3. Job Set-up
__________
(Ref. Fig. 405/TASK 27-14-51-991-006) Subtask 27-14-51-941-070
A. Safety Precautions
(1)
Make sure that the safety barriers are in position.
(2)
Make sure that there is a warning notice in the cockpit to tell persons not to pressurize the Green or the Blue hydraulic systems.
(3) Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002) Subtask 27-14-51-860-064
B. Aircraft Maintenance Configuration
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
(1)
Make sure that the Isolation Coupling of the Power Transfer Unit (PTU) is disconnected (Ref. TASK 29-23-00-860-001).
(2)
Make sure that the Green and the Blue hydraulic systems are depressurized (Ref. TASK 29-10-00-864-001) (Ref. TASK 29-10-00-864-003).
(3)
Make sure that the Green and the Blue hydraulic system reservoirs are depressurized (Ref. TASK 29-14-00-614-001).
(4)
Make sure that there is a container below the applicable aileron servo-control.
(5)
Make sure that the access platform is in position below the applicable zone 575(675).
(6)
Make sure that the applicable access panel is removed:
-
for the left wing, panel 575KB
-
for the right wing, panel 675KB.
Subtask 27-14-51-865-060
C. 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 105VU FLIGHT CONTROLS/ELAC2/STBY SPLY 16CE2 A02 105VU FLT CTL/ELAC1/STBY SPLY 16CE1 A01 121VU FLIGHT CONTROLS/ELAC2/NORM/SPLY 15CE2 R20
4. Procedure
_________
(Ref. Fig. 405/TASK 27-14-51-991-006)
CAUTION : BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING
_______
EDGE:
-
DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.
-
DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.
-MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.
Subtask 27-14-51-420-062
A. Preparation for 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)
Remove the protective cover from the aileron servo-control interface.
(2)
Clean the component interface and/or the adjacent area with a MISCELLANEOUS (Material No. 19-003) made moist with CLEANING AGENTS (Material No. 11-004).
(3)
Do an inspection of the component interface and/or the adjacent area.
(4)
Lubricate the new packings (1), the new packing (2) and the new packing (3) with COMMON GREASE (Material No. 04-015).
Subtask 27-14-51-420-053
B. Installation of the Aileron Servo-Control Solenoid Valve
(1)
Install the new packing (3) on the electrical connector (4).
(2)
Install the new packings (1) and the new packing (2) in the applicable openings in the solenoid valve (6).
(3)
Put the solenoid valve (6), complete with the packings (1) and (2), in position on the aileron servo-control and install the bolts (5).
(4)
TORQUE the bolts (5) to between 0.21 and 0.26 m.daN (18.58 and 23.00 lbf.in).
(5) Safety the bolts (5) with MISCELLANEOUS (Material No. 19-010). Subtask 27-14-51-860-065
C. Aircraft Maintenance Configuration
(1)
Connect the Isolation Coupling of the Power Transfer Unit (PTU) (Ref. TASK 29-23-00-860-002).
(2)
Remove the container from under the solenoid valve (6).
(3)
Make sure that the work area is clean and clear of tool(s) and other items.
Subtask 27-14-51-865-061
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 15CE1, 15CE2, 16CE1, 16CE2.
Subtask 27-14-51-710-053
E. Test
(1)
Do an operational test of the aileron (Ref. TASK 27-14-00-710-001).
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