centerline after inserting a steering pin without any
mechanical disconnection.
TMULDG101-T03 LEVEL 1
EFFECTIVITY 32-00-00 Page 6
Feb 29/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 32 LANDING GEAR
UF94200
EFFECTIVITY Page 6
ALL
LANDING GEAR GENERAL SYSTEM PRESENTATION
TMULDG101-P03 LEVEL 1
EFFECTIVITY 32-00-00 Page 7
Feb 29/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 32 LANDING GEAR
UF94200
EFFECTIVITY Page 7
ALL
SELF EXAMINATION
Which hydraulic system powers normal landing gear
operation ?
A - Green system.
B - Blue system.
C - Yellow system.
Which hydraulic system powers the nose wheel
steering ?
A - Green system.
B - Blue system.
C - Yellow system.
TMULDG101 LEVEL 1
EFFECTIVITY 32-00-00 Page 8
Feb 29/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 32 LANDING GEAR
UF94200
EFFECTIVITY Page 8
ALL
32 - LANDING GEAR
32-00-00 GENERAL LANDING GEAR SYSTEM
CONTROLS AND INDICATING
PRESENTATION
CONTENTS:
Landing Gear Panel
Auto Brake Panel
A/SKID & N/W STRG Switch
Triple Indicator
Landing Gear Control Lever
Gravity Extension Crank Handle
Parking Brake Handle
ECAM System Display
Rudder Pedals
Nose Wheel Steering Handle
Brake Fan Control Panel
TMULD40ZZ LEVEL 1
EFFECTIVITY 32-00-00 Page 1
Oct 31/97
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 32 LANDING GEAR
UF94200
EFFECTIVITY Page 9
ALL
GENERAL LANDING GEAR SYSTEM CONTROLS AND INDICATING PRESENTATION
LANDING GEAR PANEL
Two indications are provided for each gear :
- a red "UNLK" light indicates that the
corresponding gear is not locked in the
selected position,
- a green triangle indicates that the related
gear is locked down.
AUTO BRAKE PANEL
The three auto brake pushbuttons (LO, MED, MAX) control
the arming of the required deceleration rate.
The "ON" light comes on blue when the related
pushbutton is selected and the system is armed.
The "DECEL" light comes on green when the correct
deceleration is reached.
A/SKID & N/W STRG SWITCH
The A/SKID & N/W STRG switch is normally in the "ON"
position and it is used to isolate anti-skid and nose
wheel steering functions.
When it is set to "OFF", the DC supply of the Braking
and Steering Control Unit (BSCU) is isolated.
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