R R THS Leading Edge Figure 001
1EFF : 1 1 1CES ALL 1 111 55-12-00 Page 2 Nov 01/98
LEADING EDGE - THS - REMOVAL/INSTALLATION
_________________________________________
TASK 55-12-11-000-001
Removal of the Horizontal Stabilizer Leading Edge
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS ARE CLEAR.
_______ MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE.
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. WARNING : WEAR AND ATTACH A SAFETY HARNESS WHEN YOU WORK ON HIGH SECTIONS. A
_______ FALL CAN INJURE OR KILL YOU.
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______ GEAR.
CAUTION : DO NOT CAUSE DAMAGE TO THE SURFACES. THE COMPONENTS ARE MADE OF
_______ CARBONFIBER REINFORCED PLASTIC.
1. Reason for the Job__________________
To get access to the front spar of the spar box.
To replace damaged leading edge sections.
2. Job Set-up Information______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s) No specific warning notice No specific warning notices No specific access platform 4.0 m (13 ft. 1 in.) 98D27903500000 2 PIN-SIDE STICK LOCKING
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
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29-10-00-864-001 Depressurize the Green Hydraulic System
29-10-00-864-002 Depressurize the Yellow Hydraulic System
29-10-00-864-003 Depressurize the Blue Hydraulic System
55-12-11-991-001 Fig. 401
R 55-12-11-991-006 Fig. 402
3. Job Set-up
__________
Subtask 55-12-11-860-050
A. Depressurize Hydraulic Systems
(1) Depressurize the Green, Yellow and Blue hydraulic systems (Ref. TASK 29-10-00-864-001) (Ref. TASK 29-10-00-864-002) (Ref. TASK 29-10-00-864-003).
Subtask 55-12-11-865-050
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FLIGHT CONTROLS/THS/ACTR/MOT2 19CE2 B09 121VU FLIGHT CONTROLS/THS ACTR/MOT3 19CE3 Q17 121VU FLIGHT CONTROLS/THS ACTR/MOT1 19CE1 Q16
Subtask 55-12-11-481-050
C. Install Locking Devices
(1) Install the PIN-SIDE STICK LOCKING in the CAPT and F/O side stick controllers.
Subtask 55-12-11-941-050
D. Safety Precautions
(1)
Put the warning notice in the flight compartment to tell persons not to operate the flight controls.
(2)
Put the warning notices in position to tell persons not to operate the hydraulic systems.
(3)
Put the access platform in position at zone 330 for the left hand horizontal stabilizer leading edge and/or zone 340 for the right hand horizontal stabilizer leading edge.
4. Procedure
_________ R (Ref. Fig. 401/TASK 55-12-11-991-001, 402/TASK 55-12-11-991-006) NOTE : Only the removal of the left hand leading edge is shown. The removal
____ of the right hand leading edge is the same. Identify all hardware for reinstallation.
Subtask 55-12-11-020-058
A. Removal of Leading Edge
(1)
Remove the inboard and the outboard leading edge (2) and (3).
(a)
Remove the screws (4), (5) and (6) from the leading edge sections
(2) and (3).
(b)
Remove the leading edge sections (2) and (3).
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