4. Procedure
_________
R **ON A/C 001-049, 101-149, 151-199, 201-299, 301-399, 401-499,
Subtask 32-41-00-210-058
A. Check of the Pressure
WARNING : USE ONLY DRY NITROGEN OR OTHER INERT GASES TO INFLATE THE TIRES
_______ ON THE MAIN GEAR WHEELS. THE OXYGEN IN THE GAS USED TO INFLATE THESE TIRES MUST NOT BE MORE THAN 5% (VOLUME). IF THE AIRCRAFT IS FAR FROM ITS BASE AND NO DRY NITROGEN IS AVAILABLE, YOU CAN USE AIR FOR THE SERVICING OF THE TIRES IF:
-THE OXYGEN IN THE TIRES IS NOT MORE THAN 5% (VOLUME) OR
-MAINTENANCE PERSONNEL REMOVE THE AIR FROM THE TIRES AND INFLATE THEM WITH DRY NITROGEN BEFORE 15 HOURS TIME SERVICE. A CHEMICAL REACTION BETWEEN THE OXYGEN IN THE TIRES AND GASES FROM THE INNER LINER CAN CAUSE A TIRE EXPLOSION.
(1)
Before the first flight of the day, with the aircraft on its wheels:
-make sure that the pressure of the tires is correct.To do this, use:
-a pressure gage or
-the Tire Pressure Indicating System (TPIS) if installed: .make sure that this circuit breaker 1GV is closed. .energize the electrical circuit (Ref. TASK 24-41-00-861-002). .on the ECAM control panel, push the WHEEL key: on the lower ECAM display unit, the WHEEL page comes into view showing the pressure of the tires.
(2)
At route stations: make sure that the tires on each landing gear have the same deflection (flatness). If you think that the deflection of one or two tires is not correct, do a check of the pressure of all the tires of the aircraft.
NOTE : If possible, do the check when the tires are cold.
____ If it is necessary to do the check when the tires are hot:
-the pressure in the tires will be higher than the nominal value
-you must not deflate a hot tire.
1EFF : ALL 1 32-41-00Page 631 1 1 Aug 01/05 1 1 1CES 1
(a) Record the pressure of all the tires on a same landing gear. Record the pressure of the tire with the highest pressure.
NOTE : The pressure of all the tires must be in the same range.____
- If all the pressures are approximately the same, and higher than the specified operating pressure, no other steps are necessary. - If a tire has a pressure that is ten per cent below the highest pressure on that landing gear, inflate the tire to the value of the tire with the highest pressure. - Make an entry in the logbook. - If there is an entry in the logbook for this tire, replace the tire (Ref. TASK 32-41-11-000-006) (Ref. TASK 32-41-11-400-006) (Ref. TASK 32-41-12-000-001) (Ref. TASK 32-41-12-400-001). - If necessary, replace the adjacent tire (refer to the pressure table). If the pressure of a hot tire is less than or equal to the pressure specified for a cold tire, this tire is defective (it has a leak or a hole): - replace the tire and send it for a check (Ref. TASK 32-41-11-000-006) (Ref. TASK 32-41-11-400-006) (Ref. TASK 32-41-12-000-001) (Ref. TASK 32-41-12-400-001).
R **ON A/C 051-099,
R Subtask 32-41-00-210-058-A
R A. Check of the Pressure
R R R R R R R R R R R R WARNING : USE ONLY DRY NITROGEN OR OTHER INERT GASES TO INFLATE THE TIRES_______ ON THE MAIN GEAR WHEELS. THE OXYGEN IN THE GAS USED TO INFLATE THESE TIRES MUST NOT BE MORE THAN 5% (VOLUME). IF THE AIRCRAFT IS FAR FROM ITS BASE AND NO DRY NITROGEN IS AVAILABLE, YOU CAN USE AIR FOR THE SERVICING OF THE TIRES IF: - THE OXYGEN IN THE TIRES IS NOT MORE THAN 5% (VOLUME) OR - MAINTENANCE PERSONNEL REMOVE THE AIR FROM THE TIRES AND INFLATE THEM WITH DRY NITROGEN BEFORE 15 HOURS TIME SERVICE. A CHEMICAL REACTION BETWEEN THE OXYGEN IN THE TIRES AND GASES FROM THE INNER LINER CAN CAUSE A TIRE EXPLOSION.
R 1EFF : ALL 1 32-41-00Page 632 1 1 May 01/05 1 1 1CES 1
R (1) Before the first flight of the day, with the aircraft on its wheels:
R - make sure that the pressure of the tires is correct . To do this,
R use:
R - a pressure gage or
R - the Tire Pressure Indicating System (TPIS) if installed:
R . make sure that this circuit breaker 1GV is closed.
R . energize the electrical circuit (Ref. TASK 24-41-00-861-002).
R . on the ECAM control panel, push the WHEEL key: on the lower ECAM
R display unit, the WHEEL page comes into view showing the pressure
R of the tires.
R (2) At route stations:
R - make sure that the tires on each landing gear have the same
R deflection (flatness). If you think that the deflection of one or
R two tires is not correct, do a check of the pressure of all the
R tires of the aircraft.
R
R NOTE : If possible, do the check when the tires are cold.____
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