(d)
Remove the blanking plugs from the ports of the PCU (1).
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(e)
Connect the seal drain line (10) and attach it with the new tie wrap (9).
(f)
Connect the case drain line (8).
(g)
TORQUE the union nut of the case drain line (8) to between 1.5 and 1.7 m.daN (11.06 and 12.53 lbf.ft).
(h)
Connect the hydraulic lines (11).
(i)
TORQUE the union nuts of the hydraulic lines (11) to between 5.4 and 5.9 m.daN (39.82 and 43.51 lbf.ft).
(10) Connect the electrical connector (22):
(a)
Remove the blanking cap from the electrical connector (22).
(b)
Remove the blanking cap from the receptacle.
(c)
Make sure that the electrical connectors are clean and in the correct condition.
(d)
Connect the electrical connector (22) to the valve block assembly (23).
Subtask 27-54-53-860-053
C. Preparation for the Test
(1)
Remove the rigging pins from the left and right flap track positions
1.
(2)
Pressurize the reservoirs of the Green and the Yellow hydraulic systems (Ref. TASK 29-14-00-614-002).
(3)
Make sure that the level of the fluid in the relevant hydraulic reservoir is correct. Add fluid as necessary (Ref. TASK 12-12-29-611-001) or (Ref. TASK 12-12-29-611-002).
(4)
Remove the LOCKING TOOL - FLAP/SLAT CONTROL LEVER (Ref. TASK 27-00-00-080-002) from the slat/flap control lever.
(5)
Remove the warning notice(s).
(6)
Make sure that the work area is clean and clear of tool(s) and other items.
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Subtask 27-54-53-865-052
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 6CV, 8CV
Subtask 27-54-53-710-050
E. Test
(1)
Do the operational test of the flap system (Ref. TASK 27-54-00-710-001).
(2)
Make sure that there are no leaks and that no fluid comes out of the seal drain line.
5. Close-up
________ Subtask 27-54-53-860-055
A. Put the aircraft back to the serviceable condition.
(1)
Make sure that the level of the fluid in the relevant hydraulic reservoir is correct. Add fluid as necessary (Ref. TASK 12-12-29-611-001) or (Ref. TASK 12-12-29-611-002).
(2)
Remove the container from below the PCU (1).
(3) Remove the access platform(s). Subtask 27-54-53-410-050
B. Close the main doors of the main gear (Ref. TASK 32-12-00-410-001).
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TASK 27-54-53-000-002
Removal of the Solenoid Valves of the Power Control Unit (Flap)
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.
NOTE : The removal procedure for the retract solenoid valve of the valve block
____ 23CV is specified. The removal procedure for the extend solenoid valve, the brake solenoid valve and the solenoid valves of the valve block 24CV are almost the same. If there are differences in the procedures, they are specified.
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 notice
No specific access platform 2.20 m (7 ft. 3 in.)
No specific container 5.0 l (1.3208 USgal)
98D27803000000 1 LOCKING TOOL - FLAP/SLAT CONTROL LEVER
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B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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