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In the cockpit,
- select the brake fans off and remove the
warning notices.
TMULDVV0B-T01 LEVEL 2
EFFECTIVITY 32-41-00 Page 4
Jul 31/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 32 LANDING GEAR
UF94200
EFFECTIVITY Page 344
ALL
WHEEL AND BRAKE REMOVAL/INSTALLATION
NLG WHEEL AND BRAKE REMOVAL/INSTALLATION
PREPARATION
Outside,
- make sure that the safety locks and wheel chocks
are in position on the landing gear.
In the cockpit,
- open, safety and tag the TPIS circuit breaker,
- put warning notices on the free fall and landing
gear control handles,
- select the parking brake OFF.
Outside again,
- put the jack in position,
- make sure that the dome correctly engages,
- lift the landing gear
- fully deflate the tire.
WHEEL REMOVAL
- Cut and remove the lock wire.
- Remove the 3 srews and washers and remove the
hubcap.
- Remove the grommet and disconnect the TPIS
sensor plug from the rotating transducer. Note
that the sensor has to be removed from the
wheel and refitted on the new wheel.
- Remove and discard the cotterpins.
- Remove the 2 locking nuts.
- Remove the axle nut with the torque adaptor.
- Install the properly greased protection tool.
- Remove the wheel.
- Attach a correctly filled-in label on it.
WHEEL INSTALLATION
- Install the protection tool if removed.
- Correctly grease the axle.
- Install the wheel.
- Remove the protection tool.
- Install the nut.
- Adjust the torque meter to the pre-torque value
and apply it to the nut while turning the wheel.
- Prevent the wheel from rotating and loosen the
nut.
- Adjust the torque meter to the correct value.
- Torque the nut.
- Tighten until the locking bolt holes are
aligned.
- Install the locking bolt with the head of the
screw facing the axle.
- Fit the washers and nuts.
- Safety the locking nuts with split pins.
- Connect the TPIS sensor to the rotating
transducer.
- Re-install the grommet.
- Put the hubcap in position.
- Install the 3 washers and screws.
- Safety the 3 srews with lockwire.
TMULDVV0B-T01 LEVEL 2
EFFECTIVITY 32-41-00 Page 5
Jul 31/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 32 LANDING GEAR
UF94200
EFFECTIVITY Page 345
ALL
WHEEL AND BRAKE REMOVAL/INSTALLATION
NLG WHEEL AND BRAKE REMOVAL/INSTALLATION (CONTINUED)
CLOSE-UP
Outside,
- make sure that the working area is clean,
- lower the gear, the tire pressure being
previously checked and ajusted,
- carefully remove the jack from the dome,
- put the chocks back in position.
In the cockpit,
- remove the tag and close the TPIS circuit
breaker,
- remove the safety warnings,
- select the WHEEL ECAM page,
- check the pressure for correct indication.
TMULDVV0B-T01 LEVEL 2
EFFECTIVITY 32-41-00 Page 6
Jul 31/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 32 LANDING GEAR
UF94200
EFFECTIVITY Page 346
ALL
32 - LANDING GEAR
32-00-00 CFDS SPECIFIC PAGE PRESENTATION
CONTENTS:
LGCIU 1
BSCU A
TPIS
TMULDGRZZ LEVEL 3
EFFECTIVITY 32-00-00 Page 1
Aug 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 32 LANDING GEAR
UF94200
EFFECTIVITY Page 347
ALL
CFDS SPECIFIC PAGE PRESENTATION
GENERAL
LGCIU 1 and LGCIU 2 have the same functions, thus only
LGCIU 1 is shown on the MCDU.
BSCU A and BSCU B have the same functions, thus only
BSCU A is shown on the MCDU.
The Tire Pressure Indicating System is provided as an
option.
On the SYSTEM REPORT/TEST L/G menu page, the "TPIS"
line is always displayed, even if this system is not
fitted on the aircraft.
LGCIU 1
LANDING GEAR SIMULATION
The landing gear simulation function is an aid for the
maintenance technicians during trouble shooting and
the maintenance tasks.
With this function it is not necessary to:
- lift the aircraft on jacks (to operate the
proximity sensors on the gear),
- operate the landing gear.
During the simulation of a landing gear configuration
the:
- BITE causes the LGCIU to supply output data
that agrees with the simulated configuration,
- ARINC 429 and discrete signals go to the
applicable interface systems.
Two examples have been chosen:
NOSE LANDING GEAR
　
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