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B. Referenced Information
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REFERENCE DESIGNATION
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24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action 32-00-00-481-001 Installation of the Safety Devices on the Landing Gears 32-00-00-860-001 Flight Configuration Precautions with Electrical Power 32-00-00-860-002 Ground Configuration after Flight Configuration with Electrical Power 32-41-11-000-006 Removal of the MLG Wheel (2649GM,2650GM,2651GM,2652GM) 32-41-11-400-006 Installation of the MLG Wheel
(2649GM,2650GM,2651GM,2652GM) 32-42-27-000-001 Removal of the Brake (2641GM,2642GM,2643GM,2644GM) 32-42-27-400-001 Installation of the Brake
(2641GM,2642GM,2643GM,2644GM)
32-42-71-000-001 Removal of the MLG Axle Adaptor-Sleeves
32-42-71-400-001 Installation of the MLG Axle Adaptor-Sleeves
R 32-48-51-000-005 Removal of the Fan Assy (7GS,8GS,9GS,10GS)
R 32-48-51-400-005 Installation of the Fan Assy (7GS,8GS,9GS,10GS) 32-11-00-991-022-A Fig. 606
3. Job Set-up
__________
Subtask 32-11-00-941-075
A. Safety Precautions
(1)
Make sure that the ground safety locks are installed on the landing gear (Ref. TASK 32-00-00-481-001).
(2)
On the panel 400VU:
-make sure that the landing-gear control-lever 6GA is in the DOWN position
-put a warning notice in position to tell persons not to operate the landing gear.
(3)
Make sure that the Green and Yellow hydraulic systems are depressurized (Ref. TASK 29-00-00-864-001).
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(4) Put warning notices in position to tell persons not to operate the landing gear doors.
(5) Put the safety barriers in position.
Subtask 32-11-00-869-057
B. Flight Configuration Precautions
(1)
If the electrical power is not necessary for other maintenance tasks, de-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
(2)
If the electrical power is necessary, do the precautions for flight configuration (Ref. TASK 32-00-00-860-001) before you lift the aircraft.
**ON A/C 001-049, 101-149, 151-199, 201-299,
Subtask 32-11-00-010-065
C. Get Access
(1)
Remove the MLG wheels (Ref. TASK 32-41-11-000-006).
(2)
Remove the MLG brakes (Ref. TASK 32-42-27-000-001).
(3) Remove the MLG axle adaptor sleeves (Ref. TASK 32-42-71-000-001). R **ON A/C 051-099, 301-399, 401-499,
Subtask 32-11-00-010-065-A
C. Get Access
(1)
Remove the MLG brake fans (Ref. TASK 32-48-51-000-005).
(2)
Remove the MLG wheels (Ref. TASK 32-41-11-000-006).
(3)
Remove the MLG brakes (Ref. TASK 32-42-27-000-001).
(4)
Remove the MLG axle adaptor sleeves (Ref. TASK 32-42-71-000-001).
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4. Procedure
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(Ref. Fig. 606/TASK 32-11-00-991-022-A)
Subtask 32-11-00-210-072-A
A. Visual Inspection of the MLG Axle Lands
(1)
Examine the MLG axles for overheating.
(2)
Examine the axle lands for discoloration and/or deterioration of the chrome finish.
(3)
Examine the axle adaptor sleeves for:
-scoring of the internal surface
- overheating/discoloration.
Subtask 32-11-00-220-064
B. Detailed Inspection of the MLG Axle Lands
(1)
Measure the out-of-roundness of the axle lands T. The axle lands T must be round within 40 microns (1600 micro-inches).
(2)
Measure the out-of-roundness of the axle lands S. The axle lands S must be round within 63 microns (2500 micro-inches).
5. Close-up
________ R **ON A/C 001-049, 101-149, 151-199, 201-299,
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