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are in position,
- as well as the wheel chocks.
In the cockpit,
- open, safety and tag the TPIS and the brake
fans circuit breakers,
- put warning notices on the free fall control
handle and on the landing gear control lever,
- set the parking brake to OFF,
- make sure that the pressure is off and the brake
fan pushbutton is set to off.
Outside again,
- put the jack in position,
- make sure that the dome correctly engages,
- lift the landing gear.
WHEEL REMOVAL
- Fully deflate the tire if it must be changed.
- Remove the guard assembly attached by means of
6 screws.
- Remove the lock wire.
- Insert a tool to lock the impeller and unscrew
the nut.
- Remove the impeller.
- Remove the shroud fixed by 2 screws.
- Disconnect the TPIS sensor connector from the
rotating transformer. Note that the TPIS sensor
must be removed from the wheel if it is changed.
- Remove the "V" clamp and the shroud support.
- Discard the cotterpins, loosen and remove the
2 locking bolts.
- Loosen the wheel nut using the torque adaptor
and remove it.
- Install the propely greased protection tool.
- Using a specific tool, remove the wheel.
BRAKE REMOVAL
- Disconnect the self-sealing couplings.
- Disconnect the brake temperature sensor.
- Using an adaptor, loosen and remove the three
nuts and washers.
- The protective tool being installed on the
axle, remove the wheel.
TMULDVV0B-T01 LEVEL 2
EFFECTIVITY 32-41-00 Page 2
Jul 31/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 32 LANDING GEAR
UF94200
EFFECTIVITY Page 342
ALL
WHEEL AND BRAKE REMOVAL/INSTALLATION
MLG WHEEL AND BRAKE REMOVAL/INSTALLATION (CONTINUED)
BRAKE INSTALLATION
- Remove the protective tool, clean and grease
the axle.
- The protective tool being fitted, install the
brake unit.
- Make sure that the studs engage correctly on
the axle.
- Install the 3 washers and nuts.
- Adjust the torquemeter value and torque the 3
nuts.
- Connect the brake temperature sensor.
- Reconnect the self-sealing couplings.
- Remove the protection devices.
WHEEL INSTALLATION
- Make sure that the driving keys on the brake
rotor are correctly aligned.
- The axle protective tool being fitted, install
the wheel with the tool.
- Remove the protection device.
- Install the axle nut.
- Adjust the torque meter to the pre-torque value
and apply it to the nut while turning the wheel.
- Prevent the rotation of the wheel and loosen
the nut.
- Adjust the torque meter to the torque value.
- Torque the axle nut.
- Tighten it until the holes in the nut are
aligned with the holes in the axle.
- Install the locking nuts with the head of the
screws facing the axle.
- Fit the washers an the nuts.
- Tighten the nut.
- Safety the locking nuts with splitpins.
- Install the shroud support centered by a
centering pin and tighten the "V" clamp.
- Reconnect the TPIS sensor plug.
- Install the shroud with the 2 srews.
- Align the splined driving shaft with the
impeller.
- Install the impeller, prevent its rotation and
tighten the nut.
- Safety the nut with lockwire.
- Install the guard on the tachometer drive
shaft and fit it with the 4 screws.
TMULDVV0B-T01 LEVEL 2
EFFECTIVITY 32-41-00 Page 3
Jul 31/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 32 LANDING GEAR
UF94200
EFFECTIVITY Page 343
ALL
WHEEL AND BRAKE REMOVAL/INSTALLATION
MLG WHEEL AND BRAKE REMOVAL/INSTALLATION (CONTINUED)
CLOSE-UP
- Make sure that the area is clean. Lower the
landing gear, the tire pressure being
previously checked and adjusted.
- Carefully remove the jack from the landing gear
dome.
In the cockpit,
- remove the tags and close the circuit breakers,
- select the ECAM HYDraulic page,
- pressurize the green hydraulic system,
- press the braking pedals.
Outside,
- check the forward coupling for any leakage.
In the cockpit,
- apply the parking brake and check the pressure
on the triple gage indicator.
Outside,
- check the rear coupling for any leakage,
In the cockpit,
- depressurize the hydraulic systems,
- select the ECAM WHEEL page,
- check the brake temperature and tire pressure
for correct indication,
- select the brake fans ON.
Outside,
- check the brake fans for correct operation.
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