(2)
Put the warning notices in the cockpit to tell persons not to pressurize the hydraulic systems.
(3)
Put a warning notice in position to tell persons not to operate the flight controls.
Subtask 27-51-51-860-051
B. Aircraft Maintenance Configuration
(1)
Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
(2)
Extend the flaps fully (Ref. TASK 27-50-00-866-008).
(3)
Install the LOCKING TOOL - FLAP/SLAT CONTROL LEVER on the flap/slat control lever.
1EFF : ALL 1 27-51-51Page 422 1 1 Aug 01/99R 1 1 1CES 1
Solenoid valve - Flap WTB Figure 402/TASK 27-51-51-991-002
1EFF : 1 1R 1CES ALL 1 11 1 27-51-51 Page 423 May 01/98
(4) Remove the safety collar from the circuit breakers 10CV and 12CV.
Subtask 27-51-51-865-053
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
R 49VU FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1 6CV B07 121VU FLIGHT CONTROLS/WTB/FLP/SYS2 12CV P20 121VU FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2 8CV Q21 122VU FLIGHT CONTROLS/WTB/FLP/SYS1 10CV S07
Subtask 27-51-51-864-053
D. Depressurize the Hydraulic Systems
(1)
Depressurize the applicable hydraulic systems:
-
FOR 33CV depressurize the Yellow and the Blue hydraulic systems (Ref. TASK 29-10-00-864-002) (Ref. TASK 29-10-00-864-003)
-
FOR 34CV depressurize the Green and the Blue hydraulic systems (Ref. TASK 29-10-00-864-001) (Ref. TASK 29-10-00-864-003).
(2)
Depressurize the applicable hydraulic reservoirs (Ref. TASK 29-14-00-614-001):
-
FOR 33CV depressurize the Yellow and the Blue hydraulic reservoirs
-
FOR 34CV depressurize the Green and the Blue hydraulic reservoirs.
Subtask 27-51-51-010-053
E. Get Access
(1)
Put the access platform in position:
-
for the left wing, below zone 580
-
for the right wing, below zone 680.
(2)
Remove the access panels:
FOR 33CV
remove 575DB, 575EB
FOR 34CV
remove 675DB, 675EB.
(3) Put the No. 3 spoiler into the 'M' (Maintenance) position (Ref. TASK 27-60-00-866-002).
(4) Put the COLLAR-SAFETY, SPOILER on the piston rod of the servo-control.
4. Procedure_________
(Ref. Fig. 402/TASK 27-51-51-991-002)
R R R R R R 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 27-51-51-020-051
A. Removal of the Solenoid Valve
(1) Remove the screws (9).
(2) Use one of the screws (9) in the hole (8) to help you to remove the solenoid valve (7).
(3) Remove the screw (9) from the hole (8).
(4) Remove and discard the O-rings (1), (3), (5) and (6), and the back-up rings (2) and (4).
(5) Put blanking plugs on the disconnected line ends.
TASK 27-51-51-400-002
Installation of the Solenoid Valves of the Flap Wing-Tip Brake (WTB)
WARNING : MAKE SURE THAT THE FLIGHT CONTROL SAFETY-LOCKS AND THE WARNING
_______
NOTICES ARE IN POSITION.
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
GEAR.
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.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
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