B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
21-52-22-000-001 Removal of the Fan Plenum Chamber 10HM5 (11HM5). 27-00-00-480-002 Installation of the Flap/Slat Control-Lever Locking
Tool (98D27803000000) 27-80-00-866-005 Retracting the Slats on the Ground 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action 27-84-41-991-001 Fig. 401
3. Job Set-up
__________
Subtask 27-84-41-866-050
A. Retraction of the Slats
(1)
Retract the slats to the 0 degree position (Ref. TASK 27-80-00-866-005).
(2)
Install the LOCKING TOOL - FLAP/SLAT CONTROL LEVER (98D27803000000) (Ref. TASK 27-00-00-480-002) on the slat/flap control lever.
Subtask 27-84-41-865-050
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 5CV B06 121VU FLIGHT CONTROLS/SLT/CTL/SYS2 7CV R21
Subtask 27-84-41-860-050
C. Aircraft Maintenance Configuration
(1)
Put the access platform in position.
(2)
Make sure that the Green and Blue hydraulic systems are depressurized and put them in the maintenance configuration (Ref. TASK 29-00-00-864-001).
(3)
Put the warning notice in position to tell persons not to pressurize the hydraulic systems.
(4)
Install the LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT (98D27504030001) to lock the left slat transmission.
(5)
Install the LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT (98D27504030001) to lock the right slat transmission.
Subtask 27-84-41-010-050
D. Get Access
(1)
Remove the access panel 191KB.
(2)
Remove the heat exchanger unit 10HM4 together with the fan plenum chamber 10HM5 (Ref. TASK 21-52-22-000-001).
4. Procedure
_________
(Ref. Fig. 401/TASK 27-84-41-991-001) Subtask 27-84-41-020-050
A. Removal of the Bevel Gearbox
(1)
Disconnect the torque shaft 6004CM (13) as follows:
(a)
Remove the nuts (11) and the bolts (12) which connect the torque shaft (13) to the input universal joint (10) of the bevel gearbox (1).
(b)
Disconnect the torque shaft (13) from the input universal joint (10).
(c)
Remove the input universal joint (10) from the bevel gearbox (1).
(2)
Disconnect the torque shaft 6002CM (7) as follows:
(a)
Remove the nuts (5) and the bolts (6) which connect the torque shaft (7) to the input universal joint (4) of the bevel gearbox (1).
(b)
Disconnect the torque shaft (7) from the input universal joint (4).
(c)
Remove the input universal joint (4) from the bevel gearbox (1).
(3)
Hold the bevel gearbox (1) so that it can not fall.
(4)
Remove the bolts (16) and the washers (17) which attach the bevel gearbox (1) to the support bracket.
(5)
Remove the bevel gearbox (1).
19 Degree Bevel Gearbox
Figure 401/TASK 27-84-41-991-001
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TASK 27-84-41-400-001
Installation of the Bevel Gearbox 6003CM
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______ GEAR.
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
_______ CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______ START A TASK ON OR NEAR:
-
THE FLIGHT CONTROLS
-
THE FLIGHT CONTROL SURFACES
-
THE LANDING GEAR AND THE RELATED DOORS
-COMPONENTS THAT MOVE.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
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