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AMM 31-32-00-869-002 Procedure for Class 3 Faults Reading R AMM 32-41-11-400-006 Installation of the MLG Wheel R (2649GM,2650GM,2651GM,2652GM) R AMM 32-42-11-000-001 Removal of the Brake Selector Valve 23GG R AMM 32-42-11-400-001 Installation of the Brake Selector Valve 23GG
 3. Fault Confirmation
__________________
 A. Test
R  Read the CLASS 3 FAULTS report of the two BSCU Systems (Ref. AMM TASK 31-32-00-869-002).
 4. Fault Isolation
_______________
R A. If the CLASS 3 FAULTS report gives two BRK NORM SERVOVALVE maintenance
R messages on one side at the same time or four BRK NORM SERVOVALVE
R maintenance messages on the two sides at the same time:
R - replace the SEL VALVE-BRK (23GG) (Ref. AMM TASK 32-42-11-000-001) (Ref.
R AMM TASK 32-42-11-400-001).

R (1) If the fault continues or if the CLASS 3 FAULTS report gives no
R maintenance messages:

R (a) Do an inspection of the four tachometer driving mechanisms and
R make sure that:
R - The tachometer drive shaft moves freely.
R - There is no deformation (twisting) and/or sign of friction on
R the drive shaft.
R - The splines of the tachometer drive shaft are in the correct
R condition.
R - The splines of the tachometer hubcap or the splines of the
R debris guard (if brakes fans are installed) are in the correct
R condition.

 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞32-42-00∞∞∞∞∞∞∞∞∞∞Page A211
 Feb 01/05 CESR (b) Replace the damaged parts as necessary and make sure that the R splines of the tachometer are coated with grease before final R assembly (Ref. AMM TASK 32-41-11-400-006).

R B. After the subsequent flight, make sure that the fault does not continue.

R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,

 TASK 32-42-00-810-921
 Difference of Temperature between the two Brakes on a Same Gear
 1. Possible Causes
_______________
 - BRAKE-WHEEL 2 (2641GM)

 - BRAKE-WHEEL 4 (2642GM)

 - BRAKE-WHEEL 1 (2643GM)

 - BRAKE-WHEEL 3 (2644GM)

 - SAFETY VALVE-NORM BRK, WHEEL 2 (2616GM)

 - SAFETY VALVE-NORM BRK, WHEEL 3 (2617GM)

 - SAFETY VALVE-NORM BRK, WHEEL 1 (2618GM)

 - SAFETY VALVE-NORM BRK, WHEEL 4 (2619GM)

 - SAFETY VALVE-ALTN BRK, WHEEL 4 (2621GM)

 - SAFETY VALVE-ALTN BRK, WHEEL 2 (2622GM)

 - SAFETY VALVE-ALTN BRK, WHEEL 3 (2623GM)

 - SAFETY VALVE-ALTN BRK, WHEEL 1 (2620GM)

 - PRESS XDCR-NORM BRK WHEEL 1 (11GG)

 - PRESS XDCR-NORM BRK WHEEL 3 (12GG)

 - PRESS XDCR-NORM BRK WHEEL 2 (13GG)

 - PRESS XDCR-NORM BRK WHEEL 4 (14GG)

 - message related to the braking system

 - drive assy-tachometer

 - TACHOMETER

 - NORMAL SERVO-VALVE

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 32-42-00-870-001 Bleeding of the Normal Braking at the Brake Units AMM 32-42-21-000-001 Removal of the Normal-Brake Pressure Transducer AMM 32-42-21-400-001 Installation of the Normal-Brake Pressure Transducer AMM 32-42-27-000-001 Removal of the Brake (2641GM,2642GM,2643GM,2644GM) AMM 32-42-27-210-006 Inspection/Check of the Brake with the Wheel Removed AMM 32-42-27-400-001 Installation of the Brake
 (2641GM,2642GM,2643GM,2644GM)
 AMM 32-42-36-000-001 Removal of the Normal Brake Safety-Valve
 2618GM(2617GM), 2616GM(2619GM)
 AMM 32-42-36-400-001 Installation of the Normal Brake Safety-Valve

 2618GM(2617GM), 2616GM(2619GM)
 AMM 32-42-48-000-001 Removal of the Normal Brake Servovalve
 AMM 32-42-48-400-001 Installation of the Normal Brake Servovalve
 AMM 32-42-57-000-001 Removal of the Tachometer

 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 051-099, 101-149, 151-199, ∞∞32-42-00∞∞∞∞∞∞∞∞∞∞Page A213
 201-299, 401-499, Aug 01/05 CES

 -------------------------------------------------------------------------------
REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 32-42-57-400-001 Installation of the Tachometer
 AMM 32-42-68-000-003 Removal of the MLG Tachometer-Drive
 AMM 32-42-68-400-003 Installation of the MLG Tachometer-Drive
　
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