C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
27-41-00-730-001 System Test of the THS Actuator Electrical Control 27-44-51-210-004 Check the Oil Level of the Gearbox of the THS-Actuator 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action 27-44-57-991-001 Fig. 401
3. Job Set-up
__________
Subtask 27-44-57-860-053
A. Aircraft Maintenance Configuration
(1)
Make sure that the Green and the Yellow hydraulic systems are depressurized and put them in the maintenance configuration (Ref. TASK 29-00-00-864-001).
(2)
Make sure that the warning notices are in position.
(3)
Make sure that the THS actuator (1) is in the zero position.
(4)
Make sure that the PIN - RIGGING (0U190360) is in the mechanical input of the THS actuator (1).
(5)
Make sure that the access platform is in position.
(6)
Make sure that the the access door 312AR is open.
Subtask 27-44-57-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------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
1EFF : ALL 1 27-44-57Page 406 1 1 Aug 01/01R 1 1 1CES 1
4. Procedure
_________
(Ref. Fig. 401/TASK 27-44-57-991-001) Subtask 27-44-57-910-050
A. Preparation for the Installation
WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL
_______ MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
(1)
Clean the interface of the THS actuator (1) and the pitch trim actuator (2) with CLEANING AGENTS (Material No. 11-002) and let it dry.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Make sure that the parts retained from the removed component are clean and in the correct condition.
(4)
Make sure that the electrical connectors are clean and in the correct condition.
Subtask 27-44-57-420-050
B. Installation of the Pitch Trim Actuator (PTA) CAUTION : ALIGN THE INPUT SHAFT SPLINES OF THE THS-ACTUATOR WITH THE
_______
DRIVING GEAR SPLINES OF THE PTA.
THIS WILL PREVENT DAMAGE TO THE PTA.
(1)
Put the pitch trim actuator (2) in position at the THS actuator (1).
(2)
Make sure that the splines of the pitch trim actuator (2) align with the splines of the THS actuator (1).
(3)
If necessary, turn the mechanical input of the THS actuator to align the splines.
(4)
Install the screws (11) and the washers (12) to attach the pitch trim
actuator (2) at the THS actuator (1).
(5)
TORQUE the screws (11) to between 0.76 and 0.94 m.daN (67.25 and
83.18 lbf.in) and safety them with lockwire 0.6 mm (0.024 in.).
(6)
Remove the blanking caps and connect the electrical connectors (3),(4),(5),(6) to the receptacles (7),(8),(9),(10).
Subtask 27-44-57-860-054
C. Preparation for the Test
(1)
Make sure that the THS actuator 9CE has the correct quantity of oil (Ref. TASK 27-44-51-210-004).
(2)
Remove the PIN - RIGGING (0U190360) from the mechanical input of the THS actuator 9CE.
(3)
Make sure that the travel range of the THS actuator 9CE and the control surfaces are free.
Subtask 27-44-57-865-052
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