(2)
Open the access door 312AR.
Subtask 27-44-51-860-057
B. Aircraft Maintenance Configuration
(Ref. Fig. 401/TASK 27-44-51-991-001)
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES
_______ ARE CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
(1)
Pressurize the Green and the Yellow hydraulic systems (Ref. TASK 29-23-00-863-001) and (Ref. TASK 29-23-00-863-002).
(2)
Turn the pitch-trim control wheel in the flight compartment and put the THS actuator to the zero position.
(3)
Depressurize the Green and Yellow hydraulic systems and put them in the maintenance configuration (Ref. TASK 29-00-00-864-001).
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(4)
Make sure that the Blue hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(5)
Put the warning notices in position to tell persons not to pressurize the Green, the Yellow and the Blue hydraulic systems:
-in the cockpit on the hydraulic section 40VU of the overhead panel,
- on the ground service panels of the Green, the Yellow and the Blue hydraulic systems.
(6)
If hydraulic pressure is not available, use the manual drive input and move the THS actuator to the zero position.
(a)
Put the TOOL - MANUAL CRANKING STOP, THS ACTUATOR (0U145920) in position on the screw of the THS actuator.
(b)
Use the RELEASE TOOL - PRESSURE-OFF BRAKE, THS ACTUATOR (0U190844) and a 1/2 inch socket to position the THS actuator (Ref. TASK 27-44-51-710-001).
(7)
Put the warning notices in the flight compartment to tell persons not to operate the pitch controls.
(8)
Put the PIN - RIGGING (0U190360) in the mechanical input of the THS actuator.
(9)
Put the PITCH TRIM CONTROL LOCKING (98D27403500000) on the pitch-trim control wheel in the flight compartment.
Subtask 27-44-51-865-057
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FLIGHT CONTROLS/ELAC1/NORM/SPLY 15CE1 B11 49VU FLIGHT CONTROLS/THS/ACTR/MOT2 19CE2 B09 105VU FLT CTL/ELAC1/STBY SPLY 16CE1 A01 121VU FLIGHT CONTROLS/THS ACTR/MOT3 19CE3 Q17 121VU FLIGHT CONTROLS/THS ACTR/MOT1 19CE1 Q16
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4. Procedure
_________
(Ref. Fig. 408/TASK 27-44-51-991-016) Subtask 27-44-51-020-053
A. Removal of the Lower Claw Stop
(1)
Make sure that there is a mark for the correct location of the claw stop (112) and the screw (110). If there is no mark use a marker to mark the keys (118) in relation to the claw stop (112) and to the screw (110).
(2)
Release the tabwasher (116) and remove the nut (117) with the SPECIAL WRENCH (0U145409).
(3)
Remove the tabwasher (116) and the springwasher (115) from the fail safe tie-bar (111).
(4)
Discard the tabwasher (116).
(5)
Remove and discard the lockwire from the screws (114).
(6)
Remove the screws (114), the washers (113) and the lower claw stop (112).
(7)
If necessary, remove the two keys (118) with the studs (119).
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Lower Claw Stop Figure 408/TASK 27-44-51-991-016
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TASK 27-44-51-400-003
Installation of the Lower Claw Stop
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 : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
_______
CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
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