5. Close-up
________ Subtask 27-44-57-410-051
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the access door 312AR.
(3)
Remove the warning notice(s).
(4)
Remove the access platform(s).
1EFF : ALL 1 27-44-57Page 417 1 1 Feb 01/99R 1 1 1CES 1
TASK 27-44-57-000-003
Removal of the Motor Assemblies of the Pitch Trim Actuator
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.
R NOTE : The removal procedure for one of the motor assemblies is given. The
____ R removal procedure for all the motor assemblies is almost the same.
1. Reason for the Job
__________________
Self Explanatory
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 notices
No specific access platform 5.5 m (18 ft. 1 in.)
0U190360 1 PIN - RIGGING
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
27-44-57-000-001 Removal of the Pitch Trim Actuator from the THS Actuator 9CE 27-44-57-000-002 Removal of the Electronic Modules of the Pitch Trim
Actuator
29-10-00-864-001 Depressurize the Green Hydraulic System
29-10-00-864-002 Depressurize the Yellow Hydraulic System
27-44-57-991-003 Fig. 403
3. Job Set-up
__________
Subtask 27-44-57-010-052
A. Get Access
(1) Put the access platform in position.
(2) Open the access door 312AR.
Subtask 27-44-57-865-058
B. 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 R 105VU FLT CTL/ELAC1/STBY SPLY 16CE1 A01 R
121VU FLIGHT CONTROLS/THS ACTR/MOT3 19CE3 Q17
121VU FLIGHT CONTROLS/THS ACTR/MOT1 19CE1 Q16
Subtask 27-44-57-860-052
C. Aircraft Maintenance Configuration
(1)
Turn the pitch-trim control wheel in the cockpit and put the THS actuator to the zero position.
(2)
Put the PIN - RIGGING (0U190360) in the mechanical input of the THS actuator.
(3)
Put warning notices in the cockpit to tell persons not to operate the pitch controls.
(4)
Depressurize the Green and the Yellow hydraulic systems (Ref. TASK 29-10-00-864-001) (Ref. TASK 29-10-00-864-002).
(5)
Put warning notices in position to tell persons not to pressurize the Green and the Yellow hydraulic systems.
4. Procedure
_________
(Ref. Fig. 403/TASK 27-44-57-991-003) Subtask 27-44-57-020-052
A. Removal of the Motor Assembly
(1)
Remove the pitch trim actuator (PTA) (1) from the actuator of the trimmable horizontal stabiliser (THS) (Ref. TASK 27-44-57-000-001).
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